{"id":26433,"date":"2022-06-11T13:58:27","date_gmt":"2022-06-11T17:58:27","guid":{"rendered":"http:\/\/osteomag.ca\/posterolateral-acorner-injuries-pace\/"},"modified":"2024-02-29T05:35:30","modified_gmt":"2024-02-29T10:35:30","slug":"posterolateral-acorner-injuries-pace","status":"publish","type":"post","link":"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/","title":{"rendered":"Posterolateral corner point (PLC) injury of the knee"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\">The primary role of the posterolateral corner point is to prevent the knee from excessive outward rotation. In addition, it also provides secondary support to prevent the tibia from moving forward or backward on the femur.<\/p>\n\n\n\n<p>The posterolateral corner point (PLC) is composed of several different muscle tendons, ligaments and joint tissues that work to provide support and stabilization to the outside of the knee.<\/p>\n\n\n\n<p>These structures are generally subdivided into primary and secondary stabilizers.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#Primary_stabilizer\" >Primary stabilizer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#Secondary_stabilizer\" >Secondary stabilizer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#Posterolateral_corner_injuries_PACE_are_most_often_associated_with\" >Posterolateral corner injuries (PACE) are most often associated with&#13;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#The_PACE_provides_stabilisation_to_the_knee\" >The PACE provides stabilisation to the knee:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#PACE_instability_can_be_differentiated_into\" >PACE instability can be differentiated into<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#Classification\" >Classification<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#What_causes_an_PACE_injury\" >What causes an PACE injury?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/osteomag.ca\/en\/posterolateral-acorner-injuries-pace\/#What_are_the_symptoms_of_an_PACE_injury\" >What are the symptoms of an PACE injury?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"has-text-align-center wp-block-heading\" id=\"h-stabilisateur-primaire\"><span class=\"ez-toc-section\" id=\"Primary_stabilizer\"><\/span>Primary stabilizer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Lateral collateral ligament (LCL)<\/li><li>Popliteofibular ligament (PFL)<\/li><li>Popliteal tendon<\/li><\/ul><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"has-text-align-center wp-block-heading\" id=\"h-stabilisateur-secondaire\"><span class=\"ez-toc-section\" id=\"Secondary_stabilizer\"><\/span>Secondary stabilizer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Lateral knee capsule<\/li><li>Coronal ligament<\/li><li>Lateral tendon of the gastrocneumius<\/li><li>Fabello-fibular ligament<\/li><li>Long head of the biceps femoris<\/li><li>Iliotibial band<\/li><\/ul><\/div>\n<\/div>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Posterolateral_corner_injuries_PACE_are_most_often_associated_with\"><\/span>Posterolateral corner injuries (PACE) are most often associated with&#13;\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"wp-block-list\"><li>Sports injuries<\/li><li>Road traffic accidents<\/li><li>Falls<\/li><\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_PACE_provides_stabilisation_to_the_knee\"><\/span>The PACE provides stabilisation to the knee:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"wp-block-list\"><li>Static (prevent varus collapse at the knee and external rotation of the tibia on the femur)&#13;\n<ul><li>Lateral collateral ligament (LCL)<\/li><li>The popliteal tendon<\/li><li>The popliteofibular ligament<\/li><li>The posterolateral capsule. Together, these structures.<\/li><\/ul><\/li><\/ul>\n<ul class=\"wp-block-list\"><li>Dynamic (similar roles to static structures, but through movement).&#13;\n<ul><li>Popliteal muscle<\/li><\/ul><\/li><\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PACE_instability_can_be_differentiated_into\"><\/span>PACE instability can be differentiated into<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"wp-block-list\"><li>Dorsal instability<ul><li>Posterior cruciate ligament injury<\/li><\/ul><\/li><li>Lateral instability (varus)<ul><li>Lateral collateral ligament (LCL) injury<\/li><\/ul><\/li><li>Rotational instability,<ul><li>Injuries to the popliteal complex <\/li><\/ul><\/li><\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Classification\"><\/span>Classification<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"has-white-color has-vivid-cyan-blue-background-color has-text-color has-background wp-block-list\"><li>Type 1: Isolated posterior instability due to isolated PCL injury.