{"id":12998,"date":"2022-11-21T16:58:00","date_gmt":"2022-11-21T15:58:00","guid":{"rendered":"https:\/\/www.physiotutors.com\/?post_type=wiki&amp;p=12998"},"modified":"2022-11-21T16:58:00","modified_gmt":"2022-11-21T15:58:00","slug":"ischiofemoral-impingement-test","status":"publish","type":"wiki","link":"https:\/\/www.physiotutors.com\/wiki\/ischiofemoral-impingement-test\/","title":{"rendered":"Ischiofemoral Impingement Test"},"featured_media":13005,"template":"","class_list":["post-12998","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"sections":[{"acf_fc_layout":"page-header-detail-page","background":{"background_image":13005,"background_image_alt_text":"Ischiofemoral Impingement Test"},"heading":"Ischiofemoral Impingement Test | Ischiofemoral Hip Impingement ","subheading":"Hip Assessment","content_editor":"","button_type":"internal_link","button_label":"Check our shop","button_style":"button-five","button_internal_link":4646,"button_anchor":"","button_url":"","button_file":"","label":""},{"acf_fc_layout":"submenu","links":[{"button_type":"anchor","button_label":"Learn","button_internal_link":null,"button_anchor":"section-number-3","button_url":"","button_file":null},{"button_type":"anchor","button_label":"Assessment E-Book","button_internal_link":null,"button_anchor":"section-number-4","button_url":"","button_file":null},{"button_type":"anchor","button_label":"Reviews","button_internal_link":null,"button_anchor":"section-number-5","button_url":"","button_file":null}],"dropdown_label":"Go to","button_right":{"button_type":"internal_link","button_label":"Become a member","button_style":"button-three","button_internal_link":16662,"button_anchor":"","button_url":"","button_file":""},"button_description":"Find this wiki on the Physiotutors platform"},{"acf_fc_layout":"content-content","section_options":{"vertical_alignment":"top","column_right_box":false,"column_left_width":"col-12 col-lg-4 offset"},"column_left":{"content_editor":"<h4>Learn<\/h4>"},"column_right":{"content_editor":"<h6>Ischiofemoral Impingement Test | Ischiofemoral Hip Impingement<\/h2>\nPosterior hip pain remains a challenge for clinicians. The following graphic from a paper by <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/30080760\/\" target=\"_blank\" rel=\"noopener\">Gomez-Hoyos et al. (2018)<\/a> shows an overview of possible competing diagnoses:\n\n[caption id=\"attachment_13007\" align=\"alignnone\" width=\"985\"]<img class=\"wp-image-13007 size-full\" src=\"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/11\/Causes-of-posterior-hip-pain.jpg\" alt=\"Causes of posterior hip pain\" width=\"985\" height=\"620\" \/> <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/30080760\/\" target=\"_blank\" rel=\"noopener\">G\u00f3mez-Hoyos et al. (2018)<\/a>[\/caption]\n\nAs you can see, differential diagnosis in the posterolateral hip region is not that straightforward.\n\nIn 1977 ischiofemoral impingement, abbreviated as IFI, was first described by<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/845219\/\" target=\"_blank\" rel=\"noopener\"> Johnson<\/a> and still remains a disputed entity. Unlike femoroacetabular impingement that you know from the CAM and pincer deformity, IFI is an extraarticular form of impingement.\u00a0 <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19542413\/\" target=\"_blank\" rel=\"noopener\">Torriani et al. (2009)<\/a> defined the syndrome as a decrease in ischiofemoral space between the lateral ischium and the minor trochanter and a decreased quadratus femoris space between the minor trochanter and the proximal hamstring tendons.\n\n[caption id=\"attachment_13009\" align=\"alignnone\" width=\"605\"]<img class=\"wp-image-13009 size-full\" src=\"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/11\/Ischiofemoral-hip-impingement.jpg\" alt=\"Ischiofemoral hip impingement\" width=\"605\" height=\"541\" \/> <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27343397\/\" target=\"_blank\" rel=\"noopener\">Martin et al. (2016)<\/a>[\/caption]\n\nPatients often complain about long-stride walking pain. The pain is felt lateral to the ischium during the toe-off\/preswing phase of gait with the hip in terminal extension in which position the lesser trochanter rubs the lateral border of the ischium or the semimembranosus tendon origin. Some patients also complain about radiating pain down the ipsilateral leg which could be elicited when the sciatic nerve becomes entrapped in the ischiofemoral space.