Muscles that move the leg, foot, and toes

Question 1

This muscle’s origin is the ischial tuberosity and linea aspera of the femur, inserts in the head of the fibula and lateral condyle of the tibia, and the action is flexion at the knee, also extension and lateral rotation at the hip.

Answer 1

Biceps femoris

Question 2

This muscle originates at the ischial tuberosity, inserts at the posterior surface of the medial comdyle of the tibia, and its action is flexion at the knee and extension and medial rotation at the hip.

Answer 2

Semimembranosus

Question 3

This muscle originates at the ischial tuberosity, inserts at the proximal medial surface of the tibia, and its actions is flexion at the knee and extension and medial rotation at the hip.

Answer 3

Semitendinosus

Question 4

This muscle originates at the anterior superior spine of the ilium, inserts at the medial surface of the tibia near the tibial tuberosity, and its action is flexion at the knee and flexion and lateral rotation at the hip.

Answer 4

Sartorius

Question 5

This muscle originates at the lateral condyle of the femur, inserts at the posterior surface of the proximal tibial shaft, and its action is to rotate the tibia medially (or rotate the femur laterally) and flexion at the knee.

Answer 5

Popliteus

Question 6

This muscles action is extension at the knee and flexion at the hip, it inserts at the tibial tuberosity by way of the patellar ligament, and originates at the anterior inferior iliac spine and the superior acetabular rim of the ilium.

Answer 6

Rectus femoris

Question 7

This muscles action is extension at the knee, it inserts at the tibial tuberosity by way of the patellar ligament, and originates at the anterior and lateral surface of the femur along the linea aspera.

Answer 7

Vastus intermedius

Question 8

This muscles action is extension at the knee, the tibial tuberosity by way of the patellar ligament, and originates anterior and inferior to the greater trochanter of the femur and along the linea aspera.

Answer 8

Vastus lateralis

Question 9

This muscles action is extension at the knee, the tibial tuberosity by way of the patellar ligament, and it originates from the entire length of the linea aspera of the femur.

Answer 9

Vastus medialis

Question 10

This muscle inserts at the base of the first metatarsal, originates at the lateral condyle and proximal shaft of the tibia, and the action is dorsiflexion at the ankle; inversion of the foot

Answer 10

Tibialis anterior

Question 11

This muscle inserts at the calcaneus by way of the calcaneal tendon, it inserts at the femoral condyles and the action s plantar flexion; inversion and adduction of the foot; and flexion at the knee.

Answer 11

Gastrocnemius

Question 12

This muscle inserts at the bases of the first and fifth metatarsal bones, it originates at the fibula and lateral condyle of the tibia, and its action is eversion of the foot and plantar flexion at the ankle.

Answer 12

Fibularis

Question 13

This muscle inserts at the calcaneus by way of the calcaneus tendon, it originates at the head and proximal shaft of the fibula and the adjacent shaft of the tibia, and the action is plantar flexion at the ankle; adduction of the foot.

Answer 13

Soleus

Question 14

This muscle inserts at the tarsal and metatarsal bones, it originates at the connective tissue membrane and adjacent shafts of the tibia and fibula, and its action is adduction and inversion of the foot; plantar flexion at the ankle.

Answer 14

Tibialis posterior

Question 15

This muscle originates at the posterior and medial surface of the tibia, inserts at the inferior surface of the phalanges and toes 2-5, and its action is flexion at joints of toes 2-5.

Answer 15

Flexor digitorum longus

Question 16

This muscle inserts at the inferior surface, distal phalanx of the great toe, originates at the posterior surface of the fibula, and its action s flexion of joints at the great toe.

Answer 16

Flexor hallucis longus

Question 17

This muscles action is extension of joints of toes 2-5, it inserts at the superior surfaces of phalanges, toes 2-5, and originates at the lateral condyle of the tibia; anterior surface of the fibula.

Answer 17

Extensor digitorum longus

Question 18

This muscle originates at the anterior surface of the fibula, inserts at the superior surface, distal phalanx of the great toe, and its action is extension of the joints at the great toe.

Answer 18

Extensor hallucis longus