biceps femoris muscle

(redirected from musculus biceps femoris)
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Related to musculus biceps femoris: leg biceps

bi·ceps fe·mo·ris mus·cle

(bī'seps fem'ōr-is mŭs'ĕl)
Origin, long head (caput longum) from tuberosity of ischium, short head (caput breve) from lower half of lateral lip of linea aspera; insertion, head of fibula; action, flexes knee and rotates leg laterally; nerve supply, long head, tibial, short head, peroneal.
Synonym(s): musculus biceps femoris [TA] .

biceps femoris muscle

Leg muscle. Origin: ischial tuberosity, linea aspera and second supracondylar ridge of femur. Insertion: lateral condyle of tibia, head of fibula. Nerve: sciatic (L5-S2). Action: flexes leg, rotates leg laterally, extends thigh.
See: leg for illus. (Muscles of the leg)
See also: muscle
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