Lat/Ant Leg and Dorsum of Foot Flashcards
Tibialis Anterior Action
Ankle DF
Assists in inversion
Tibialis Anterior PI
Fibular (Deep Peroneal) N.
Tibialis Anterior SI
L4, 5, S1
Extensor Digitorum Longus Action
Extend MTP joints
Assists in extension of IP 2-5, DF, and EV
Extensor Digitorum Longus PI
Fibular (Deep Peroneal) N.
Extensor Digitorum Longus SI
L4, 5, S1
Fibularis (Peroneus) Tertius Action
Ankle DF
Foot eversion
Fibularis (Peroneus) Tertius PI
Fibular (Deep Peroneal) N.
Fibularis (Peroneus) Tertius SI
L4, 5, S1
EHB Action
Great toe MTP Extension
EHB PI
Fibular (Deep Peroneal) N.
EHB SI
L4, 5, S1
Tibialis Anterior Origin
Lateral condyle of tibia
Proximal 3/4 of anterior surface of body of fibula
Proximal part of interosseous membrane
Adjacent intermuscular septa and deep fascia
Tibialis Anterior Insertion
By 4 tendons to the 2-5th digits
Each tendon forms and expansion on the dorsal surface of the toe and divides into an intermediate slip
Attached to base of middle phalanx and into 2 lateral slips attached to bases of distal phalnx
Fibularis (Peroneous) Tertius Orgin
Distal 1/3 of anterior surface of fibula
Interosseous membrane and adjacent intermuscular septa
Fibularis (Peroneous) Tertius Insertion
Dorsal surface, base of 5th metatarsal
EHB Origin
Distal part of superior and lateral surfaces of calcaneus
Lateral talocalcaneal ligament
Apex of inferior extensor retinaculum
EHB Insertion
Dorsal surface of base of proximal phalanx of great toe
