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Central Somatosensory Changes And Altered Muscle Synergies In Subjects With Anterior Cruciate Ligament Deficiency, Carol Courtney, Rose Marie Rine, Penny G. Kroll
Central Somatosensory Changes And Altered Muscle Synergies In Subjects With Anterior Cruciate Ligament Deficiency, Carol Courtney, Rose Marie Rine, Penny G. Kroll
Rose Marie Rine P.T., Ph.D.
To clarify the mechanisms of compensation in subjects with anterior cruciate ligament deficiency (ACL-D), we examined proprioception, quadriceps strength, somatosensory evoked potentials (SEPs) and muscle responses during gait in varied combinations of speed and incline. Seventeen subjects with ACL-D were grouped by functional level and report of giving way. Seven subjects without ACL-D served as a control sample for muscle response measures. ACL-D subjects with quadriceps weakness experienced giving way and could not resume sport activities. Those without weakness fell into one of two groups: (1) copers, who had full return to previous activity and no giving way despite proprioceptive …