{"id":9653,"date":"2022-01-21T14:57:08","date_gmt":"2022-01-21T13:57:08","guid":{"rendered":"https:\/\/www.physiotutors.com\/?post_type=wiki&p=9653"},"modified":"2022-01-21T14:57:08","modified_gmt":"2022-01-21T13:57:08","slug":"lhermittes-sign","status":"publish","type":"wiki","link":"https:\/\/www.physiotutors.com\/wiki\/lhermittes-sign\/","title":{"rendered":"Lhermitte’s Sign"},"featured_media":0,"template":"","class_list":["post-9653","wiki","type-wiki","status-publish","hentry"],"acf":{"sections":[{"acf_fc_layout":"page-header-detail-page","background":{"background_image":9657,"background_image_alt_text":"Lhermitte's Sign"},"heading":"Lhermitte's Sign | Myelopathy | Neurological Assessment","subheading":"Neurological 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":"

Lhermitte's Sign | Myelopathy | Neurological Assessment<\/h2>\nThe L'hermitt\u00e9 sign was originally described as a sign that could be observed in patients suffering from multiple sclerosis. <\/span>It has later been referenced in conditions such as cervical myelopathy, cervical spondylitis, trauma, and other conditions affecting the dorsal column of the spinal cord. <\/span>The pathological mechanisms are thought to be hyperexcitability of demyelinated nerves in the spinal cord or other disturbances of the dorsal column such as pressure or stretch.<\/span>\n\nEvidence on the diagnostic accuracy of the L'hermitt\u00e9 sign is sparse and rates the sign rather poorly, with a positive and negative LR of 1 as reported by Uchihara et al. (1994)<\/a>.<\/span>\n
\n\n[embed]https:\/\/www.youtube.com\/watch?v=mDQ-UdK-PDs[\/embed]\n\n<\/div>\nTo conduct the test have the patient in standing or sitting position and then ask them to flex the neck. A positive test shows <\/span>an electrical \u201ctype\u201d response or a \u201cpins and needles\u201d sensation down the spine, possibly extending into the extremities near the end range of flexion.<\/span>\n\n[cta]\n\nOther common neurological screening tests for upper motor neuron lesions are:\n\nBabinski Sign or Babinski Reflex<\/a>\n\nInverted Supinator Sign<\/a>\n\nHoffmann's Sign<\/a>\n\n \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":"

References<\/h4>"},"column_right":{"content_editor":"Uchihara T, Furukawa T, Tsukagoshi H. Compression of brachial plexus as a diagnostic test of cervical cord lesion. Spine. 1994 Oct 1;19(19):2170-3.<\/a>"}},{"acf_fc_layout":"cta-image-v2","layout":"","background":"transparent","heading":"","content_editor":"

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