| Feature | Adductor Portion (Anterior) | Hamstring Portion (Posterior) | | :--- | :--- | :--- | | | Obturator nerve (L2–L4) | Tibial nerve (L4–S1) | | Primary Action | Adduction (pulling leg toward midline) | Hip extension (pulling leg backward) | | Secondary Action | Medial rotation, flexion | Lateral rotation, no flexion | | Active when... | Leg is abducted or in mid-stance | Leg is behind the body (walking, running) |

Adductor Magnus Official

| Feature | Adductor Portion (Anterior) | Hamstring Portion (Posterior) | | :--- | :--- | :--- | | | Obturator nerve (L2–L4) | Tibial nerve (L4–S1) | | Primary Action | Adduction (pulling leg toward midline) | Hip extension (pulling leg backward) | | Secondary Action | Medial rotation, flexion | Lateral rotation, no flexion | | Active when... | Leg is abducted or in mid-stance | Leg is behind the body (walking, running) |