| Gastrocnemius | Origin: Posterior surface of medial and lateral epicondyles (femur)
Insertion: Posterior Calcaneus (via Achilles Tendon)
Action: Flexes leg at knee, Plantar flex foot
Innervation: tibial nerve |
| Plantaris | Origin: Posterior surface of femur Proximal to lateral epicondyle
Insertion: Posterior Calcaneus (via Achilles Tendon)
Action: flex leg at the knee, plantar flex foot
Innervation: Tibial Nerve |
| Soleus | Origin: Posterior surface of proximal Tibia and Fibula
Insertion: Posterior Calcaneus (via Achilles Tendon)
Action: Plantar Flex Foot
Innervation: Tibial Nerve |
| Tibialis Posterior *Tom* | origin: Posterior surface of Tibia, Fibula, Interosseous Membrane
Insertion: Navicular, Cuneiforms, Metatarsals 2-4
Action: Plantar flexes and inverts foot
Innervation: Tibial Nerve |
| Flexor Digitorum Longus | Origin: Posterior Surface of Middle Tibia
Insertion: Distal Phalanges of toes 2-5
Action: Plantar flexes foot, and flexes toes 2-5
Innervation: Tibial Nerve |
| Flexor Hallucis Longus *Harry* | Origin: Posterior Surface of Distal Fibula
Insertion: Distal phalanx of hallux
Action: Plantar Flexes foot, Flexes Big toes
Innervation: Tibial Nerve |
| Fibularis Longis | Origin: Lateral Surface of Proximal Fibula
Insertion: Metatarsal 1 and medial Cuneiform
Action: Plantar Flex and Evert Foot
Innervation: Common Fibular Nerve |
| Fibularis Brevis | Origin: Lateral Surface of distal Fibula
Insertion: Dorsal Surface of Metatarsal 5
Action: Plantar Flexes and Evert Foot
Innervation: Common Fibular Nerve |
| Tibialis Anterior *Tina* | Origin: Lateral Surface of Proximal Tibia
Insertion: Metatarsal 1 and Medial Cuneiform
Action: Dorsiflex and Invert Foot
Innervation: Common Fibular Nerve |
| Extensor Digitorum Longus *Diane* | Origin: Anterior Surface of Fibula and Interosseous Membrane
Insertion: Distal phalanges of toes 2-5
Action: Dorsiflex and extend toes 2-5
Innervation: Common Fibular Nerve |
| Extensor Hallucis Longus | Origin: Anterior surface of Fibula and Interosseous Membrane
Insertion: Distal Phalanx of Hallux
Action: Dorsiflex foot and extend Hallux
Innervation: Common Fibular Nerve |
