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LE MuscleNerveAction
Lower Extremity Muscles, Innervation, and Action
| Muscle | Innervation | Action |
|---|---|---|
| Iliopsoas | L2,3 Femoral Nerve | Hip Flexion |
| Pectineus | Femoral Nerve | Hip Flexion |
| Gluteus Maximus | Inferior Gluteal Nerve | Hip Extension |
| Biceps Femoris (long head) | Sciatic Nerve - Tibial Division | Hip Extension |
| Semitendinosus | Sciatic Nerve - Tibial Division | Hip Extension |
| Semimembranosus | Sciatic Nerve - Tibial Division | Hip Extension |
| Gluteus Medius | Superior Gluteal Nerve | Hip Abduction |
| Gluteus Minimus | Superior Gluteal Nerve | Hip Abduction |
| Adductor Brevis | Obturator Nerve | Hip Adduction |
| Adductor Longus | Obturator Nerve | Hip Adduction |
| Adductor Magnus | Obturator Nerve, Sciatic Nerve | Hip Adduction |
| Gracilis | Obturator Nerve | Hip Adduction |
| Biceps Femoris | Sciatic Nerve - Tibial Div; Sciatic Nerve - Peroneal Div | Knee Flexion |
| Semitendinosus | Sciatic Nerve - Tibial Division | Knee Flexion |
| Semimembranosus | Sciatic Nerve - Tibial Division | Knee Flexion |
| Vastus Lateralis | Femoral Nerve | Knee Extension |
| Vastus Intermedius | Femoral Nerve | Knee Extension |
| Vastus Medialis | Femoral Nerve | Knee Extension |
| Rectus Femoris | Femoral Nerve | Knee Extension |
| Gastoc | Tibial Nerve | Plantarflexion |
| Soleus | Tibial Nerve | Plantarflexion |
| Tibialis Anterior | Deep Peroneal Nerve | Dorsiflexion |
| Tibialis Anterior | Deep Peroneal Nerve | Foot Inversion |
| Tibialis Posterior | Tibial Nerve | Foot Inversion |
| Peroneus Tertius | Deep Peroneal Nerve | Foot Eversion |
| Peroneus Longus | Superficial Peroneal Nerve | Foot Eversion |
| Peroneus Brevis | Superficial Peroneal Nerve | Foot Eversion |
| Gluteus Medius | Superior Gluteal Nerve | Internal Rotation of Hip |
| Gluteus Minimus | Superior Gluteal Nerve | Internal Rotation of Hip |
| Piriformis | Sacral Plexus | External Rotation of Hip |
| Gemellus Inferior and Superior | Sacral Plexus | External Rotation of Hip |
| Obturator Internus | Sacral Plexus | External Rotation of Hip |
| Obturator Externus | Obturator Nerve | External Rotation of Hip |
| Quadratus Femoris | Sacral Plexus | External Rotation of Hip |
| Gluteus Maximus | Inferior Gluteal Nerve | External Rotation of Hip |
| Semitendinosus | Sciatic Nerve - Tibial Division | Medial Rotation of Knee |
| Semimembranosus | Sciatic Nerve - Tibial Division | Medial Rotation of Knee |
| Popliteus | Tibial Nerve | Medial Rotation of Knee |
| Biceps Femoris | Sciatic Nerve - Tibial Div; Sciatic Nerve - Peroneal Div | Lateral Rotation of Knee |
| Tensor Fascia Latae | Superior Gluteal Nerve | 2* Hip Flexion |
| Adductor Brevis | Obturator Nerve | 2* Hip Flexion |
| Adductor Longus | Obturator Nerve | 2* Hip Flexion |
| Adductor Magnus (anterior head) | Obturator Nerve | 2* Hip Flexion |
| Rectus Femoris | Femoral Nerve | 2* Hip Flexion |
| Sartorius | Femoral Nerve | 2* Hip Flexion |
| Adductor Magnus (posterior head) | Sciatic Nerve | 2* Hip Extension |
| Tensor Fascia Latae | Superior Gluteal Nerve | 2* Hip Abduction |
| Sartorius | Femoral Nerve | 2* Hip Abduction |
| Pectineus | Femoral Nerve | 2* Hip Adduction |
| Sartorius | Femoral Nerve | 2* Knee Flexion |
| Gracilis | Obturator Nerve | 2* Knee Flexion |
| Gastroc | Tibial Nerve | 2* Knee Flexion |
| Plantaris | Tibial Nerve | 2* Knee Flexion |
| Popliteus | Tibial Nerve | 2* Knee Flexion |
| Tensor Fascia Latae | Superior Gluteal Nerve | 2* Knee Extension |
| Plantaris | Tibial Nerve | 2* Plantarflexion |
| Peroneus Longus | Superficial Peroneal Nerve | 2* Plantarflexion |
| Peroneus Brevis | Superficial Peroneal Nerve | 2* Plantarflexion |
| Tibialis Posterior | Tibial Nerve | 2* Plantarflexion |
| Flexor Hallucis Longus | Tibial Nerve | 2* Plantarflexion |
| Flexor Digitorum Longus | Tibial Nerve | 2* Plantarflexion |
| Extensor Digitorum Longus | Deep Peroneal Nerve | 2* Dorsiflexion |
| Peroneus Tertius | Deep Peroneal Nerve | 2* Dorsiflexion |
| Extensor Hallucis Longus | Deep Peroneal Nerve | 2* Dorsiflexion |
| Tensor Fascia Latae | Superior Gluteal Nerve | 2* Internal Rotation of Hip |
| Adductor Magnus (anterior head) | Obturator Nerve | 2* Internal Rotation of Hip |
| Sartorius | Femoral Nerve | 2* External Rotation of Hip |
| Iliopsoas | L2,3 Femoral Nerve | 2* External Rotation of Hip |
| Gracilis | Obturator Nerve | 2* Medial Rotation of Knee |
| Sartorius | Femoral Nerve | 2* Medial Rotation of Knee |