Deck 11: Structure and Function of the Hip Complex

Question 1

Which of the following bony landmarks is MOST OFTEN used to measured leg lengths and heights for assistive devices?

A)Anterior superior iliac spine
B)Greater trochanter of the femur
C)Posterior superior iliac spine
D)Lesser trochanter of the femur

Answer 1

Greater trochanter of the femur

Question 2

What position of the hip produces the greatest amount of contact between joint surfaces?

A)Flexed 90°, abducted, and medially rotated
B)Neutral in the sagittal plane, abducted, and medially rotated
C)Flexed 90°, abducted, and laterally rotated
D)Extended 20°, abducted, and no rotation

Answer 2

Flexed 90°, abducted, and laterally rotated

Question 3

In which of the following positions is the rectus femoris muscle able to generate the greatest hip flexion torque?

A)Hip in neutral and knee flexion
B)Hip and knee extension
C)Hip flexion and knee extension
D)Hip and knee flexion

Answer 3

Hip and knee flexion

Question 4

Which of the following bones make up the acetabulum of the hip?

A)Ilium, ischium, femur
B)Pubis, femur, ilium
C)Ilium, ischium, pubis
D)Ilium, ischium

Question 5

When standing only on the right lower extremity, which of the following muscle groups on the right side assist with maintaining the pelvis in a level position?

A)Iliopsoas, sartorius, rectus femoris
B)Gluteus maximus, hamstrings
C)Gluteus medius, gluteus minimus, tensor fasciae latae
D)Gluteus maximus, piriformis

Question 6

Which of the following muscles produce a force couple to posteriorly tilt the pelvis?

A)Hip extensors, abdominal muscles
B)Hip flexors, erector spinae muscles
C)Hip extensors, erector spinae muscles
D)Hip flexors, abdominal muscles

Question 7

Which of the following positions MOST EFFECTIVELY stretches the rectus femoris muscle?

A)Hip flexion with knee extension
B)Knee extension with hip in neutral
C)Hip extension with knee flexion
D)Knee flexion with hip in neutral

Question 8

Which of the following angles would indicate a coxa valgus of the femoral neck and shaft?

A)140°
B)125°
C)110°
D)90°

Question 9

Which of the following muscles have a primary function of hip flexion when activated?

A)Iliopsoas, sartorius, rectus femoris
B)Gluteus maximus, hamstrings
C)Iliopsoas, gluteus minimus, tensor fasciae latae
D)Gluteus maximus, piriformis

Question 10

A person stands only on the left leg with no weight bearing on the right leg.The person rotates his right pelvis forward in the horizontal plane.What is the resultant position of the left support hip in relation to the pelvis?

A)Adducted
B)Laterally rotated
C)Abducted
D)Medially rotated

Question 11

A person is moving from a sitting position to a standing position.Which of the following muscles are MOST LIKELY activated at the hip to achieve hip extension during this change in position?

A)Iliopsoas, sartorius, rectus femoris
B)Gluteus maximus, hamstrings
C)Iliopsoas, gluteus minimus, tensor fasciae latae
D)Gluteus maximus, piriformis

Question 12

Which of the following relationships between the neck of the femur and the femoral shaft would MOST LIKELY result in an excessive "toeing-out" posture and restricted medial rotation at the hip?

A)Coxa valgus
B)Excessive anteversion
C)Coxa vara
D)Retroversion

Question 13

Which of the following joint conditions would MOST LIKELY result from a center edge angle of the acetabulum that is greater than 25°?

A)Decreased weight-bearing surface
B)Greater joint stability
C)Increased joint pressure
D)Reduced joint stability

Question 14

Which of the following ligaments can be used to counter posterior leaning of the trunk to assist with standing without actively contracting lower extremity musculature?

A)Ligamentum teres
B)Ischiofemoral
C)Pubofemoral
D)Iliofemoral

Question 15

Which of the following hip muscles plays a role as a spine stabilizer?

