3.2 Bones, Gluteal Region

Question 1

What are the functions of the lower extremity/limb

Answer 1

Support body weight
Locomotion
Maintaining equilibrium

Question 2

What are the 4 regions of the lower extremity

Answer 2

Hip/ gluteal
Thigh
Leg
Foot

Question 3

What are the bones of the hip/gluteal region

Answer 3

Hip bones
Sacrum
Coccyx

Question 4

What are the bones of the thigh region

Answer 4

Femur

Patella

Question 5

What are the bones of the leg region

Answer 5

Tibia

Fibula

Question 6

What are the bones of the foot region

Answer 6

Tarsus
metatarsus
Phalanges

Question 7

Function of the bony pelvis

Answer 7

Transfer weight from upper body to lower extremities

Question 8

4 bones that form the bony pelvis

Answer 8

Hip bones (2)
Sacrum
Coccyx

Question 9

Hip bones form in young adults by the fusion of what three bones

Answer 9

Ilium
Ischium
Pubis

Question 10

Part of hip bone that is fan shaped and has an ala (wing)

Answer 10

Ilium

Question 11

The body of the ilium forms

Answer 11

Superior part of the acetabulum

Question 12

The iliac crest is the superior margin and runs between

Answer 12

The anterior and posterior superior iliac spines

Question 13

Concave internal surface on the ilium

Answer 13

Iliac fossa

Question 14

The body of the ischium is the posterior part of

Answer 14

Acetabulum

Question 15

On the ischium the inferior boundary of the obturator foramen

Answer 15

Ramus

Question 16

The body of the pubis lies medially and articulates with the

Answer 16

Pubis of the other side at the pubic symphysis

Question 17

The superior ramus of the pubis is the

Answer 17

Anterior part of acetabulum

Question 18

The inferior ramus of the pubis forms the

Answer 18

Inferior boundary of the obturator foramen

Question 19

Hip socket

Answer 19

Acetabulum

Question 20

The obturator foramen is closed in the living body by the

Answer 20

Obturator membrane

Question 21

Where are the hip bones joined anteriorly

Answer 21

Pubic symphysis

Question 22

Where are the hip bones joined posteriorly

Answer 22

Sacrum at sacroiliac joint

Question 23

Joint in hip with small movement limited by many ligaments, greater movement in females, important in child birth

Answer 23

Sacroiliac joint

Question 24

The term for rotation of the sacroiliac joint in the Sagittal plane

Answer 24

Nutation

Question 25

Anterior rotation of the sacrum at the sacroiliac joint increases

Answer 25

Size of pelvic outlet

Question 26

The posterior sacroiliac is interosseus and continuous with the

Answer 26

Sacrotuberous ligament

Question 27

Fracture of the femur is more common over the age of ? And not common in women due to

Answer 27

60 | Postmenopausal osteoporosis

Question 28

The longest, strongest, and heaviest bone in the body

Answer 28

Femur

Question 29

Roughly how many times the length of the femur determines height of an individual

Answer 29

4 times

Question 30

Shinbone, weight bearing, medically located

Answer 30

Tibia

Question 31

What bones surround the tibia superiorly, inferiorly, and laterally

Answer 31

Femur-superior Talus- inferior Fibula-lateral

Question 32

Bone with No function in weight bearing, serves mainly for muscle attachments and support for the tibia

Answer 32

Fibula

Question 33

What movements happen at the knee joint

Answer 33

Flexion Extension Very slight medial and lateral rotation

Question 34

What movements occur at the hip joint

Answer 34

``` Flexion Extension Hyperextension Abduction / adduction Medial and lateral rotation Circumduction ```

Question 35

Lies posterior to the pelvis between iliac crest and gluteal fold

Answer 35

Gluteal region

Question 36

The gluteal region is made primarily of

Answer 36

Gluteal muscles and a thick layer of superficial fat

Question 37

The division between buttocks (butt crack) is called

Answer 37

Intergluteal cleft

Question 38

What are the 9 gluteal muscles

Answer 38

``` Tensor fasciae latae Gluteus Maximus Gluteus medius Gluteus minimus Piriformis Obturator internus Inf and sup gemellus Quadratus femoris ```

Question 39

The gluteal muscles alll

Answer 39

Stabilize the hip joint

Question 40

Tensor fasciae latae origin and insertion

Answer 40

O: anterior superior iliac spine I: iliotibial tract

Question 41

Tensor fasciae latae nerve and action

Answer 41

N: superior gluteal nerve A: flexes thigh

Question 42

The largest, heaviest, and most coarsely fingered muscle in the body

Answer 42

Gluteus Maximus

Question 43

Gluteus Maximus origin and insertion

Answer 43

O: ilium, sacrum, coccyx, and sacrotuberous ligament I: iliotibial tract and gluteal tuberosity

Question 44

Gluteus Maximus nerve and action

Answer 44

N: inferior gluteal nerve A: laterally rotates thigh, powerful extension

Question 45

Gluteus medius origin and insertion

Answer 45

O: ilium between anterior and posterior gluteal lines I: greater trochanter

Question 46

Gluteus medius and gluteus minimus nerve and action

Answer 46

N: superior gluteal nerve A: posterior fibers abducts, extends, and laterally rotates thigh. Anterior fibers abduct, flex, and medically rotates thigh. Steadies the pelvis

Question 47

Gluteus minimus origin and insertion

Answer 47

O: ilium between anterior and inferior gluteal lines I: greater trochanter

Question 48

Help control posture, active when femur is bearing weight, if inactive pelvis drops on opposite side

Answer 48

Gluteus medius and minimus

Question 49

Subject stands on one leg, if ASIS and AIIS drops on opposite side, then gluteus medius and minimus on stance side are weak

Answer 49

Trendelenburg sign

Question 50

Piriformis origin and insertion

Answer 50

O:2-4 sacral segments I: greater trochanter

Question 51

Piriformis nerve and action

Answer 51

N: S1-S2 A: rotates thigh laterally, abducts thigh, holds head of femur in acetabulum

Question 52

What is the landmark muscle for the superior gluteal artery/nerve, inferior gluteal artery/nerve, and the sciatic nerve

Answer 52

Piriformis

Question 53

Obturator internus origin and insertion

Answer 53

O: ilium and ischium, obturator membrane I: greater trochanter

Question 54

Obturator internus action and nerve

Answer 54

A: rotates thigh laterally, holds head of femur in acetabulum (stabilizes hip joint) N: nerve to obturator internus

Question 55

Superior and inferior gemellus origin and insertion

Answer 55

O: ischial spine and ischial tuberosity I: greater trochanter

Question 56

Superior gemellus nerve and action

Answer 56

N: nerve to obturator internus A: laterally rotates thigh

Question 57

Inferior gemellus nerve and action

Answer 57

N: nerve to quadratus femoris A: laterally rotates thigh

Question 58

Quadratus femoris origin and insertion

Answer 58

O: ischial tuberosity I: intertrochanteric crest

Question 59

Quadratus femoris nerve and action

Answer 59

N: nerve to quadratus femoris A: laterally rotates thigh