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Lower leg and foot
lower leg/foot
| Question | Answer |
|---|---|
| Action of the Gastrocnemius | Flexes the knee and Plantar flexion of the ankle |
| Origin of Gastroc. | Condyles of femur (posterior surfaces) |
| Insertion of Gastroc. | Calcaneus |
| Nerve of Gastroc. | Tibial S1,2 |
| Action of the Soleus | Plantar Flexion of the ankle |
| O- Soleus | Soleal Line, proximal, posterior surface of Tibia and posterior aspect of head of Fibula |
| I- Soleus | Calcaneus |
| N- Soleus | Tibial L5,S1,S2 |
| Action of Plantaris | Plantar Flexion of ankle and knee flexion |
| O- Plantaris | Lateral Supracondylar line of femur |
| I- Plantaris | Calcaneus |
| N- Plantaris | Tibial L4,5,S1,S2 |
| Action of Popliteus | Flex knee and Internally rotate knee |
| O- Popliteus | Lateral condyle of the femur |
| I- Popliteus | Proximal, posterior aspect of tibia |
| N- Popliteus | Tibial L4,5,S1 |
| Action of Peroneus Longus | Evert the foot and plantar flexion of the ankle |
| O- Peroneus Longus | Head of fibula and proximal 2/3 of lateral fibula |
| I- Peroneus Longus | Base of 1st metatarsal and medial cuneiform |
| N- Peroneus Longus | Superficial Peroneal L4,5,S1 |
| Action of Peroneus Brevis | Eversion of foot and plantar flexion of the ankle |
| O- Peroneus Brevis | Distal 2/3 of lateral fibula |
| I- Peroneus Brevis | Tuberosity of 5th metatarsal |
| N- Peroneus Brevis | Superficial Peroneal L4,5,S1 |
| Action of Tibialis Anterior | Inversion of the foot and Dorsiflexion of the ankle |
| O- Tibialis Anterior | Lateral condyle of tibia, proximal, lateral surface of tibia and interosseous membrane |
| I - Tibialis Anterior | Medial cuneiform and base of 1st metatarsal |
| N- Tibialis Anterior | Deep Peroneal L4,5,S1 |
| Extensor Digitorum Longus Action | Extend 2nd- 5th toes. (metatarsaophalangeal and interphalangeal joints) |
| O- Extensor Digitorum Longus | Lateral condyle of tibia; proximal, anterior shaft of fibula and interosseous membrane |
| I- Extensor Digitorum Longus | Middle and distal phalanges of 2nd through 5th toes |
| N- Extensor Digitorum Longus | Peroneal L4,5,S1 |
| Extensor Hallucis Longus Action | Extends 1st toe, dorsiflexion the ankle, and Inverts the foot |
| O- Extensor Hallicus Longus | Middle anterior surface of fibula and interosseous membrane |
| I- Extensor Hallicus Longus | Distal phalanx of first toe |
| N- Extensor Hallicus Longus | Deep peroneal L4,5,S1 |