PAS 407- Anterolateral Leg UPDATED ACTUAL Questions and CORRECT
Answers
What is the action of the muscles in the anterior compart-
dorsiflexion and digital extension
ment of the leg?
anterior tibial artery
What is the vascular supply?
deep fibular nerve
What is the innervation?
What is the action of the muscles in the lateral compart-
ankle eversion and plantarflexion
ment of the leg?
fibular artery
What is the vascular supply?
superficial fibular nerve
What is the innervation?
1) tibialis anterior
What muscles are found in the anterior compartment of 2) extensor digitorum longus
the leg? 3) extensor hallucis longus
4) fibularis tertius
superficial and medial in the anterior compartment
Where is the tibialis anterior found?
top half of lateral tibia and medial interosseus membrane
Origin of tibialis anterior
inferior medial cuneiform and base of 1st metatarsal
, Insertion of tibialis anterior
ankle inversion and dorsiflexion
Action of tibialis anterior
superficial and lateral in the anterior compartment
Where is the extensor digitorum longus?
medial surface of fibula, part of lateral interosseous mem-
brane, and lateral tibial condyle
Origin of extensor digitorum longus
four tendons that pass under extensor retinaculum
What does the extensor digitorum split into distally?
Insertion of extensor digitorum longus 2/8
Answers
What is the action of the muscles in the anterior compart-
dorsiflexion and digital extension
ment of the leg?
anterior tibial artery
What is the vascular supply?
deep fibular nerve
What is the innervation?
What is the action of the muscles in the lateral compart-
ankle eversion and plantarflexion
ment of the leg?
fibular artery
What is the vascular supply?
superficial fibular nerve
What is the innervation?
1) tibialis anterior
What muscles are found in the anterior compartment of 2) extensor digitorum longus
the leg? 3) extensor hallucis longus
4) fibularis tertius
superficial and medial in the anterior compartment
Where is the tibialis anterior found?
top half of lateral tibia and medial interosseus membrane
Origin of tibialis anterior
inferior medial cuneiform and base of 1st metatarsal
, Insertion of tibialis anterior
ankle inversion and dorsiflexion
Action of tibialis anterior
superficial and lateral in the anterior compartment
Where is the extensor digitorum longus?
medial surface of fibula, part of lateral interosseous mem-
brane, and lateral tibial condyle
Origin of extensor digitorum longus
four tendons that pass under extensor retinaculum
What does the extensor digitorum split into distally?
Insertion of extensor digitorum longus 2/8