<\/li><li>Type 2: posterolateral rotational instability without lateral instability (PCL + popliteal complex)&#13;\n<\/li><li>Type 3: posterolateral rotational instability with varus instability (PCL + popliteal complex + partial LCL)&#13;\n<\/li><li>Type 4: posterolateral rotational instability with varus instability (PCL + popliteal complex + total LCL)&#13;\n<\/li><\/ul>\n<h1 class=\"wp-block-heading\" id=\"h-quelles-sont-les-causes-d-une-lesion-pape\"><span class=\"ez-toc-section\" id=\"What_causes_an_PACE_injury\"><\/span>What causes an PACE injury?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/PAPE.jpg\" alt=\"\" class=\"wp-image-31669\" width=\"200\" height=\"311\" srcset=\"https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/PAPE.jpg 267w, https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/PAPE-261x405.jpg 261w, https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/PAPE-51x80.jpg 51w, https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/PAPE-150x233.jpg 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/figure><\/div>\n\n<ul class=\"wp-block-list\"><li>Combined hyperextension trauma and varus force to the knee.<\/li><li>Other mechanisms include coupled hyperextension and external rotation of the tibia or external rotation of the tibia and a large varus force.&#13;\n<\/li><\/ul>\n<h1 class=\"wp-block-heading\" id=\"h-quelles-sont-les-symptomes-d-une-lesion-pape\"><span class=\"ez-toc-section\" id=\"What_are_the_symptoms_of_an_PACE_injury\"><\/span>What are the symptoms of an PACE injury?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n<ul class=\"wp-block-list\"><li>Injuries to the LPC may or may not occur in conjunction with injuries to other knee structures.&#13;\n<\/li><\/ul>\n<p><\/p>\n\n<ul class=\"wp-block-list\"><li>Pain or swelling of the posterolateral surface of the knee.<\/li><li>Pain that is aggravated by weight-bearing activities, particularly those involving high loads passing through the lower limb such as hill climbing, rapid changes of direction or jumping&#13;\n<\/li><li>Feeling weak or &#8216;giving way&#8217; around the knee.<\/li><li>If you have an LPC injury and the peroneal nerve is affected, you may also feel or numbness in the leg and foot.&#13;\n<\/li><li>You may also feel weakness in the foot or ankle.<\/li><li>Outward bending of the affected knee while standing.<\/li><li>Difficulty walking or climbing stairs due to a feeling of instability.<\/li><li>Numbness or tingling in the lower leg.<\/li><li>Feet that fall on the injured side<\/li><\/ul>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"349\" height=\"321\" src=\"https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/LeVeon-Bell.jpg\" alt=\"\" class=\"wp-image-31672\" srcset=\"https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/LeVeon-Bell.jpg 349w, https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/LeVeon-Bell-80x74.jpg 80w, https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/LeVeon-Bell-150x138.jpg 150w, https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/LeVeon-Bell-300x276.jpg 300w\" sizes=\"(max-width: 349px) 100vw, 349px\" \/><figcaption>Le&#8217;Veon Bell injured his medial collateral ligament (MCL) and posterior cruciate ligament (PCL) on November 1, 2015.<\/figcaption><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/osteomag.ca\/wp-content\/uploads\/2022\/09\/bellknee.0.gif\" alt=\"\" class=\"wp-image-31675\" width=\"558\" height=\"313\"\/><figcaption>Credit sbnation.com<\/figcaption><\/figure><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The main role of the posterolateral corner is to prevent the knee from rotating excessively or rotating outward. In addition, it also gives secondary support to prevent the tibia from moving anteriorly or posteriorly on the femur.<\/p>\n","protected":false},"author":1,"featured_media":26435,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","iawp_total_views":2,"footnotes":""},"categories":[228],"tags":[],"class_list":{"0":"post-26433","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-knee"},"_links":{"self":[{"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/posts\/26433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/comments?post=26433"}],"version-history":[{"count":0,"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/posts\/26433\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/media\/26435"}],"wp:attachment":[{"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/media?parent=26433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/categories?post=26433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osteomag.ca\/en\/wp-json\/wp\/v2\/tags?post=26433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}