Musculus Adductor Magnus !free! Jun 2026
| 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 muscle is structurally and functionally divided into two distinct portions: The Adductor (Pubofemoral) Portion musculus adductor magnus
: Originates from the ischial tuberosity. | Action | Adductor part | Hamstring part
The musculus adductor magnus executes multiple actions depending on the position of the hip joint. musculus adductor magnus
| Part | Nerve | Spinal Roots | |------|-------|---------------| | Adductor part | Obturator nerve (posterior division) | L2–L4 | | Hamstring part | Tibial part of sciatic nerve | L4 (L3–L5) |
Supplied by the posterior branch of the obturator nerve (roots L2, L3, L4).