{"id":11686,"date":"2025-08-29T09:47:35","date_gmt":"2025-08-29T09:47:35","guid":{"rendered":"https:\/\/www.centre-ortho.ch\/lhomme-descend-il-vraiment-du-singe-le-point-sur-la-bipedie-originelle\/"},"modified":"2025-09-05T14:44:37","modified_gmt":"2025-09-05T14:44:37","slug":"does-man-really-descend-from-the-ape-the-point-on-original-bipedalism","status":"publish","type":"page","link":"https:\/\/www.centre-ortho.ch\/en\/does-man-really-descend-from-the-ape-the-point-on-original-bipedalism\/","title":{"rendered":"Is Man Really Descended from Apes? The Story of Original Bipedalism"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"11686\" class=\"elementor elementor-11686\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9a93e337 conteneur_vid_0 e-flex e-con-boxed e-con e-parent\" data-id=\"9a93e337\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7c2687a5 conteneur_ariane_vid_0 e-con-full e-flex e-con e-child\" data-id=\"7c2687a5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1fb01350 e-flex e-con-boxed e-con e-child\" data-id=\"1fb01350\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-acd68334 ariane_vid_0 elementor-widget elementor-widget-breadcrumbs\" data-id=\"acd68334\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Welcome<\/span><\/p><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-003d4572 video_vid_1 e-flex e-con-boxed e-con e-child\" data-id=\"003d4572\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b7fce0f3 video_vid_1 elementor-widget__width-inherit elementor-widget elementor-widget-video\" data-id=\"b7fce0f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/sZUVC4jMgJg&quot;,&quot;lazy_load&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-de2dfafb conteneur_principal_vid_0 e-flex e-con-boxed e-con e-parent\" data-id=\"de2dfafb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-14a9a3f1 e-con-full sticky-sidebar colonne_gauche_0 e-flex e-con e-child\" data-id=\"14a9a3f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-378f674f e-con-full e-flex e-con e-child\" data-id=\"378f674f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-39c08a2f elementor-widget elementor-widget-shortcode\" data-id=\"39c08a2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e6a7c085 e-con-full colonne_vid_0 e-flex e-con e-child\" data-id=\"e6a7c085\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91903198 colonne_vid_1 pv-tv-label aleft elementor-widget-icon-box wgl-icon-box wgl-view-default button-left elementor-widget elementor-widget-wgl-infobox\" data-id=\"91903198\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper wgl-layout-left\"><span class=\"media-wrapper icon-wrapper\"><span class=\"wgl-icon\" ><svg class=\"icon elementor-icon e-font-icon-svg e-fab-youtube\" aria-hidden=\"true\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M549.655 124.083c-6.281-23.65-24.787-42.276-48.284-48.597C458.781 64 288 64 288 64S117.22 64 74.629 75.486c-23.497 6.322-42.003 24.947-48.284 48.597-11.412 42.867-11.412 132.305-11.412 132.305s0 89.438 11.412 132.305c6.281 23.65 24.787 41.5 48.284 47.821C117.22 448 288 448 288 448s170.78 0 213.371-11.486c23.497-6.321 42.003-24.171 48.284-47.821 11.412-42.867 11.412-132.305 11.412-132.305s0-89.438-11.412-132.305zm-317.51 213.508V175.185l142.739 81.205-142.739 81.201z\"><\/path><\/svg><\/span><\/span><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h3 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-d587a21\">Video type:<\/span><\/span><\/h3><\/div><div class=\"wgl-button-wrapper\"><a  class=\"wgl-infobox_button wgl-button no_text no_media\"><div class=\"button__content\"><\/div><\/a><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6606b55d colonne_vid_2 pv-tv-value aleft button-left elementor-widget elementor-widget-wgl-infobox\" data-id=\"6606b55d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper\"><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h3 class=\"wgl-infobox_title\"><\/h3><\/div><div class=\"wgl-button-wrapper\"><a  class=\"wgl-infobox_button wgl-button  no_media\"><div class=\"button__content\"><span class=\"button__text\">Full medical interview<\/span><\/div><\/a><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bff18e15 e-con-full colonne_vid_0 e-flex e-con e-child\" data-id=\"bff18e15\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bba6b91b colonne_vid_1 aleft button-left elementor-widget elementor-widget-wgl-infobox\" data-id=\"bba6b91b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper\"><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h3 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-d587a21\">Anatomy:<\/span><\/span><\/h3><\/div><div class=\"wgl-button-wrapper\"><a  class=\"wgl-infobox_button wgl-button  no_media\"><div class=\"button__content\"><span class=\"button__text\">Foot; Hand; Pelvis; Skeleton<\/span><\/div><\/a><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fbeaf5ac colonne_vid_1 elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile aleft button-left elementor-widget