Knee muscles

Question 1

What are the 4 quadricep muscles

Answer 1

Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

Question 2

Rectus femoris primary concentric actions

Answer 2

Hip flexion
Knee extension

Question 3

Vastus lateralis concentric actions

Answer 3

Knee extension

Question 4

Vastus medialis concentric actions

Answer 4

Knee extension

Question 5

Concentric actions of vastus intermedius

Answer 5

Knee extension

Question 6

What is the only quadricep muscle that crosses the hip joint

Answer 6

Rectus femoris

Question 7

Concentric actions of the sartorius

Answer 7

Hip flexion
Hip abduction
Hip external rotation
Knee flexion

Question 8

TFL concentric actions

Answer 8

Hip flexion
Hip abduction
Hip internal rotation
Knee external rotation

Question 9

All three hamstring muscles (with the exception of the short head of the biceps femoris), have an origin on the ____________

Answer 9

Ischial tuberosity

Question 10

Biceps femoris concentric actions

Answer 10

Hip extension
Knee flexion
Knee external rotation

Question 11

Semitendinosus concentric actions

Answer 11

Hip extension
Knee flexion
Knee internal rotation

Question 12

Semimembranosus concentric actions

Answer 12

Hip extension
Knee flexion
Knee internal rotation

Question 13

Concentric actions of the gastrocnemius (and plantaris)

Answer 13

Knee flexion
Ankle plantarflexion

Question 14

Concentric actions of the popliteus

Answer 14

Knee flexion
Knee internal rotation

Question 15

Concentric actions of the gracilis

Answer 15

Hip adduction
Hip internal rotation