Week 8 Muscle Quiz

Question 0

Soleus

Answer 0

O. Posterior tibia and fibula
I. Posterior calcaneus
A. Ankle plantar flexion
N. Tibial nerve (S1, S2)

Question 1

Gastrocnemius

Answer 1

O. Medial and lateral condyles of femur
I. Posterior calcaneus
A. Knee flexion, ankle plantar flexion
N. Tibial nerve (S1, S2)

Question 2

Tibialis Anterior

Answer 2

O. Lateral tibia and interosseous membrane
I. First cuneiform and first metatarsal
A. Ankle inversion and dorsiflexion
N. Deep peroneal nerve (L4, L5, S1)

Question 3

Extensor Hallucis Longus

Answer 3

O. Fibula and interosseous membrane
I. Distal phalanx of great toe
A. Extends first toe; assists in ankle inversion and dorsiflexion
N. Deep peroneal nerve (L4, L5, S1)

Question 4

Extensor Digitorum Longus

Answer 4

O. Fibula, interosseous membrane, tibia
I. Distal phalanx of digits 2-5
A. Extends digits 2-5, assists in ankle dorsiflexion
N. Deep peroneal nerve (L4, L5, S1)

Question 5

Extensor Digitorum Brevis

Answer 5

O. Dorsal & lateral surface of the calcaneus
I. Lateral sides of the extensor digitorum Longus tendon to digits 2-4
A. Extend digits 2-4
N. Deep Fibular

Question 6

Tibialis Posterior

Answer 6

O. Interosseous membrane, adjacent tibia and fibula
I. Navicular and most tarsals and metatarsals
A. Ankle inversion; assists in plantar flexion
N. Tibial nerve (L5, S1)

Question 7

Flexor Digitorum Longus

Answer 7

O. Posterior tibia
I. Distal phalanx of digits 2-5
A. Flexes digits 2-5; assists in ankle inversion and plantar flexion of the ankle
N. Tibial nerve (L5, S1)

Question 8

Flexor Digitorum Brevis

Answer 8

O. Medial process of calcaneal Tuberosity
I. Lateral surface of middle phalanx of digits 2-5
A. Flexes digits 2-5
N. Medial plantar nerve

Question 9

Flexor Hallucis Longus

Answer 9

O. Posterior fibula and interosseous membrane
I. Distal phalanx of the great toe
A. Flexes great toe; assists in inversion and plantar flexion of the ankle
N. Tibial nerve (L5, S1, S2)

Question 10

Peroneus Longus

Answer 10

O. Lateral proximal fibula and interosseous membrane
I. Plantar surface of first cuneiform and metatarsal
A. Ankle eversion; assists in ankle plantar flexion
N. Superficial Peroneal nerve (L4, L5, S1)

Question 11

Peroneus Brevis

Answer 11

O. Lateral distal fibula
I. Base of fifth metatarsal
A. Ankle eversion; assists in plantar flexion
N. Superficial peroneal nerve (L4, L5, S1)

Question 12

Peroneus Tertius

Answer 12

O. Distal medial fibula
I. Base of fifth metatarsal
A. Assists somewhat in ankle eversion and dorsiflexion
N. Deep peroneal nerve (L4, L5, S1)