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Glossary of Anatomy leg and foot

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Gastrocnemius
O: Medial head - medial condyle and femur above
Lateral Head - lateral condyle and femur above
I: calcaneal tendon into calcaneous
A: flexes leg and plantar flexes foot
All posterior leg muscles
Tibial Nerve
Soleus
Head and upper fibula, upper medial tibia
I: calcaneal tendon into calcaneous
A: plantar flex foot
Deep Posterior Leg Compartment
Flexor Hallucis Longus
O: posterior fibula and IM
I: big toe
A: flexes big toe, plantar flexes, and inverts foot

Flexor Digitorum Longus
O: Posterior tibia
I: distal phalanx of lateral 4 toes
A: flex toes (both joints), plantar flexes, and inverts foot
Tibialis posterior
O: posterior tibia, IM, fibula
I: Navicular, 3 cuneiforms, cuboid, base of metatarsals 2,3,4
A: plantar flexes, adducts, and inverts foot, supports arch
plantaris muscle
not functionally that important, but used in tendon harvest
Located in posterior knee
Talar Shelf
???
FHL runs inferior to this
Muscles of the Anterior Leg Compartment
All inervated by the deep fibular nerve (AKA peroneal)
Tibialis Anterior
O: Lateral Tibial condyle, lateral tibial shaft, and IM
I: Base of 1st metatarsal and 1st cuneiform
A: Dorsiflexes foot at ankle joint, inverts foot at intertarsal joint
Extensor Digitorum
O: Lateral tibial condyle, anterior crest of fibula, IM
I: Base of 2nd and terminal phalanges of lateral 4 toes
A: Extends toes, dorsiflexes foot, and everts foot
Extensor Hallucis Longus
O: Middle anterior fibula, interosseus membrane
I: Base distal phalanx of big toe
A: Extends big toe, everts foot
N: Deep fibular (peroneal)
Lateral Compartment
Are both innervated by the superficial fibular (peroneal) nerve.
Peroneus (fibularis) longus
O: Lateral tibial condyle; head of fibula; middle lateral fibula
I: Inf. 1st cuneiform and lateral 1st metatarsal
A: Plantar flexes foot; everts foot, and supports arch
N: Superficial peroneal (fibular)
Peroneus (fibularis) brevis
O: middle lateral Fibula
I: dorsal surface of tuberosity 5th metatarsal
A: everts foot and plantar flex foot
N: Superficial peroneal (fibular)
Extensor Retinaculum
Superior and Inferior
Dorsalis Pedis pulse
What tendons is this between?

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