Lower Extremity Hip, Knee and Ankle

Question 1

What’re the three muscles of the hamstring group?

Answer 1

semi-membranosis, semi-tendonosis, and biceps femoris

Question 2

What is the action of the semimembranosis?

Answer 2

flexes the knee

Question 3

What is the action of the semi-tendonosis?

Answer 3

flexes the knee

Question 4

What is the action of the biceps femoris?

Answer 4

flexes the knee

Question 5

What is the origin of the gastrocnemius muscle?

Answer 5

medial and lateral condyles of the femur

Question 6

what is the insertion of the calf muscle?

Answer 6

posterior calcaneus

Question 7

What is action of the calf muscle?

Answer 7

knee flexion, ankle plantar-flexion

Question 8

What muscles are associated with the achilles tendon?

Answer 8

soleous and the gastrocnemius

Question 9

What is the role of the quadricep muscle?

Answer 9

connects via patellar tendon.

crucial in walking, running jumping and squatting.

Question 10

what’re the four muscles o the quadriceps group?

Answer 10

vastus lateralis, vastus medialis vastus intermedialis, rectus femoris

Question 11

what’re the actions of all of the quad muscles?

Answer 11

knee extension

Question 12

what is the role of the menisci?

Answer 12

they’re two half-moon, wedge-shaped fibro-cartilaginous disks. act as a shock absorber, end feel is firm.

Question 13

What is the tibialis anterior?

Answer 13

attached proximally on the anterio-lateral leg and crosses the ankle.