A)Iliacus
B)Psoas major
C)Rectus femoris
D)Tensor fasciae latae

Question 16

What is the average passive extension range of motion at the hip if the knee is placed in extension?

A)40°
B)30°
C)10°
D)20°

Question 17

A person stands only on the left leg with no weight bearing on the right leg.The person hikes his right pelvis rotating the pelvis upward in the frontal plane.What is the resultant position of the left support hip in relation to the pelvis?

A)Adducted
B)Laterally rotated
C)Abducted
D)Medially rotated

Question 18

What is the arthrokinematic motion at the hip during open-chain femoral flexion?

A)Spins medially
B)Spins posteriorly
C)Spins laterally
D)Spins anteriorly

Question 19

Which of the following muscles produce a force couple to anteriorly tilt the pelvis?

A)Hip extensors, abdominal muscles
B)Hip flexors, erector spinae muscles
C)Hip extensors, erector spinae muscles
D)Hip flexors, abdominal muscles

Question 20

Which of the following motions and postures occur with an increased anterior tilt of the pelvis?

A)Flexion at the hip, increased lumbar lordosis, spinal extension
B)Flexion at the hip, decreased lumbar lordosis, spinal extension
C)Extension at the hip, increased lumbar lordosis, spinal flexion
D)Extension at the hip, decreased lumbar lordosis, spinal flexion

Question 21

What is the function of the posterior fibers of the adductor magnus muscle in the sagittal plane?

A)Hip extensor
B)Hip adductor
C)Hip flexor
D)Hip abductor

Question 22

What is the function of the hamstring muscles?

A)Knee extension
B)Hip extension, knee extension
C)Knee flexion
D)Hip extension, knee flexion

Question 23

Which of the following positions would provide the MOST EFFECTIVE stretch of the hamstring muscles?

A)Knee extension, hip neutral
B)Hip flexion, knee extension
C)Knee flexion, hip neutral
D)Hip extension, knee flexion

Question 24

As an athlete performs a powerful uphill sprint, what is the function of the hip abductors at the end range of hip flexion?

A)Abductor torque
B)Extension torque
C)Lateral rotation torque
D)Flexion torque

Question 25

Which of the following statements BEST describes the function of the piriformis muscle?

A)Lateral hip rotator at all degrees of hip flexion/extension
B)Lateral hip rotator below 90° of hip flexion, medial rotator above 90° of hip flexion
C)Medial hip rotator at all degrees of hip flexion/extension
D)Medial hip rotator below 90° of hip flexion, lateral rotator above 90° of hip flexion

Question 26

When walking, a person's left pelvis is noted to drop downward in the frontal plane when standing only on the right leg as the left leg swings forward.Weakness in which of the following muscle groups is MOST LIKELY to result in this pelvic movement?

A)Right hip flexors
B)Right hip abductors
C)Left hip flexors
D)Left hip abductors

Question 27

Which of the following bony landmarks is used to palpate the attachments of the bicep femoris muscle?

A)Ischial tuberosity, medial aspect of tibia
B)Posterior inferior iliac spine, fibular head
C)Ischial tuberosity, fibular head, lateral tibial condyle
D)Posterior superior iliac spine, lateral tibial condyle

Question 28

In what position is gluteus maximus able to generate its greatest extensor force?

A)70° hip flexion
B)Neutral
C)20° hip extension
D)Position does not influence its ability to generate force

Question 29

When moving from a sitting to a standing position, what muscles are MOST LIKELY activated at the hip in the sagittal plane?

A)Iliopsoas, adductor magnus
B)Adductor magnus, rectus femoris
C)Gluteus maximus, hamstrings
D)Gluteus maximus, gracilis

Question 30

When walking, during forward swing of the right leg, which of the following muscle groups rotate the pelvis in the horizontal plane toward the weight-bearing stance leg?

A)Right lateral rotators
B)Right medial rotators
C)Left lateral rotators
D)Left medial rotators