Lecture 19: Anterior Compartment (lower leg) Flashcards
1
Q
all the muscles in this compartment are innervated by ____
A
deep fibular n L4,L5
2
Q
tibialis anterior
A
- P: tibia, fibula, interosseous membrane
- D: base of 1st metatarsal
- A: inversion of intertarsal joints; dorsiflexion of ankle
3
Q
extensor digitorum longus
A
- P: tibia, fibula, interosseous membrane
- D: extensor expansion of digits 2-5
- Action: dorsiflexion at ankle; extension at digits 2-5
4
Q
extensor hallucis longus
A
- P: tib, fib, interosseous
- D: dorsal aspect of distal phalanx of hallux
- Action: dorsiflex @ ankle, extend @ digit 1
5
Q
fibularis tertius
A
- P: fibula
- D: base of 5th metatarsal
- Action: eversion @ intertarsal joint, dorsiflex @ ankle
