Week 4 - The Pelvic Girdle

Question 1

what are the 3 components of the pelvic girdle ?

Answer 1

• 2 innominate

- 1 sacrum

Question 2

what 3 bones comprise an innominate ?

Answer 2

• ilium
• ischium
• pubis

Question 3

what joints comprise the pelvic girdle ?

Answer 3

• pubic symphysis

- 2 sacroiliac joints

Question 4

what are the primary movements of the pelvic girdle ?

Answer 4

• anterior / posterior tilt
• right / left lateral tilt
• right / left rotation

Question 5

what are the two anterior ligaments of the hip ?

Answer 5

• illofemoral

- pubofemoral

Question 6

what is the posterior ligament of the hip ?

Answer 6

ishiofemoral

Question 7

what are the other 2 ligaments of the hip ?

Answer 7

• transverse acetabular ligament

- teres femoris

Question 8

what is the role of the transverse acetabular ligament ?

Answer 8

prevent inferior displacement

Question 9

what is the role of the teres femoris ligament ?

Answer 9

• connects the head of the femur to the acetabulum

- reinforce the joint from within

Question 10

what is the role of the illofemoral ligament ?

Answer 10

supports the hip in standing

- resists: extension, internal and external rotation

Question 11

what is the role of the pubofemoral ligament ?

Answer 11

resists: abduction, extension and external rotation

Question 12

what is the role of the ishiofemoral ligament ?

Answer 12

resists: adduction and internal rotation

Question 13

what movements occur at the hip ?

Answer 13

• flexion
• extension
• abduction
• adduction
• lateral rotation
• medial rotation
• circumduction

Question 14

what are the 4 anterior muscles of the hip ?

Answer 14

• iliopsoas
• pectineus
• rectus femoris
• sartorius

Question 15

what are the 4 medial muscles of the hip ?

Answer 15

• adductor brevis
• adductor longus
• adductor magnus
• gracilis

Question 16

what are the 5 posterior muscles of the hip ?

Answer 16

• biceps femoris
• semimembranosus
• semitendinosus
• gluteus maximus
• 6 deep external rotators

Question 17

what are the 3 lateral muscles if the hip ?

Answer 17

• gluteus medius
• gluteus minimus
• tensor fasciae latae (TFL)

Question 18

what movements occur at the iliopsoas ?

Answer 18

• hip flexion

- hip m.rotation

Question 19

what movements occur at the pectineus ?

Answer 19

• hip flexion

- hip adduction

Question 20

what movements occur at the rectus femoris ?

Answer 20

• hip flexion

- knee extension

Question 21

what movements occur at the sartorius ?

Answer 21

• hip flexion
• hip l.rotation
• hip abduction

Question 22

what movements occur at the gluteus maximus ?

Answer 22

• hip extension

- assists hip l.rotation

Question 23

what movements occur at the bicep femoris ?

Answer 23

• long head: hip extension

- short head: knee flexion

Question 24

what movements occur at the semimembranosus ?

Answer 24

• hip extension
• knee flexion
• knee m.rotation

Question 25

what movements occur at the semitendinosus ?

Answer 25

• hip extension
• knee flexion
• knee m.rotation

Question 26

what are the 6 deep external rotators ?

Answer 26

• obturator externus
• obturator internus
• gemellus superior
• gemellus inferior
• quadratus femoris
• piriformis

Question 27

what movements occur at the adductor magnus ?

Answer 27

• hip adduction

- hip extension

Question 28

what movements occur at the adductor longus and brevis ?

Answer 28

• hip adduction

Question 29

what movements occur at the gracilis ?

Answer 29

• hip adduction
• knee flexion
• knee m.rotation when knee is flexed

Question 30

What movements occur at the gluteus medius and minimus ?

Answer 30

• hip abduction

- hip m.rotation

Question 31

what movements occur at the TFL ?

Answer 31

• hip flexion (weak)

- hip abduction