ankle & foot

Question 1

Gastrocnemius

Answer 1

O: two heads, one above each femoral condyle
I: a broad aponeurosis into the achilles
A: knee flexion and ankle plantarflexion

Question 2

Soleus

Answer 2

O: popliteal line of the tibia, upper 1/3 of the posterior fibula
I: a tendonous aponeurosis on the posterior surface of the muscle narrowing into tendon of the gastro
A: ankle plantar flexion

Question 3

Posterior Tibialis

Answer 3

O: posterior surface of the interposes membrane and the adjacent tibial and fibula
I: Tuberosity of the navicular, fibrous expansion to adjacent tarsal goes and the bases of the metatarsals
A: Inversion and assists in plantar flexion of the ankle

Question 4

Flexor Digitorum Longus

Answer 4

O: Tibia, below populates
I: The tendon enters the sole of the foot near the sestentaculum talk and divides into 4 tendons that attach into the bases of the distal phalanges of the 2-5 digits
A: Flex MTP and IP jts and plantar flexion of the ankle

Question 5

Flexor hallicus longus

Answer 5

O: posterior surface of the fibula and inter muscular septa
I: base of the distal phalanx of the great toe
A: Flexion of the great toe MTP and IP its and ankle plantarflexion

Question 6

Fibularis Longus

Answer 6

O: major attachement: near head of the fibula. Secondaary attachments: tibia, fibula, and inter muscular septum
I: plantar surface of the 1st cuneiform and base of 1st metatarsal
A: eversion and planter flexion of the ankle, depression of the head of the first metatarsal

Question 7

FIbularis Brevis

Answer 7

O: fibula, lower than the longs
I: Dorsal surface of the tuberosity of the 5th metatarsal
A: Eversion/plantarflexion of the ankle

Question 8

Anterior Tibialis

Answer 8

O: lateral tibial plateu, proximal 1/2 of fibula, interosseus membrane
I: medial cuneiform, base of the 1st metatarsal
A: Dorsiflexion of the ankle

Question 9

Extensor Hallicus Longus

Answer 9

O: middle fibula, interosseus membrane
I: base of distal phalanx of great toe
A: Extension of the 1st MTP, IP its and dorsiflexion

Question 10

Extensor Digitorum Longus

Answer 10

O: upper part of the tibia and fibula, interposes membrane, inter muscular septa and fascia
I: 4 tendons go to the bases of the middle and distal phalanges of the 4 lesser toes
A: Extend MTP, IP jts of 4 lesser toes. dorsiflexion and eversion of the ankle

Question 11

Extensor Digitorum Brevis

Answer 11

O: dorsolateral surface of the foot
I: 4 tendons attach to base of the proximal phalanx of great toe and lateral sides of the EDL tendons of the 2-4 digits
A; Extension of the MTP its of the medial 4 toes