{"id":12812,"date":"2022-11-15T17:14:48","date_gmt":"2022-11-15T16:14:48","guid":{"rendered":"https:\/\/www.physiotutors.com\/?post_type=wiki&p=12812"},"modified":"2022-11-15T17:14:48","modified_gmt":"2022-11-15T16:14:48","slug":"passive-lumbar-extension-test","status":"publish","type":"wiki","link":"https:\/\/www.physiotutors.com\/wiki\/passive-lumbar-extension-test\/","title":{"rendered":"Passive Lumbar Extension Test"},"featured_media":12813,"template":"","class_list":["post-12812","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"sections":[{"acf_fc_layout":"page-header-detail-page","background":{"background_image":12813,"background_image_alt_text":"Passive Lumbar Extension Test"},"heading":"Passive Lumbar Extension Test | Radiographic Lumbar Instability","subheading":"Lumbar Spine 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":"

Learn<\/h4>"},"column_right":{"content_editor":"

Passive Lumbar Extension Test\u00a0| Radiographic Lumbar Instability Assessment<\/h2>\nNon-specific low back pain patients are very heterogeneous. Classifying them is thus necessary to provide adequate treatment.\u00a0 In the case of lumbar instability, the best available diagnostic value is a cluster of subjective and objective findings, which we discussed in another video.\n\nNonetheless, there are also physical tests, which can give an indication of lumbar spine instability, one of which is the passive lumbar extension test or PLET. According to Kasai et al (2006)<\/a>, it has a reported sensitivity of 84,2% and a specificity of 90.4%.\nFerrari et al. (2014)<\/a> found less promising values with a sensitivity of 43% and a specificity of 86%, while Rabin et al. (2013)<\/a> found a substantial inter-rater agreement with a Kappa value of 0.76. All in all, this test seems to be moderately useful in clinical practice.\n
\n\n[embed]https:\/\/www.youtube.com\/watch?v=OrgoC3mKhXQ[\/embed]\n\n<\/div>\nFor the test, the patient lies in prone position.\nThen both legs are passively raised about 30 cm from the bench and then pulled gently.\nIf the patient experiences severe low back pain or if there is a feeling of heaviness on the lower back or a feeling as though the lower back were about to \u2018come off\u2019 the test is considered positive.\n\n[cta]\n\nThere are several other orthopedic tests for the diagnosis of radiographic lumbar instability:\n