Where is biceps femoris

A slip may pass to the Gastrocnemius. IMAIOS and selected third parties, use cookies or similar technologies, in particular for audience measurement.

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Both muscle bellies broaden distally and unite by means of an aponeurosis with the crural fascia and fascia of the stifle. Though this fascia, the biceps femoris insert to the patella, the patellar ligament and the tibial tuberosity.

A distinct distal tendon of the main musclepasses distally under the abductor muscle of the thigh and along the gastrocnemius muscle. It curves in front of the main part of the calcaneal tendon ot insert on the calcaneal tuber after cominbint with a similar tendon form the semitendinous muscle.

Origin: Ventrocaudal end of the sacrotuberous ligament, lateral angle of the ischial tuberosity. Insertion: Tibial tuberosity, tibial crest, medial tuberosity of the tuber calcanei via the calcaneal tendon. Action: Antigravity in stance phase of locomotion, knee flexion at the start of the swing phase of locomotion and tarsal joint extension. IMAIOS and selected third parties, use cookies or similar technologies, in particular for audience measurement.

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The functions of the biceps femoris are flexion and external rotation of the knee. The fibers of the long head of the biceps femoris also aid in extension of the thigh. The long head of the biceps femoris is innervated by the tibial nerve, but the short head is supplied by the common peroneal nerve.

Both of these nerves are terminal branches of the sciatic nerve, which arises from the sacral plexus.