Deck 7: The Lower Extremity: The Hip Region

Question 1

What is the muscle action in the hips in the preparatory phase of the standing long jump?

A) concentric contraction of the hamstrings
B) concentric contraction of the rectus femoris and iliopsoas
C) eccentric contraction of the hamstrings
D) eccentric contraction of the rectus femoris and iliopsoas

Answer 1

eccentric contraction of the hamstrings

Question 2

What is the position of the pelvis in walking when the left leg is at the end of the swing phase and the right leg is pushing off?

A) rotated left and tilted right
B) rotated left and tilted left
C) rotated right and tilted left
D) rotated right and tilted right

Answer 2

rotated right and tilted left

Question 3

Which of the following groups of muscles act primarily to stabilize the pelvis in walking?

A) gluteus medius and minimis, quadratus lumborum
B) gluteus maximus, rectus abdominous
C) tensor fascia latae, pectineus
D) iliopsoas, gracilis

Answer 3

gluteus medius and minimis, quadratus lumborum

Question 4

Which are the prime movers at the hip in performing a deep squat?

A) rectus femoris, biceps femoris, vastus lateralis
B) biceps femoris, semimembranosus, semitendinosus
C) rectus femoris, vastus medialis, semimembranosus
D) rectus femoris, vastus lateralis, semitendinosus

Question 5

Analyze the muscular involvement in the motion of the hip joint in stair climbing. Be sure to include both the preparation phase and the propulsion phase.

Question 6

What are the actions of the pelvis and femurs in the propulsive phase of the golf drive?

A) right femur-inward rotation; left femur-outward rotation; pelvis-left rotation
B) right femur-inward rotation; left femur-outward rotation; pelvis-right rotation
C) right femur-outward rotation; left femur-inward rotation; pelvis-left rotation.
D) right femur-outward rotation; left femur-inward rotation; pelvis-left rotation

Question 7

Which of the following is the angle of inclination of the femur?

A) the angle of the femur with the vertical
B) the angle between the pelvis and the femur
C) the angle between the femur and the tibia
D) the angle between the head/neck of the femur and the shaft of the femur

Question 8

Which of the following hip actions is produced by the iliopsoas muscle?

A) flexion
B) extension
C) abduction
D) adduction

Question 9

Why is pelvic girdle rotation necessary in both walking and running gaits?

Question 10

Which are the three bones of the pelvis?

A) iliopsoas, ischium, pubis
B) cervical, lumbar, thoracic
C) ilium, ischium, coccyx
D) ilium, ischium, pubis

Question 11

What is the ligament that runs from the acetabulum of the pelvis to the fovea of the femur?

A) iliofemoral ligament
B) ligamentum teres
C) pubofemoral ligament
D) collateral ligament

Question 12

What muscles are primarily responsible for the pelvic rotation in the preparatory movement (backswing) in the tennis forehand drive?

A) left adductors; right tensor fascia latae and pectineus
B) left tensor fascia latae and lesser glutei; right 6 deep outward rotators
C) right gluteus medius and minimus; left sacrospinalis
D) right tensor fascia latae and lesser glutei; left 6 deep outward rotators
Short Answer Questions

Question 13

Why is it easier to keep the low back flat on the floor in a supine lying position if the knees and hips are flexed?

Question 14

Which muscles act to abduct the leg at the hips in performing a jumping jack exercise?
1) adductor longus
2) gluteus medius
3) gluteus minimis
4) rectus femoris
5) biceps femoris

A) adductor longus, gluteus minimis
B) gluteus medius, gluteus minimis
C) adductor longus, gluteus medius, rectus femoris
D) gluteus minimis, rectus femoris, biceps femoris

Question 15

Which of the following are the prime movers in inward rotation of the hips?

A) gluteus maximus & gluteus medius
B) gluteus medius & gluteus minimis
C) gluteus minimis & rectus femoris
D) gluteus maximus & rectus femoris

Question 16

In which of the following motions would the gluteus maximus most likely be active?

A) erect standing
B) walking
C) stair climbing
D) kicking

Question 17

Analyze the muscular involvement in the motion of the hip joint in the jumping jack exercise. Be sure to include both the "apart" phase and the "together" phase (non-support part only).

Question 18

Which muscles of the hips would be most important for you if you were a horseback rider?

A) adductor longus AND adductor magnus
B) adductor magnus AND rectus femoris
C) rectus femoris AND biceps
D) adductor longus AND rectus femoris

Question 19

Why is the range of motion in hip hyperextension much less than the range of motion in hip flexion?

Question 20

Which of the following movements of the pelvic girdle would act to facilitate abduction of the right femur?

A) forward tilt
B) backward tilt
C) rotation right
D) left lateral tilt