Extensor Muscles Of The Thigh. The quadriceps is the great extensor muscle of the knee forming a large fleshy muscle group covering the front and sides of the thigh. The extensor muscles consist of the quadriceps extensor composed of the rectus femoris vastus internus vastus externus and crureus vastus intermedins and we might add also the sar torius.
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In humans certain muscles of the hand and foot are named for this function. The quadriceps femoris muscle with its four muscle heads counts among the thigh extensors. Extensor pollicis longus distal phalange lower limb hip.
The quadriceps of the thigh is homologous with the triceps extensor of the arm the fourth head of the latter muscle being the anconeus.
In humans certain muscles of the hand and foot are named for this function. Posterior compartment of thigh. In humans certain muscles of the hand and foot are named for this function. Of leg at knee l3 l4 quadriceps.
