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Knee Attach & Action


Soleus (the calf) Proximal Third of Tibia & Fibula TO Calcaneus
Plantaris Distal Femur TO Calcaneus
Gastrocnemius Medial Femoral Condyle; Lateral Femoral Condyle TO Calcaneus
Popliteus Lateral Femoral Condyle &lateral meniscus TO Posterior tibia
Flexor Digitorum Longus Posterior Midshaft of Tibia TO Bases of Distal Phalanges 2-5
Flexor Hallucis Longus Inferior Posterior Fibula TO Base of Distal Phalanx I
Tibialis posterior Inteross mem; post tib & fib TO Tuberosity of nav, cuboid, & cuneiform; base of MC 2-4
Tibialis Anterior Lat Tibial Condyle; Lateral Tibial Shaft TO Medial Cuneiform; Base of Metatarsal 1
Extensor Hallucis Longus Anterior Fibula & inteross mem TO Dorsal Distal Phalanx of Digit I
Extensor Digitorum Longus Lateral tibia condyle; Medial Fibular Shaft; inteross mem TO Middle & distal Phalanges 2-5
Fibularis (Peroneus) Longus Lateral surface of Fibula TO Base of First Metatarsal; Medial Cuneiform Bone; Runs across sole of foot to insert on base of first metatarsal
Fibularis brevis Lateral surface of Fibula TO base of 5th metatarsal
Action: Soleus (the calf) plantarflex ankle
Action: Plantaris Weakly flex knee, plantarflex ankle
Action: Gastrocnemius flex knee; plantarflex ankle
Action: Popliteus Unlocks extended knee (rotates femur laterally)
Action: Flexor Digitorum Longus Flex digits 2-5 at MTP, PIP, and DIP joints; Plantar flex ankle
Action: Flexor Hallucis Longus Flex hallux (big toe) at MTP and IP joints; Weakly plantar flex ankle
Action: Tibialis posterior Plantar flex ankle; Invert foot
Action: Tibialis Anterior Dorsiflex ankle, invert foot, support medial arch of foot
Action: Extensor Hallucis Longus Extend hallux, dorsiflex ankle
Action: Extensor Digitorum Longus Dorsiflex ankle, extend digits 2-5; form dorsal digital expansions
Action: Fibularis (Peroneus) Longus Supports arch of foot; evert foot; weakly plantar flex
Action: Fibularis brevis Supports arch of foot; evert foot; weakly plantar flex
Created by: Abarnard