elementor-widget-wgl-infobox\" data-id=\"fbeaf5ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper\"><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h3 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-d587a21\">Surgery:<\/span><\/span><\/h3><\/div><div class=\"wgl-button-wrapper\"><a  class=\"wgl-infobox_button wgl-button  no_media\"><div class=\"button__content\"><span class=\"button__text\">##Type_of_surgery##<\/span><\/div><\/a><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32622b34 colonne_vid_1 elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile aleft button-left elementor-widget elementor-widget-wgl-infobox\" data-id=\"32622b34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper\"><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h3 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-d587a21\">Pathology:<\/span><\/span><\/h3><\/div><div class=\"wgl-button-wrapper\"><a  class=\"wgl-infobox_button wgl-button  no_media\"><div class=\"button__content\"><span class=\"button__text\">Functional foot disorders; Joint overload; Growth imbalance<\/span><\/div><\/a><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f255ae8d colonne_vid_1 aleft button-left elementor-widget elementor-widget-wgl-infobox\" data-id=\"f255ae8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper\"><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h3 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-d587a21\">Thematic:<\/span><\/span><\/h3><\/div><div class=\"wgl-button-wrapper\"><a  class=\"wgl-infobox_button wgl-button  no_media\"><div class=\"button__content\"><span class=\"button__text\">Anatomy and Evolution<\/span><\/div><\/a><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e149923e e-con-full colonne_vid_0 pv-cta-card e-flex e-con e-child\" data-id=\"e149923e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-467735b5 conteneur_spec_vid_6 elementor-widget__width-inherit aleft elementor-widget-icon-box wgl-icon-box elementor-widget elementor-widget-wgl-button\" data-id=\"467735b5\" data-element_type=\"widget\" data-e-type=\"widget\" style=\"\" data-widget_type=\"wgl-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"wgl-button  align-icon-left\" href=\"\/en\/consultation\/\" role=\"button\"><div class=\"button__content\"><span class=\"media-wrapper icon-wrapper\"><span class=\"wgl-icon\" ><svg class=\"icon elementor-icon e-font-icon-svg e-fas-calendar-day\" aria-hidden=\"true\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 464c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V192H0v272zm64-192c0-8.8 7.2-16 16-16h96c8.8 0 16 7.2 16 16v96c0 8.8-7.2 16-16 16H80c-8.8 0-16-7.2-16-16v-96zM400 64h-48V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v48H160V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v48H48C21.5 64 0 85.5 0 112v48h448v-48c0-26.5-21.5-48-48-48z\"><\/path><\/svg><\/span><\/span><span class=\"button__text\">Consultations<\/span><\/div><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a5757652 e-con-full e-flex e-con e-child\" data-id=\"a5757652\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3542fdaa elementor-widget elementor-widget-shortcode\" data-id=\"3542fdaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7db8306 e-con-full conteneur_droit_vid_0 e-flex e-con e-child\" data-id=\"d7db8306\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ec20e9b5 e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"ec20e9b5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40e11fd4 titre_vid_1 elementor-widget elementor-widget-heading\" data-id=\"40e11fd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Is Man Really Descended from Apes? The Story of Original Bipedalism<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cce7b28d paragraphe_vid_1 elementor-widget elementor-widget-text-editor\" data-id=\"cce7b28d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In this fascinating discussion, Dr. Jacques Vallotton speaks with anthropologist Yvette Deloison about the origins of bipedalism and the anatomical discoveries that challenge conventional paradigms of human evolution. A well-reasoned scientific reflection based on the study of the foot, footprints, and fossils.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-86c9b24c e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"86c9b24c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c656f65a tabs_vid_1 tabs-full-width-yes elementor-widget elementor-widget-wgl-tabs\" data-id=\"c656f65a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-tabs wgl-tabs_swiper-wrapper tabs_align-justify\">\n            <div class=\"wgl-tabs_headings-wrap swiper\">\n                <div class=\"wgl-tabs_headings swiper-wrapper\"><h4 data-tab-id=\"wgl-tab_3321\" class=\"wgl-tabs_header swiper-slide\">\n                    <span class=\"wgl-tabs_title\">Doctors<\/span>\n\n                    \n                <\/h4><h4 data-tab-id=\"wgl-tab_3322\" class=\"wgl-tabs_header swiper-slide\">\n                    <span class=\"wgl-tabs_title\">Topics<\/span>\n\n                    \n                <\/h4><h4 data-tab-id=\"wgl-tab_3323\" class=\"wgl-tabs_header