| Action | Adductor part | Hamstring part | |--------|---------------|----------------| | Hip adduction | ✔ Primary | ✔ Assists | | Hip flexion | ✔ (when hip is extended) | ✘ | | Hip extension | ✘ | ✔ (powerful extensor) | | Medial rotation of thigh | ✔ (weak) | ✘ | | Lateral rotation of thigh | ✘ | ✔ (when hip is flexed) |
The hamstring part is often called the "fourth hamstring" because it acts synergistically with the hamstrings during hip extension (e.g., rising from a squat, climbing stairs).
Supplied by the tibial component of the sciatic nerve (roots L4, L5, S1). musculus adductor magnus
The unique arrangement of the distal attachments creates a critical anatomical landmark known as the (or hiatus magnus). This is a gap located between the distal insertion of the adductor portion on the linea aspera and the ischiocondylar insertion on the adductor tubercle.
Gently pressing the knees toward the floor targets the shorter, horizontal fibers of the muscle. If you want to explore further, | Action | Adductor part | Hamstring part
The fundamental action of the muscle is —bringing the leg inward toward the midline of the body. This is a critical action during activities like ice skating, horseback riding, soccer (passing with the inside of the foot), and squeezing the legs together. The "Fourth Hamstring": Extension and Flexion
The vertical, ischiocondylar fibers act as a powerful hip extensor alongside the gluteus maximus and hamstrings. When the hip is heavily flexed (e.g., at the bottom of a deep squat), the adductor magnus becomes the primary, most mechanically efficient hip extensor. Pelvic Stabilization This is a gap located between the distal
: A gap between the two portions allows the femoral artery and vein to pass into the popliteal fossa.