BIOL 241 Unit 3 Leg Muscles Flashcards
Gastrocnemius - lateral head : O
lateral epicondyle of femur
Gastrocnemius - lateral head : I
calcaneal tuberosity
Gastrocnemius - lateral head : N
Tibial nerve
Gastrocnemius - lateral head : FXN
plantarflexes foot
Gastrocnemius - medial head : O
medial epicondyle of femur
Gastrocnemius - medial head : I
calcaneal tuberosity
Gastrocnemius - medial head : N
Tibial nerve
Gastrocnemius - medial head : FXN
plantarflexes foot
Plantaris : O
lateral supracondylar ridge of femur
Plantaris : I
calcaneal tuberosity
Plantaris : N
Tibial nerve
Plantaris : FXN
plantarflexes foot
Soleus : O
soleal line of tibia
Soleus : I
calcaneal tuberosity
Soleus : N
Tibial nerve
Soleus : FXN
plantarflexes foot
Popliteus : O
lateral condyle of femur
Popliteus : I
medial aspect of back of tibia above soleal line
Popliteus : N
Tibial nerve
Popliteus : FXN
medially rotates leg
Tibialis Posterior (TOM) : O
interosseus membrane (adjacent to fibula & tibia)
Tibialis Posterior (TOM) : I
underside of navicular bone of foot
Tibialis Posterior (TOM) : N
Tibial nerve
Tibialis Posterior (TOM) : FXN
plantarflexes foot
Flexor Digitorum Longus (DICK) : O
medial part of back of tibia shaft
Flexor Digitorum Longus (DICK) : I
distal phalanx of 1 of 4 lateral toes
Flexor Digitorum Longus (DICK) : N
Tibial nerve
Flexor Digitorum Longus (DICK) : FXN
flexes toes 2-5
Flexor Hallucis Longus (HARRY) : O
lower 2/3 of back of femur
Flexor Hallucis Longus (HARRY) : I
distal phalanx of the hallux
Flexor Hallucis Longus (HARRY) : N
Tibial nerve
Flexor Hallucis Longus (HARRY) : FXN
flexes the hallux
Tibialis Anterior : O
lateral, proximal 1/2 of tibia shaft
Tibialis Anterior : I
base of 1st metatarsal
Tibialis Anterior : N
Deep Fibular nerve
Tibialis Anterior : FXN
dorsiflexes foot
Extensor Digitorum Longus : O
interosseus membrane
Extensor Digitorum Longus : I
distal phalanxes of toes 2-5
Extensor Digitorum Longus : N
Deep Fibular nerve
Extensor Digitorum Longus : FXN
extends toes 2-5
Extensor Hallucis Longus : O
anterior edge of fibula
Extensor Hallucis Longus : I
distal phalanx of hallux
Extensor Hallucis Longus : N
Deep Fibular nerve
Extensor Hallucis Longus : FXN
extends the hallux
Fibularis (Peroneus) Tertius : O
inferior quarter of fibula
Fibularis (Peroneus) Tertius : I
base of 5th metatarsal
Fibularis (Peroneus) Tertius : N
Deep Fibular nerve
Fibularis (Peroneus) Tertius : FXN
dorsiflexes the foot
Fibularis (Peroneus) Longus : O
proximal 2/3 of fibula
Fibularis (Peroneus) Longus : I
base of 1st metatarsal
Fibularis (Peroneus) Longus : N
Superficial Fibular nerve
Fibularis (Peroneus) Longus : FXN
plantarflexes foot
Fibularis (Peroneus) Brevis : O
distal 2/3 of fibula
Fibularis (Peroneus) Brevis : I
base of 5th metatarsal
Fibularis (Peroneus) Brevis : N
Superficial Fibular nerve
Fibularis (Peroneus) Brevis : FXN
plantarflexes foot
Extensor Digitorum Brevis : O
*only Dorsal compartment muscle in the foot
superior calcaneus
Extensor Digitorum Brevis : I
*only Dorsal compartment muscle in the foot
proximal phalanxes of toes 2-4
Extensor Digitorum Brevis : N
*only Dorsal compartment muscle in the foot
Deep Fibular nerve
Extensor Digitorum Brevis : FXN
*only Dorsal compartment muscle in the foot
extends toes 2-4
Extensor Hallucis Brevis : N
Deep Fibular nerve
Extensor Hallucis Brevis : FXN
extends the hallux
Flexor Digitorum Brevis : O
calcaneal tuberosity
Flexor Digitorum Brevis : I
middle phalanxes of 4 lateral toes
Flexor Digitorum Brevis : N
Medial Plantar nerve
Flexor Digitorum Brevis : FXN
flexes 4 lateral toes
Abductor Hallucis : O
calcaneal tuberosity
Abductor Hallucis : I
base of proximal phalanx of the hallux
Abductor Hallucis : N
Medial Plantar nerve
Abductor Hallucis : FXN
abducts the hallux
Flexor Hallucis Brevis : N
Medial Plantar nerve
Flexor Hallucis Brevis : FXN
flexes the hallux
Quadratus Plantae : N
Lateral Plantar nerve
Quadratus Plantae : FXN
flexes toes 2-5