swiper-slide\">\n                    <span class=\"wgl-tabs_title\">Treatments<\/span>\n\n                    \n                <\/h4><h4 data-tab-id=\"wgl-tab_3324\" class=\"wgl-tabs_header swiper-slide\">\n                    <span class=\"wgl-tabs_title\">Advice<\/span>\n\n                    \n                <\/h4><\/div>\n        <\/div>\n\n        <div class=\"wgl-tabs_content-wrap\">                <div data-tab-id=\"wgl-tab_3321\" class=\"wgl-tabs_content\">\n                    <ul class=\"vireon_dot list_primary_color\"><li>Dr. Jacques Vallotton; Dr. Yvette Deloison<\/li><\/ul>                <\/div>\n\n                            <div data-tab-id=\"wgl-tab_3322\" class=\"wgl-tabs_content\">\n                    <ul class=\"vireon_dot list_primary_color\"><li>Interview with Yvette Deloison <\/li><li> Origin of bipedalism <\/li><li> Studies of footprints and fossils <\/li><li> Comparative anatomy of the foot <\/li><li> Limits of fossilization <\/li><\/ul>                <\/div>\n\n                            <div data-tab-id=\"wgl-tab_3323\" class=\"wgl-tabs_content\">\n                    <ul class=\"vireon_check_circle list_primary_color\"><\/ul>                <\/div>\n\n                            <div data-tab-id=\"wgl-tab_3324\" class=\"wgl-tabs_content\">\n                    <ul class=\"vireon_check list_primary_color\"><li>reason without prejudice <\/li><li> compare bone structures <\/li><li> observe the footprints <\/li><li> understand the evolution of the foot <\/li><li> consider the aquatic origin<\/li><\/ul>                <\/div>\n\n                    <\/div>\n        <\/div><!-- .wgl-tabs -->\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae16d7de elementor-widget elementor-widget-shortcode\" data-id=\"ae16d7de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aded4840 e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"aded4840\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a6497812 titre_vid_2 elementor-widget elementor-widget-heading\" data-id=\"a6497812\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why talk about bipedalism on an orthopedics website?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ea6fee9 elementor-widget elementor-widget-text-editor\" data-id=\"6ea6fee9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Understanding the evolution of the foot and locomotion sheds light on everyday practice: the human foot is built for strict bipedalism, with a plantar arch and a stride line close to the median axis. This specificity conditions hip-knee-ankle alignment and economy of movement. Current pain and dysfunctions can be understood in light of this evolutionary architecture.<br><br>A detour through the science of prints and comparative anatomy helps us to reason our diagnostic and therapeutic choices.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9ed36bdc e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"9ed36bdc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef4c7083 titre_vid_2 elementor-widget elementor-widget-heading\" data-id=\"ef4c7083\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Footprints, Bones, and Comparison: What the Facts Say<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a312e66f elementor-widget elementor-widget-text-editor\" data-id=\"a312e66f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Fossil footprints attributed to ancient bipeds show narrow steps along the line of progression and aligned toes, contrasting with the prehensile feet of great apes. On the skeletal level, the human calcaneus is straightened forward and contributes to the arch of the foot, a sign of effective plantigrade support. Conversely, some old interpretations have been corrected after anatomical re-examination, recalling the need for caution in the attribution of fossils.<br><br>These landmarks help to understand the functional singularity of the human foot.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-909e92a5 e-con-full conteneur_citation_vid_0 e-flex e-con e-child\" data-id=\"909e92a5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df71f261 conteneur_citation_vid_1 aleft elementor-widget-icon-box wgl-icon-box wgl-view-default elementor-widget elementor-widget-wgl-infobox\" data-id=\"df71f261\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper wgl-layout-left\"><span class=\"media-wrapper icon-wrapper\"><span class=\"wgl-icon\" ><svg class=\"icon elementor-icon e-font-icon-svg e-fas-quote-left\" aria-hidden=\"true\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M464 256h-80v-64c0-35.3 28.7-64 64-64h8c13.3 0 24-10.7 24-24V56c0-13.3-10.7-24-24-24h-8c-88.4 0-160 71.6-160 160v240c0 26.5 21.5 48 48 48h128c26.5 0 48-21.5 48-48V304c0-26.5-21.5-48-48-48zm-288 0H96v-64c0-35.3 28.7-64 64-64h8c13.3 0 24-10.7 24-24V56c0-13.3-10.7-24-24-24h-8C71.6 32 0 103.6 0 192v240c0 26.5 21.5 48 48 48h128c26.5 0 48-21.5 48-48V304c0-26.5-21.5-48-48-48z\"><\/path><\/svg><\/span><\/span><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h5 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-56c0705\">Bipedalism is not a consequence of quadrupedalism, it is original.