Ankle, foot, and toes O, I, and Nerve

Question 1

Tibialis anterior O, I, nerve

Answer 1

O: Lat condyle of tibia, sup/lat aspect of tibia. I: Med/Inf surface of 1st cuneiform, base of 1st metatarsal. Deep peroneal nerve L4, L5.

Question 2

Extensor hallucis longus O, I, nerve

Answer 2

O: Middle anterior surface of fibula, interosseus membrane. I: Dorsal surface of the base of distal phalanx of great toe. Deep peroneal nerve L5, S1.

Question 3

Peroneus tertius O, I, nerve

Answer 3

O: Inf 1/3 of ant. surface of fibula, interosseus membrane. I: Dorsum of bas of 5th metatarsal. Deep peroneal nerve L5, S1

Question 4

Extensor digitorum longus O, I, nerve

Answer 4

O: Lat. condyle of tibia, sup. 3/4 of ant. surface of fibula, interosseus membrane. I: Middle and distal phalanges of digits 2-5. Deep peroneal nerve L5, S1

Question 5

Peroneus longus O, I, nerve

Answer 5

O: Head and sup. 2/3 of lat. fibula. I: base of 1st metatarsal and 1st cuneiform. Superficial peroneal nerve L5, S1, S2

Question 6

Popliteus O, I, nerve

Answer 6

O: Lat. surface of lateral epicondyle of femur, LCL. I: post. surface of tibia sup. to soleal line. Tibial nerve L4, L5, S1

Question 7

Gastrocnemius O, I, nerve

Answer 7

O: Posterior femoral condyles. I: posterior calcaneus, via calcaneal tendon. Tibial nerve S1, S2

Question 8

Soleus O, I, nerve

Answer 8

O: Post. aspect of fibular head, sup. 1/4 post. surface of fibula, soleal line of medial border of tibia. I: Posterior calcaneus via calcaneal tendon.

Question 9

Flexor digitorum O, I, nerve

Answer 9

O: Post surface of tibia, inf. to soleal line, post. surface of fibula via broad aponeurosis. I: base of distal phalanx of digits 2-5. Tibial nerve S2, S3

Question 10

Flexor hallucis longus O, I, nerve

Answer 10

O: Inf 2/3 of post surface of post. surface of fibula, interosseus membrane. I: base of distal phalanx of great toe. Tibial nerve S2, S3

Question 11

Peroneus brevis O, I, nerve

Answer 11

O: Inferior 2/3 of lateral fibula. I: dorsal/lateral surface of tuberosity on base of 5th metatarsal. Superficial peroneal nerve L5, S1, S2

Question 12

Plantaris O, I, nerve

Answer 12

O: Lat. supracondylar line of femur, oblique popliteal line. I: posterior surface of calcaneus, via calcaneal tendon. Tibial nerve L4, L5, S1

Question 13

Tibialis Posterior O, I, nerve

Answer 13

O: Interosseus membrane, post. surface of tibia, inf. to soleal line, post. fibula. I: Tuberosity of navicular, tarsals, and base of metatarsals 2-4. Tibial nerve L4, L5