Usefulness of Manual Muscle Testing of Pronator Teres and Supinator Muscles in Assessing Cervical Radiculopathy

概要

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Laterality of muscle weakness between the pronator teres and supinator muscles (LPS) and MR images of the cervical spinal cord were examined in patients with cervical radiculopathy (CR) and age-matched controls. The LPS diagnostic sensitivity (95 of 115 patients, 82.6%) and specificity (77 of 102 patients, 75.5%) in CR are significant. Eighteen patients who showed no amelioration of LPS within 2 to 4 weeks had high probability of moderate to severe cervical disc protrusion. LPS is a simple but useful test for the detection of cervical lesion and prediction of its prognosis.頸椎神経根症(CR)の患者さんと年齢補正した正常者群との間で,円回内筋と回外筋の筋力の左右差を徒手筋力検査で検出し(LPS),それと頸部MRI画像に認められる脊髄病変の程度について検討した.CR患者群において,LPSを診断法として用いた感度(115名中95名で,82.6%)と,特異性(102名中77名で,75.5%)は有意に高かった.また,2～4週間の間にLPSの改善を認めなかった18名のCR患者では,画像上中程度から高度の頸椎椎間板の突出が認められた.このことから,LPSは頸椎病変の検出と,その予後を予測するために有用な,臨床で簡単に行える手技と考えられた.
2005-08-25