{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T22:26:39Z","timestamp":1769207199125,"version":"3.49.0"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2005,3,28]],"date-time":"2005-03-28T00:00:00Z","timestamp":1111968000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2005,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Muscles of individuals with a spinal cord injury (SCI) exhibit an unexpected leftward shift in the force (torque)\u2013frequency relationship. We investigated whether differences in torque\u2013angle relationships between SCI and able\u2010bodied control muscles could explain this shift. Electrically stimulated knee\u2010extensor contractions were obtained at knee flexion angles of between 30\u00b0 and 90\u00b0. Torque\u2013frequency relationships were obtained at 30\u00b0, 90\u00b0, and optimum angle. Optimum angle was not different between groups but SCI\u2010normalized torques were lower at the extreme angles. At all angles, SCI muscles produced higher relative torques at low stimulation frequencies. Thus, there was no evidence of a consistent change in the length of paralyzed SCI muscles, and the anomalous leftward shift in the torque\u2013frequency relationship was not the result of testing the muscle at a relatively long length. The results provide valuable information about muscle changes occurring in various neurological disorders. 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