Knee Region Flashcards
Tibialis Anterior
O: Lateral surface of shaft of tibia and interosseous
membrane
I: Medial cuneiform and base of first metatarsal
N: Deep peroneal nerve
A: Extends foot, inverts foot
B: Anterior tibial artery
Extensor Digitorum Longus
O: Anterior surface of shaft of fibula
I: Extensor expansion of lateral four toes
N: Deep peroneal nerve
A: Extends toes
B: Anterior tibial artery
Peroneus Tertius
O: Anterior surface of shaft of fibula
I: Base of fifth metatarsal bone
N: Deep peroneal nerve
A: Extends foot, everts foot
B: Anterior tibial artery
Extensor Hallucis Longus
O: Anterior surface of shaft of fibula
I: Base of distal phalanx of great toe
N: Deep peroneal nerve
A: Extends big toe; extends foot, inverts foot
B: Anterior tibial artery
Extensor Digitorum Brevis
O: Calcaneum
I: By four tendons into the proximal phalanx of big toe and long extensor
tendons to second, third, and fourth toes
N: Deep peroneal nerve
A: Extends the 2nd to 4th toes
B: Dorsalis pedis artery
Peroneus Longus
O: Lateral surface of shaft of fibula
I: Base of first metatarsal, medial cuneiform
N: Superficial peroneal nerve
A: Plantar flexes joint; everts foot
B: Fibular (peroneal) artery
Peroneus Brevis
O: Lateral surface of fibula
I: Base of fifth metatarsal bone
N: Superficial peroneal nerve
A: Plantar flexes; everts foot
B: Fibular (peroneal) artery
Gastrocnemius
O: Lateral head from
lateral condyle of femur
and medial head from
above medial condyle
I: Via tendo calcaneus
into posterior surface of
calcaneum
N: Tibial nerve
A: Plantar flexes; flexes knee joint
B: Popliteal Artery
Plantaris
O: Latera, supracondylar
ridge of femur
I: Posterior surface of
calcaneum
N: Tibial nerve
A: Plantar flexes
B: Popliteal Artery
Soleus
O: Shafts of tibia and fibula
I: Via tendo calcaneus into posterior surface of calcaneum
N: Tibial nerve
A: plantar flexor
B: Popliteal Artery
Popliteus
O: Lateral surface of
lateral condyle of femur
I: Posterior surface of
shaft of tibia
N: Tibial nerve
A: Flexes leg, unlocks knee joint
B: Popliteal Artery
Flexor Digitorum Longus
O: Posterior surface of shaft of tibia
I: Bases of distal phalanges of lateral
four toes
N: Tibial nerve
A: Flexes distal phalanges of lateral four toes; plantar flexes
B: Posterior tibial artery
Flexor Hallucis Longus
O: Posterior surface of
shaft of fibula
I: Base of distal phalanx
of big toe
N: Tibial nerve
A: Flexes distal phalanx of big toe; plantar flexes
B: Fibular (peroneal) artery
Tibialis Posterior
O: Posterior surface of
shaft of tibia and fibula
and interosseous
membrane
I: Tuberosity of navicular
bone
N: Tibial nerve
A: Plantar flexes; inverts foot
B: Fibular Artery