<\/span><\/span><\/h5><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2d4f07f1 e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"2d4f07f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d504566a titre_vid_2 elementor-widget elementor-widget-heading\" data-id=\"d504566a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hypothesis of original bipedalism and implications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c25570da elementor-widget elementor-widget-text-editor\" data-id=\"c25570da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The hypothesis of original bipedalism, based on comparative anatomy and the study of footprints, suggests that the human ancestor did not &quot;gain&quot; bipedalism from arboreal quadrupedalism, but specialized very early in bipedal stance and walking. The hand remained relatively primitive while the foot specialized. A semi-aquatic origin is discussed to explain certain traits (control of breathing, fatty tissue, sweat glands).<br><br>Without settling the debates, this perspective reinforces the clinical importance of the stability and efficiency of the bipedal foot.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70465d6b e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"70465d6b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a14bb57 titre_vid_2 elementor-widget elementor-widget-heading\" data-id=\"6a14bb57\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What this means for the clinician and the patient<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e38447ec elementor-widget elementor-widget-text-editor\" data-id=\"e38447ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>If the foot is a central organ of bipedalism, any restriction at this level resonates upstream: weakened arch, poorly oriented calcaneus, dysfunctional first ray or bridled hallux disrupt the chain and can result in knee, hip or back pain. The modern orthopedic examination therefore systematically integrates the evaluation of the foot and the gait, beyond the painful joint.<br><br>Treatment means restoring an economical and centered gait.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5bfcc2fc e-con-full conteneur_citation_vid_0 e-flex e-con e-child\" data-id=\"5bfcc2fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b061d9fd conteneur_citation_vid_1 aleft elementor-widget-icon-box wgl-icon-box wgl-view-default elementor-widget elementor-widget-wgl-infobox\" data-id=\"b061d9fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wgl-infobox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wgl-infobox_bg_wrapper\"><\/div><div class=\"wgl-infobox\"><div class=\"wgl-infobox_wrapper wgl-layout-left\"><span class=\"media-wrapper icon-wrapper\"><span class=\"wgl-icon\" ><svg class=\"icon elementor-icon e-font-icon-svg e-fas-quote-left\" aria-hidden=\"true\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M464 256h-80v-64c0-35.3 28.7-64 64-64h8c13.3 0 24-10.7 24-24V56c0-13.3-10.7-24-24-24h-8c-88.4 0-160 71.6-160 160v240c0 26.5 21.5 48 48 48h128c26.5 0 48-21.5 48-48V304c0-26.5-21.5-48-48-48zm-288 0H96v-64c0-35.3 28.7-64 64-64h8c13.3 0 24-10.7 24-24V56c0-13.3-10.7-24-24-24h-8C71.6 32 0 103.6 0 192v240c0 26.5 21.5 48 48 48h128c26.5 0 48-21.5 48-48V304c0-26.5-21.5-48-48-48z\"><\/path><\/svg><\/span><\/span><div class=\"content_wrapper\"><div class=\"wgl-infobox-title_wrapper\"><h5 class=\"wgl-infobox_title\"><span class=\"wgl-infobox_title-idle\"><span class=\"elementor-repeater-item-56c0705\">We should never start with a preconceived idea when looking for the origins of man.<\/span><\/span><\/h5><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b02855b6 e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"b02855b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f247a4b2 titre_vid_2 elementor-widget elementor-widget-heading\" data-id=\"f247a4b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Scientific method: observe, compare, question<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ab9f22a elementor-widget elementor-widget-text-editor\" data-id=\"6ab9f22a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Science advances by confronting hypotheses with facts. The study of footprints and bones requires rigorous preparation, reliable measurements, and careful interpretation. The rarity of fossils requires humility and openness to revising models. This critical framework is transposable to clinical orthopedics: analyze, test, measure, reevaluate.<br><br>This is how the best option is chosen for a given patient.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e1371bef e-con-full conteneur_vid_1 e-flex e-con e-child\" data-id=\"e1371bef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70b39e2d titre_vid_2 elementor-widget elementor-widget-heading\" data-id=\"70b39e2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">For the reader: scientific culture and personalized care<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf41ba98 elementor-widget elementor-widget-text-editor\" data-id=\"bf41ba98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>For a patient, knowing the basics of bipedalism helps them understand why the foot and gait are systematically evaluated, even if the pain is located elsewhere. At the Ouchy Orthopedic Center, the approach is functional and individualized: it links anatomy, movement, and life goals. This shared scientific culture promotes informed decisions and lasting results.