Leg_Anterior compartment

Question 1

Tibialis Anterior

Answer 1

makes stirrup with peroneus longus

Proximal Attch: anterior/lateral/superior 1/2 of tibia,
interosseous membrane

Distal Attch: base of 1st MT,
1st (medial) cuneiform (plantar surface)

Action: dorsiflexion
inversion

Fiber direction: vertical

Palpation:
Activate:

Question 2

Extensor Digitorum Longus

Answer 2

Proximal Attch: proximal 3/4 of anterior fibula,
interosseous membrane

Distal Attch: middle/distal phalanges of lateral 4 toes (dorsal surface)

Action: 2nd-5th toe extension
dorsiflexion
eversion

Fiber direction: vertical

Palpation:
Activate:

Question 3

Extensor Hallucis Longus

Answer 3

Proximal Attch: anterior middle fibula,
interosseous membrane

Distal Attch: base of distal phalanx of 1st toe (dorsal surface)

Action: 1st toe extension
dorsiflexion (assists)

Fiber direction: vertical

Palpation:
Activate: