Deck 9: Pelvis and Hip

Question 1

There are ____ degrees of angular freedom at the hip joint.

A) one
B) two
C) three
D) four

Answer 1

three

Question 2

Individuals with an increased angle of torsion also known as ________ clinically present with __________ during gait.

A) anteversion; "in-toeing"
B) anteversion; "out-toeing"
C) retroversion; "in-toeing"
D) retroversion; "out-toeing"

Answer 2

anteversion; "in-toeing"

Question 3

The posterior landmark for the sacroiliac joint is the________.

A) anterior superior iliac spine
B) posterior superior iliac spine
C) posterior inferior iliac spine
D) anterior inferior iliac spine

Answer 3

posterior superior iliac spine

Question 4

The angle of inclination is a _________ plane angle that normally measures _____ $\degree$ in the adult.

A) transverse; 150
B) frontal; 150
C) transverse; 125
D) frontal; 125

Question 5

In normal adults, the greater trochanter is situated _______ compared with the center of the femoral head.

A) superior
B) at the same level
C) inferior
D) medially

Question 6

A ___________ center edge angle and ___________ acetabular anteversion angle are associated with lesser containment of the femoral head.

A) larger; larger
B) larger; smaller
C) smaller; smaller
D) smaller; larger

Question 7

A posterior tilt of the pelvis is created by a force couple of which two muscles?

A) Iliopsoas; abdominals
B) Abdominals; gluteus maximus
C) Iliopsoas; gluteus maximus
D) Erector spinae; iliopsoas

Question 8

Frontal plane motion of the pelvis on the femur is best described as:

A) flexion-extension
B) anterior-posterior tilting
C) abduction-adduction
D) lateral tilting

Question 9

The bones of the innominate come together at the ________.

A) iliac crest
B) pubic symphysis
C) acetabulum
D) ischial tuberosity

Question 10

The end feels for hip motions are generally considered to be:

A) springy
B) firm
C) empty
D) soft

Question 11

A combination of these two abnormalities predispose the hip joint to instability:

A) coxa vara; anteversion
B) coxa vara; retroversion
C) coxa valga; anteversion
D) coxa valga; retroversion

Question 12

Each innominate is composed of how many bones?

A) Two
B) Three
C) Four
D) Five

Question 13

Between the ages of 70 and 92, the largest decline in hip range of motion is noted with:

A) extension
B) medial rotation
C) lateral rotation
D) abduction

Question 14

The articulating surfaces of the pubic bones at the symphysis pubis are lined with what type of cartilage?

A) Hyaline
B) Fibro
C) Elastic
D) Calcified

Question 15

The pubic symphysis is classified as what type of joint?

A) Synovial
B) Diarthrodial
C) Amphiarthrodial
D) Synarthrosis

Question 16

The primary responsibility of the pelvic and hip region is _________ during ________ chain motions.

A) mobility; open
B) mobility; closed
C) power production; open
D) power production; closed

Question 17

Which aspect of the acetabulum is not an articulating surface?

A) Anterior
B) Posterior
C) Superior
D) Inferior

Question 18

In part, the femur is able to withstand greater loads because of its _______________.

A) anterior convexity
B) anterior concavity
C) posterior convexity
D) length

Question 19

An anterior tilt of the pelvis results in _______ of the lumbar spine and ________ of the hip joint.

A) flexion; flexion
B) extension; flexion
C) flexion; extension
D) extension; extension

Question 20

In standing, forward rotation of the pelvis produces ________ of the weight-bearing hip.

A) flexion
B) extension
C) medial rotation
D) lateral rotation

Question 21

Patients with tight iliotibial bands should consider stretching these two muscles:

A) rectus femoris and tensor fascia latae
B) tensor fascia latae and gluteus medius
C) gluteus medius and gluteus maximus
D) gluteus maximus and tensor fascia latae

Question 22

The mechanical axis of the femur is represented by a line drawn through the femoral shaft.

Question 23

Which bursae is most commonly irritated and hence encountered in a clinical setting?

A) Iliopsoas
B) Iliopectineal
C) Greater trochanteric
D) Lesser trochanteric

Question 24

Similar to the humeral head, the femoral head exhibits greater articular surface area compared with its corresponding socket.

Question 25

The closed packed position of the hip joint is a combination of:

A) extension; abduction; medial rotation
B) lateral rotation; flexion and adduction
C) flexion; abduction and medial rotation
D) lateral rotation, flexion, abduction

Question 26

There are no hip muscles that medially rotate the hip that are classified as primary movers.

Question 27

Weak abdominals may predispose an individual to a hip flexor contracture.

Question 28

The labrum is connected inferiorly by which ligament?

A) Pubofemoral
B) Iliofemoral
C) Transverse acetabular ligament
D) Ligamentum teres

Question 29

Most muscles of the anterior hip are innervated by the ________ nerve.

A) lateral femoral cutaneous
B) femoral
C) obturator
D) sciatic

Question 30

Of the following hip flexor muscles, which is considered to be the most significant contributor?

A) Rectus femoris
B) Tensor fascia latae
C) Pectineus
D) Iliopsoas

Question 31

The center of the acetabular fossa is lined with articular cartilage.

Question 32

Of the following hip flexor muscles, which is not bi-articular?

A) Rectus femoris
B) Tensor fascia latae
C) Pectineus
D) Sartorius

Question 33

When the pelvis is in a neutral position, the anterior superior iliac spine and posterior superior iliac spine are horizontally aligned.

Question 34

This ligament allows an individual with paraplegia to maintain standing balance when the ankle and foot are stabilized by an orthosis:

A) iliofemoral
B) ischiofemoral
C) pubofemoral
D) ligamentum teres

Question 35

The primary closed kinematic chain function of the gluteus medius is to:

A) abduct the stance leg
B) abduct the swing leg
C) minimize dropping of the contralateral iliac crest
D) minimize dropping of the ipsilateral iliac crest

Question 36

By virtue of its location in relation to the axis of rotation, the greater trochanter decreases the internal moment or lever arm of the muscles that insert at this location.

Question 37

This ligament limits medial rotation of the hip joint:

A) iliofemoral
B) ischiofemoral
C) pubofemoral
D) ligamentum teres

Question 38

The iliofemoral, ischiofemoral, and pubofemoral ligaments are all taut with hip:

A) flexion
B) extension
C) abduction
D) lateral rotation

Question 39

When the hip is flexed to 90 $\degree$ , the quantity of lateral rotation typically exceeds that of medial rotation in most individuals.

Question 40

The hip joint capsule is considered to be the strongest:

A) anteriorly and superiorly
B) anteriorly and inferiorly
C) posteriorly and superiorly
D) posteriorly and inferiorly

Question 41

Patients who exhibit weakness of the gluteus medius and an associated gait deviation should be advised to carry loads on the unaffected side.

Question 42

Regardless of hip position, the posterior fibers of the adductor magnus extend the hip in the sagittal plane.

Question 43

Tight hamstrings may cause the pelvis to assume an anteriorly titled position.

Question 44

In a closed kinematic chain, the iliopsoas is capable of posteriorly tilting the pelvis.

Question 45

When the hip is flexed to 70 $\degree$ , several of the adductors are capable of extending the hip.

Question 46

Lateral rotation torque is substantially greater when the hip is in extension.

Question 47

During a supine straight leg raise, if the abdominals are too weak to provide proximal stabilization, the pelvis will have a tendency to tilt anteriorly.

Question 48

Medial rotation torque about the hip is greater when the hip is in a flexed position.