\n\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27020393\/\" target=\"_blank\" rel=\"noopener\">Gom\u00e9z-Hoyos et al. (2016)<\/a> evaluated the accuracy of the ischiofemoral impingement test and found a sensitivity of 82% and a specificity of 85%. The gold standard they used was a combination of posterior hip pain, abnormal MRI findings including a reduced ischiofemoral space or quadratus femoris space) and at least 60% pain relief after decompression surgery. This is the only study so far and it was done in a retrospective study design which might have missed patients who did not undergo injection or surgery. Additionally, the study did not determine the intra- or interobserver reliability of this test. For this reason, the clinical value of this test remains questionable for now.\n<div class=\"embed-container\">\n\n[embed]https:\/\/www.youtube.com\/watch?v=fMdRwFWWQgI[\/embed]\n\n<\/div>\nTo perform the test, the patient is in side-lying position on the unaffected side. The examiner palpates the lateral ischium with one hand while the other brings the affected hip into maximal extension with the hip in adduction or neutral position in an attempt to provoke symptoms. If familiar posterior hip pain is reproduced the test is repeated with the hip in abduction, which should not reproduce symptoms. This test is positive if the familiar posterior hip pain is reproduced in the first position and cannot be reproduced in the second testing position.\n\n[cta]\n\nAnother orthopedic test that assesses for ischiofemoral hip impingement is the <a href=\"https:\/\/www.physiotutors.com\/wiki\/long-stride-walking-test\/\">long stride walking test<\/a>.\n\n&nbsp;\n"}},{"acf_fc_layout":"content-content","section_options":{"vertical_alignment":"top","column_right_box":false,"column_left_width":"col-12 col-lg-4 offset"},"column_left":{"content_editor":"<h4>References<\/h4>"},"column_right":{"content_editor":"<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27020393\/\" target=\"_blank\" rel=\"noopener\">G\u00f3mez-Hoyos, J., Martin, R. L., Schr\u00f6der, R., Palmer, I. J., &amp; Martin, H. D. (2016). Accuracy of 2 clinical tests for ischiofemoral impingement in patients with posterior hip pain and endoscopically confirmed diagnosis.\u00a0Arthroscopy: The Journal of Arthroscopic &amp; Related Surgery,\u00a032(7), 1279-1284.<\/a>\n\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/845219\/\" target=\"_blank\" rel=\"noopener\">Johnson, K. A. (1977). Impingement of the lesser trochanter on the ischial ramus after total hip arthroplasty. Report of three cases.\u00a0<i>JBJS<\/i>,\u00a0<i>59<\/i>(2), 268-269.<\/a>\n\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/30080760\/\" target=\"_blank\" rel=\"noopener\">G\u00f3mez-Hoyos, J., Martin, R. L., &amp; Martin, H. D. (2018). Current concepts review: evaluation and management of posterior hip pain.\u00a0<i>JAAOS-Journal of the American Academy of Orthopaedic Surgeons<\/i>,\u00a0<i>26<\/i>(17), 597-609.<\/a>\n\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19542413\/\" target=\"_blank\" rel=\"noopener\">Torriani, M., Souto, S. C., Thomas, B. J., Ouellette, H., &amp; Bredella, M. A. (2009). Ischiofemoral impingement syndrome: an entity with hip pain and abnormalities of the quadratus femoris muscle.\u00a0<i>American journal of roentgenology<\/i>,\u00a0<i>193<\/i>(1), 186-190.<\/a>\n\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27343397\/\" target=\"_blank\" rel=\"noopener\">Martin, H. D., Khoury, A., Schr\u00f6der, R., &amp; Palmer, I. J. (2016). Ischiofemoral impingement and hamstring syndrome as causes of posterior hip pain: where do we go next?.\u00a0<i>Clinics in Sports Medicine<\/i>,\u00a0<i>35<\/i>(3), 469-486.<\/a>"}},{"acf_fc_layout":"cta-image-v2","layout":"","background":"transparent","heading":"","content_editor":"<p class=\"subheading\">Like what you\u2019re learning?<\/p>\n<p class=\"heading-two\">BUY THE FULL PHYSIOTUTORS <strong>ASSESSMENT BOOK<\/strong><\/p>\n\n<ul>\n \t<li>600+ Pages e-Book<\/li>\n \t<li>Interactive Content (Direct Video Demonstration, PubMed articles)<\/li>\n \t<li>Statistical Values for all Special Tests from the latest research<\/li>\n \t<li>Available in \ud83c\uddec\ud83c\udde7 \ud83c\udde9\ud83c\uddea \ud83c\uddeb\ud83c\uddf7 \ud83c\uddea\ud83c\uddf8 \ud83c\uddee\ud83c\uddf9 \ud83c\uddf5\ud83c\uddf9 \ud83c\uddf9\ud83c\uddf7<\/li>\n \t<li>And much more!<\/li>\n<\/ul>","button_type":"internal_link","button_label":"Check out our 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