Anterior Leg Flashcards
1
Q
Tibialis Anterior
A
Origin: Anterior proximal tibia, interosseous membrane
Insertion: Base of 1st MT and medial cuneiform
Action: Talocrural dorsiflexion, foot inversion
Innervation: Deep fibular nerve (L4, L5)
2
Q
Extensor Digitorum Longus
A
Origin: Proximal tibia and fibula
Insertion: Distal and middle phalanges 2-5
Action: digits 2-5 extension (MTP, PIP, DIP)
Innervation: Deep fibular nerve (L5, S1)
3
Q
Extensor Hallucis Longus
A
Origin: Anterior fibula, interosseous membrane
Insertion: Distal phalanx digit 1
Action: 1st MTP, IP extension
Innervation: Deep fibular nerve (L5, S1)
4
Q
Fibularis Tertius
A
Origin: Distal fibula
Insertion: shaft of 5th MT
Action: Talocrural dorsiflexion, foot eversion
Innervation: Deep fibular nerve (L5, S1)
