The articularis genus muscle is a flat sheet of muscle fibers which occupies the anterior aspect of distal portion of femur. It lies under the long tendon of vastus intermedius muscle.
The articularis genus consists of three flat and narrow bands of muscular fibers which originate from the lower fourth of anterior surface of shaft of femur and is inserted into the suprapatellar bursa of knee.
Action
The articularis genus tenses the capsule of the knee-joint.
Innervation
It is innervated by deep nerve fibers arising from the femoral nerve.
Blood Supply
It is supplied by deep branches from the second and third perforating arteries.
Below, the articularis genus on anterior surface of distal end of femur
