
The biceps femoris (/ˈba?s?ps ˈf?m?r?s/) is a muscle of the thigh located to the posterior, or back. Biceps femoris muscle. Biceps Femoris Actions flexes knee joint, laterally rotates knee joint (when knee is flexed), extends hip joint (long head only) Antagonist Quadriceps muscle Click to see full answer. Correspondingly, which muscle group is antagonistic to the biceps femoris?Answer and Explanation: The muscle group antagonist to the quadriceps femoris group is the hamstring group including the biceps femoris, semitendinosus, and semimembranousus.Secondly, what muscle is the antagonist to the quadriceps? The hamstrings are the agonist and the quadriceps are the antagonist. Also, which muscles are antagonists to the hamstrings? The muscle that is antagonist to the hamstrings are the quadriceps. Quadriceps are the group of muscles located in the front of the thigh which include the vastus lateralis, vastus medialis, vastus intermedius and the rectus femoris. They help in extending or straightening the knee.In what movements are the biceps femoris and the Semitendinosus antagonists?Antagonists to flexion at the hip include the gluteus maximus, the hamstrings (specifically the long head of biceps femoris), and the semimembranosus and semitendinosus, which all act to extend at the hip.
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