Origin
Insertion
Action
Innervation
Blood Supply
100
True or false: The origin of the tibialis anterior is the medial condyle of the tibia, proximal 1/3 of lateral surface of tibia, interosseous membrane, deep fascia and lateral intermuscular septum.
False- The origin of the tibialis anterior is the lateral condyle of the tibia, proximal 2/3 of lateral surface of tibia, interosseous membrane, deep fascia and lateral intermuscular septum.
100
Where does the gastrocnemius insert? a. lateral femoral condyle b. tuberosity of navicular bone with branches to sustentaculum tali c. lateral malleolus d. the calcaneous by means of the achilles tendon
d. the calcaneous by means of the achilles tendon
100
What is the action of the popliteus? a. unlock the knee b. flex the knee c. plantarflexion d. dorsiflexion
a. unlock the knee (screw home mechanism)
100
What is the primary innervation of the anterior compartment of the leg? a. deep fibular nerve b. tibial nerve c. superficial fibular nerve d. A & C
a. deep fibular nerve
100
The popliteal artery supplies which muscle? a. plantaris b. popliteus c. gastrocnemius d. B & C
d. B & C
200
Which of the following originates from the lower part of lateral supracondylar line of femur and from the public popliteal ligament of the knee joint? a. popliteus b. plantaris c. tibialis posterior d. B & C
B. Plantaris
200
True or False: Flexor helices longs inserts on the plantar surface of distal phalanx of great toe.
True
200
What is the difference between the actions of flexor hallucis longus and the flexor digitorum longus?
flexor hallucis longus flexes the great toe and the flexor digitorum longus flexes the lateral 4 toes
200
Which of the following is innervated by the superficial fibular nerve? a. fibularis brevis b. fibularis longus c. fibularis tertius d. A & B e. all of the above
d. A & B
200
The posterior tibial artery supplies which of the following? a. flexor hallucis longus b. soleus c. tibialis anterior d. extensor hallucis longus
b. soleus
300
Which of the following originates from the distal 1/3 of the anterior surface of the fibula, interosseous membrane, and adjacent intermuscular septum? a. fibularis longus b. fibularis brevis c. fibularis tertius d. extensor digitorum longus
c. fibularis terius
300
Which of the following have insertion points on the base of the 1st metatarsal? a. tibialis posterior b. fibularis brevis c. tibialis anterior d. fibularis longus e. C & D
e. C & D Tibialis anterior inserts on medial and inferior surfaces of medial cuneiform and adjacent surfaces on base of metatarsal I. Fibularis longus inserts on the undersurface of lateral sides of distal end of medial cuneiform and base of metatarsal I
300
Which of the following sets of muscles are involved in plantar flexion? a. gastrocnemius, tibialis posterior, tibialis anterior b. gastrocnemius, flexor hallucis longus, tibilais anterior c. tibialis posterior, soleus, plantaris d. gastrocnemius, soleus, tibialis anterior
c. tibialis posterior, soleus, plantaris
300
Which of the following are all innervated by the tibial nerve? a. soleus, popliteus, tibialis anterior b. soleus, popliteus, fibularis longus c. gastrocnemuis, plantaris, flexor digitorum longus
c. gastrocnemuis, plantaris, flexor digitorum longus
300
The tibialis anterior is supplied by: a. popliteal artery b. posterior tibial artery c. fibular artery d. none of the above
d. none of the above- anterior tibial artery
400
What is the origin of the gastrocnemius? (both heads)
Lateral head: lateral condyle and posterior surface of femur. Capsule of knee joint. Medial head: medial condyle and adjacent part of femur. Capsule of knee joint.
400
Which of the following does not have an insertion point at the fifth metatarsal? a. fibularis brevis b. fibularis tertius c. flexor digitorum longus
c. flexor digitorum longus- Tuberosity of navicular and adjacent region of medial cuneiform
400
Which of the following are involved in inversion of the foot? a. fibularis brevis b. tibialis anterior b. fibularis longus d. gastrocnemius
b. tibialis anterior
400
The extensor hallucis longs is innervated by: a. superficial tibial nerve b. deep tibial nerve c. deep fibular nerve d. superficial fibular nerve
c. deep fibular nerve
400
True or false: The fibular artery supplies both the fibularis longs and the fibularis tertius.
False- the fibular artery supplies the fibularis longus and the anterior tibial artery supplies the fibularis tertius
500
19. What is the origin (O) and innervation (I) of the fibularis longus? a. (O) Lateral aspect of fibular head and lateral upper two thirds of lateral shaft of fibula; (I) common peroneal nerve b. (O) Lateral aspect of fibular head and lateral upper two thirds of lateral shaft of fibula; (I) superficial peroneal nerve c. (O) Lower two thirds of lateral shaft of fibula; (I) common peroneal nerve d. (O) Lower two thirds of lateral shaft of fibula; (I) superifical peroneal nerve e. (O) Lower two thirds of lateral shaft of fibula; (I) deep peroneal nerve
b. (O) Lateral aspect of fibular head and lateral upper two thirds of lateral shaft of fibula; (I) superficial peroneal nerve
500
What is the insertion of the tibialis posterior?
Mainly to tuberosity of navicular and adjacent region of medial/intermediate/lateral cuneiforms, base of 2-4th metatarsal (sometimes 5th)
500
List all the muscles that dorsiflex the foot.
tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis tertius
500
Name 3 muscles innervated by the tibial nerve.
gastrocnemius, soleus, plantaris, popliteus, flexor hallucis longus, flexor digitorum longus, tibialis posterior
500
Name 3 muscles supplied by the anterior tibial artery.
fibularis tertius, extensor digitorum longus, extensor hallucis longus, tibialis anterior, flexor hallucis longus