<br><br>In case of persistent pain, a personalized clinical assessment is the first useful step.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-742f2d5f e-con-full conteneur_tags_0 e-flex e-con e-child\" data-id=\"742f2d5f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eca21f9e conteneur_tags_1 aleft elementor-widget elementor-widget-wgl-button\" data-id=\"eca21f9e\" data-element_type=\"widget\" data-e-type=\"widget\" style=\"\" data-widget_type=\"wgl-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"wgl-button\" href=\"https:\/\/www.centre-ortho.ch\/en\/research\/original-bipedalism\/\" role=\"button\"><div class=\"button__content\"><span class=\"button__text\">original bipedalism<\/span><\/div><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3aee0ac conteneur_tags_1 aleft elementor-widget elementor-widget-wgl-button\" data-id=\"f3aee0ac\" data-element_type=\"widget\" data-e-type=\"widget\" style=\"\" data-widget_type=\"wgl-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"wgl-button\" href=\"https:\/\/www.centre-ortho.ch\/en\/research\/fossil-footprints\/\" role=\"button\"><div class=\"button__content\"><span class=\"button__text\">fossil footprints<\/span><\/div><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9adf3814 conteneur_tags_1 aleft elementor-widget elementor-widget-wgl-button\" data-id=\"9adf3814\" data-element_type=\"widget\" data-e-type=\"widget\" style=\"\" data-widget_type=\"wgl-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"wgl-button\" href=\"https:\/\/www.centre-ortho.ch\/en\/research\/human-evolution\/\" role=\"button\"><div class=\"button__content\"><span class=\"button__text\">human evolution<\/span><\/div><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4447fc47 conteneur_tags_1 aleft elementor-widget elementor-widget-wgl-button\" data-id=\"4447fc47\" data-element_type=\"widget\" data-e-type=\"widget\" style=\"\" data-widget_type=\"wgl-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"wgl-button\" href=\"https:\/\/www.centre-ortho.ch\/en\/research\/human-foot\/\" role=\"button\"><div class=\"button__content\"><span class=\"button__text\">human foot<\/span><\/div><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a41c9711 conteneur_tags_1 aleft elementor-widget elementor-widget-wgl-button\" data-id=\"a41c9711\" data-element_type=\"widget\" data-e-type=\"widget\" style=\"\" data-widget_type=\"wgl-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"wgl-button\" href=\"https:\/\/www.centre-ortho.ch\/en\/research\/yvette-deloison\/\" role=\"button\"><div class=\"button__content\"><span class=\"button__text\">Yvette Deloison<\/span><\/div><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46e11f1b e-con-full e-flex e-con e-parent\" data-id=\"46e11f1b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1410fd3b elementor-widget elementor-widget-shortcode\" data-id=\"1410fd3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f70bb2bb e-con-full e-flex e-con e-parent\" data-id=\"f70bb2bb\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c03667c0 elementor-widget elementor-widget-shortcode\" data-id=\"c03667c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-727b84a7 e-con-full e-flex e-con e-parent\" data-id=\"727b84a7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-422570e4 elementor-widget elementor-widget-shortcode\" data-id=\"422570e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>In this fascinating exchange, Dr. Jacques Vallotton talks with anthropologist Yvette Deloison about original bipedalism and the anatomical discoveries that challenge the classic paradigms of human evolution. <\/p>","protected":false},"author":1,"featured_media":14078,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[77,76],"tags":[286,287,288,289,290],"class_list":["post-11686","page","type-page","status-publish","has-post-thumbnail","hentry","category-dr-jacques-vallotton","category-videos","tag-bipedie-originelle","tag-empreintes-fossiles","tag-evolution-humaine","tag-pied-humain","tag-yvette-deloison"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/pages\/11686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/comments?post=11686"}],"version-history":[{"count":0,"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/pages\/11686\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/media\/14078"}],"wp:attachment":[{"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/media?parent=11686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/categories?post=11686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.centre-ortho.ch\/en\/wp-json\/wp\/v2\/tags?post=11686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}