Vastus medialis muscle
The Vastus Medialis is one of the four muscles in the quadriceps group, located in the anterior compartment of the thigh. It is the most medial, or inner, of the quadriceps muscles. The Vastus Medialis originates from the lower intertrochanteric line and medial lip of the linea aspera of the femur. It inserts into the medial base of the patella and the patellar tendon, which attaches to the tibia.
Function[edit | edit source]
The primary function of the Vastus Medialis is to extend the knee joint. It also plays a crucial role in stabilizing the patella and tracking it during knee flexion and extension.
Clinical Significance[edit | edit source]
Weakness or imbalance in the Vastus Medialis, particularly in relation to the other quadriceps muscles, can lead to patellofemoral pain syndrome and patellar subluxation. Strengthening the Vastus Medialis is often a focus in rehabilitation programs for these conditions.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD