chapters 17 & 18

Question 1

Which 4 bones make up the pelvic girdle?

Answer 1

Sacrum, coccyx, & both hip bones

Question 2

What makes up the hip bones?

Answer 2

Ilium, ischium, & pubis

Question 3

What are the 3 articulations of the pelvic girdle?

Answer 3

Lumbosacral, sacroiliac, & symphysis pubis

Question 4

Synovial, nonaxial, plane joint. No voluntary motion. Designed for stability not mobility

Answer 4

Sacroiliac (si) joint

Question 5

Contains the pelvis surface & coccyx. Is made of 5 fused sacral vertebrae.

Answer 5

Sacrum

Question 6

The superior part of the hip bone. Contains the iliac crest & iliac fossa

Answer 6

Ilium

Question 7

The lower back part of the pelvic

Answer 7

Ischium

Question 8

This is located in the middle of the pelvic. Has fibrocartilage disk in between

Answer 8

Pubic symphysis

Question 9

Optimal angle is ~30 degrees

Answer 9

Lumbosacral angle

Question 10

Can be in the sagittal plane (anterior/posterior tilt), frontal plane (lateral tilt), & transverse plane (rotation)

Answer 10

Pelvic girdle motions

Question 11

Anterior superior iliac spine (ASIS) anterior to pubic symphysis?

Answer 11

Anterior tilt

Question 12

Anterior superior iliac spine (ASIS) posterior to pubic symphysis?

Answer 12

Posterior tilit

Question 13

Occurs when two iliac crests are not level?

Answer 13

Lateral tilt

Question 14

What is the reference point during lateral tilt or walking?

Answer 14

The unsupported side

Question 15

When someone raises leg for foot clearance during swing phase of gait?

Answer 15

Hip hiking

Question 16

Occurs when one side moves forward or backwards in relation to the other?

Answer 16

Rotation

Question 17

What happens during anterior pelvic tilt

Answer 17

Lumbar trunk extensors pull up posteriorly & hip flexors pull down anteriorly

Question 18

What happens during posterior pelvic tilt

Answer 18

Abdominals pull up anteriorly & gluteus maximus and hamstrings pull down posteriorly

Question 19

the most proximal joint of the lower extremity? is a ball and socket joint and is highly important to weight bearing?

Answer 19

hip joint

Question 20

the hip is this kind of joint?

Answer 20

triaxial with 3 planes of motion

Question 21

what 3 bones make up the hip bone?

Answer 21

ilium, ischium, and pubis

Question 22

what 2 major bony surfaces are on the ilium?

Answer 22

Anterior superior iliac spine (ASIS) & Anterior inferior iliac spine (AIIS)

Question 23

the origin of the hamstrings and adductor magnus?

Answer 23

ischial tuberosity

Question 24

articulates with the femoral head?

Answer 24

acetabulum

Question 25

strong & thick, covers hip cylindrically, attaches proximally around lip of acetabulum / distally at neck of femur, encloses the joint and most of femoral neck.

Answer 25

joint capsule

Question 26

increases depth of acetabulum and assists acetabulum in holding the head in place.

Answer 26

acetabular labrum

Question 27

long tendinous portion of the tensor fascia latae (latte) muscle. attaches at the anterior portion of iliac crest. attaches to tibia

Answer 27

iliotibial band (ITB)

Question 28

``` O= iliacus-iliac fossa psoas major-anterior/lateral surfaces T12-L5. I= lesser trochanter A= hip flexion ```

Answer 28

iliopsoas

Question 29

*part of the quadriceps* O= AIIS (anterior inferior iliac spine) I= tibial tuberosity A= knee extension

Answer 29

rectus femoris

Question 30

*longest muscle in the body* O= ASIS (anterior superior iliac spine) I= proximal medial aspect of tibia A= hip flexion, abduction, lateral (external) rotation.

Answer 30

sartorius

Question 31

*located medial to the iliopsoas* O= superior ramus of pubis I= pectineal line of femur A= hip flexion & adduction

Answer 31

pectineus

Question 32

*most superficial (palpable in anterior-medial groin* O= pubis I= middle 1/3 linea aspera A= hip adduction

Answer 32

adductor longus

Question 33

*shortest* O= pubis I= pectineal line & proximal linea aspera A= hip adduction

Answer 33

adductor brevis

Question 34

*largest most massive & deepest* O= ischium & pubis I= entire linea aspera & adductor tubercle A= hip adduction

Answer 34

adductor magnus

Question 35

*a two joint muscle* O= pubis I= anterior medial surface of proximal end of tibia A= hip adduction

Answer 35

gracilis

Question 36

``` O= posterior sacrum & ilium I= posterior femur distal to greater trochanter A= hip extension, hyperextension, lateral rotation ```

Answer 36

gluteus maximus

Question 37

*a group of 6 muscles* O= posterior sacrum, ischium, and pubis I= greater trochanter area A= hip lateral rotation

Answer 37

deep rotator muscles

Question 38

posterior thigh muscles with a common origin on the ischial tuberosity

Answer 38

hamstrings

Question 39

``` O= ischial tuberosity I= anteromedial surface of proximal tibia A= extend hip, flex knee ```

Answer 39

semitendinosus

Question 40

``` O= long head: ischial tuberosity short head: lateral lip linea aspera I= fibular head A= long head: extend hip, flex knee short head: flex knee ```

Answer 40

biceps femoris

Question 41

``` O= ischial tuberosity I= posterior surface of medial condyle of tibia A= extend hip, flex knee ```

Answer 41

semimembranosus

Question 42

what are the 3 hamstring muscles?

Answer 42

semitendinosus, biceps femoris, and semimembranosus

Question 43

*triangular shaped* O= outer ilium I= greater trochanter A= hip abduction

Answer 43

gluteus medius

Question 44

*deep and inferior to gluteus medius* O= lateral ilium I= anterior surface of the greater trochanter A= hip abduction and internal rotation

Answer 44

gluteus minimus

Question 45

*short muscle* O= ASIS I= lateral condyle of tibia A= combined hip flexion and abduction

Answer 45

tensor fascia latae

Question 46

A line drawn from the tip of the coccyx to the inferior surface of the pubic symphysis

Answer 46

Pelvic outlet

Question 47

A line drawn between the sacral promontory posteriorly and the superior border of the symphysis pubis anteriorly

Answer 47

Pelvic inlet

Question 48

They bony area between the iliac crests and is superior to the pelvic inlet

Answer 48

False pelvis

Question 49

Lies between the pelvic inlet and the pelvic outlet

Answer 49

True pelvis