biceps femoris muscle


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Related to biceps femoris muscle: Rectus femoris muscle, Semitendinosus muscle

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
References in periodicals archive ?
During muscle testing, electromyographic activity of the rectus femoris and the long head of the biceps femoris muscles was assessed using an MP150 system (Biopac Systems, Inc.
For example, despite the fact that the double leg pump exercise uses the flexor muscles, it was not enough to cause a change in the condition of the long head of the biceps femoris muscle.
T2-weighted axial magnetic resonance image of left thigh shows close relationship between common peroneal nerve (arrow) and biceps femoris muscle (b).
These results are in conflict with the alterations of biceps femoris muscle during jump in another study.
This theory is based on an observed partial attachment of the long head of the biceps femoris muscle to the sacrotuberous ligament, which bridges the sacroiliac joint.
The common peroneal nerve is also at risk during this approach as it branches off the tibial nerve and descends along the medial margin of the biceps femoris muscle.
The pH of biceps femoris muscle was measured in triplicates following the procedure of Bendall (1973) using a portable pH meter (Sentron Argus-X, Roden, Netherland).
In the articles reviewed, little discussion was found regarding possible reasons why the biceps femoris muscle appeared to be more commonly injured.
ABSTRACT : The effects of salt and bicarbonate solution on overall meat quality in beef biceps femoris muscle were investigated with the application of chilling and freezing conditions.
Body weight and the weights of half-carcass, fetal leg, liver, kidney, lung, heart, semitendinosus muscle, and biceps femoris muscle were recorded.
Thus, the biceps femoris muscle likely plays an important role in reducing excessive internal rotation of the knee during drop landing in female athletes.
At least one more muscle innervated by different roots and peripheral nerves besides first interosseus dorsalis and tibialis anterior muscles was examined for both cervical and lumbosacral spinal cord regions, such as extensor digitorum communis, biceps brachii, or triangular muscles in upper limbs and gastrocnemius, quadriceps femoris, or biceps femoris muscles in lower limbs.