MMB[050] Back Of Leg

Question 1

Answer 1

Question 2

Origin and insertion of Gastrocnemius muscle ?

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Action of superficial group back of leg muscle ?

Answer 5

Question 6

Question 7

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

Answer 10

Question 11

Action of Flexor hallucis longus ?

Answer 11

1) Flexion of all joints of big toe.

2) Assists in plantar flexion of the foot.

3) Inversion of the foot.

4) Supports the medial longitudinal arch of foot.

Question 12

Answer 12

Question 13

Action of Flexor digitorum longus ?

Answer 13

1) Flexion of the metatarsophalangeal and interphalangeal joints of the lateral 4 toes (it flexes the distal phalanges of the toes when the foot is off the ground).

2) When the foot is on the ground and under load, it acts with the lumbricals and interossei to maintain the pads of the toes in firm contact with the ground.

3) Assists in plantar flexion of the foot.

4) Supports longitudinal arch of foot (mainly the medial).

5) Weak invertor of the foot.

Question 14

Answer 14

Question 15

Action of Tibialis posterior muscle ?

Answer 15

1) It is a strong invertor and powerful plantar flexor of the foot

2) It supports the medial longitudinal and transverse arches of the foot

Question 16

Nerve supply of back of leg muscles ?

Answer 16

Tibial nerve