Anterior thigh

Vastus medialis

Extends the knee and contributes to medial control of the patella through the quadriceps tendon

Origin: Intertrochanteric line and medial lip of the linea aspera of the femur
Insertion: Tibial tuberosity through the quadriceps tendon, patella, and patellar ligament
Primary actions: Extends the knee and contributes to medial control of the patella through the quadriceps tendon

Anatomy reference

OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs

Open reference

Educational anatomy reference only. This page does not diagnose pain, injury, or movement limitations.

From anatomy to action

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Corrective movement strategies and exercises

Mobility focus

Knee Dominance

Explore squat and step variations that distribute effort comfortably across the foot, knee, and hip.

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