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biceps femoris (muscle)


Definition: hamstring muscle of posterior compartment of thigh; 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 the flexed leg laterally; nerve supply, long head, tibial, short head, fibular.

Synonym(s): musculus biceps femorisTA, biceps muscle of thigh, musculus biceps flexor cruris

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.