Flashcards in Leg Muscles Deck (59)
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1
muscles of anterior compartment of leg
tibialis anterior
extensor hallucis longus
entensor digitorum ongus
peroneus tertius
2
tibialis anterior
-origin
lateral condyle of tibia
superior 1/2 of lateral tibia
3
tibialis anterior
-insertion
medial and inferior surface of
-medial cuneiform
-1st metatarsal
4
tibialis anterior
-actions
foot dorsiflexion
foot inversion
supports the medial longitudinal arch
5
tibialis anterior
-innervation
deep fibular nerve (L4, L5)
6
extensor hallucis longus
-origin
middle part of anterior surface of fibula
interosseus membrane
7
extensor hallucis longus
-insertion
dorsal aspect of base of distal phalanx of hallux
8
extensor hallucis longus
-actions
hallux extension
foot dorsiflexion
9
extensor hallucis longus
-innervation
deep fibular (L4, L5)
10
entensor digitorum longus
-origin
lateral condyle of tibia
superior 3/4 of anterior surface of fibula
interosseus membrane
11
entensor digitorum longus
-insertion
middle and distal phalanges of lateral 4 digits
12
entensor digitorum longus
-actions
extends lateral 4 digits
dorsiflexes foot
13
entensor digitorum longus
-innervation
deep fibular (L4, L5)
14
peroneus (fibular) tertius
-origin
inferior 1/3 of anterior surface of fibula
interosseus membrane
15
peroneus (fibular) tertius
-insertion
dorsum of base of 5th metatarsal
16
peroneus (fibular) tertius
-actions
foot dorsiflexion
aids in foot eversion
17
peroneus (fibular) tertius
-innervation
deep fibular (L4, L5)
18
muscle of lateral compartment of leg
peroneus longus
peroneus brevis
19
peroneus (fibular) longus
-origin
head and superior 2/3 of lateral surface of fibula
20
peroneus (fibular) longus
-insertion
base of first metatarsal
medial cuneiform
21
peroneus (fibular) longus
-actions
foot eversion
weak foot plantarflexion
tendon supports
-transverse arch
-medial longitudinal arch
-lateral longitudinal arch
22
peroneus (fibular) longus
-innervation
superficial fibular (L5, S1, S2)
23
peroneus brevis
-origin
inferior 2/3 of lateral surface of fibula
24
peroneus brevis
-insertion
dorsal surface of tuberosity on lateral side of base of 5th metatarsal
25
peroneus brevis
-actions
foot eversion
weak plantarflexion
26
peroneus brevis
-innervation
superficial fibular nerve (L5, S1, S2)
27
muscles of the superficial posterior compartment of the leg
gastrocnemius
soleus
plantaris
28
gastrocnemius
-origin
lateral head
-lateral aspect of lateral condyle of femur
medial head
-popliteal surface of femur, superior to medial condyle
29
gastrocnemius
-insertion
posterior surface of calcaneus via tendo calcaneus
30
