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semimembranosus |
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semimembranosus [¦sem·i‚mem·brə′nō·səs] (anatomy) One of the hamstring muscles, arising from the ischial tuber, and inserted into the tibia. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Surface electrodes were used with an eight-channel telemetric electromyographic system to collect recordings from the vastus medialis, biceps femoris, semimembranosus, semitendinosus, and gastrocnemius medialis muscles from both legs. The posterior thigh houses the hamstring group (semitendinosis, semimembranosus, and biceps femoris), which flex the knee, extend the hip, and tilt the pelvis posteriorly. [20] The timing of electromyographic (EMG) activity in individual paretic limb muscles exhibited 2 distinct types of abnormalities that were correlated with this lesser work production: prolonged excitation in the vastus medialis muscle (VM) and phase-advanced excitation (both early initiation and early termination) in the rectus femoris muscle (RF) and the semimembranosus muscle (SM). |
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