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ACSM CPT > pelvis and hip muscles and jts > Flashcards

pelvis and hip muscles and jts Flashcards

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1
Q

What is the link btween axial skel (trunk) and lower extremties?

A

pelvic girlde

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2
Q

What region assists w/ motion, stability, and shock absorption and helps distribute body weight evenly to the lower extremties?

A

pelvic girdle

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3
Q

What bones make up pelvic girdle?

A

sacrum and innominate (os coxae)

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4
Q

What bones make up the innominate bone?

A

fused ilium, ischium, and pubis on each side

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5
Q

what is the largest pelvic bone??

A

ilium

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6
Q

what ligaments bind to create the SI jt?

A

ant, post, and interosseous ligaments

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7
Q

what ligaments form a strong dense joint capsule?

A

iliofemoral, pubofemoral, and ischiofemoral ligaments form a strong dense joint capsule that stabilizes hip jt

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8
Q

What ligament is an extraoridnarily strong band that checks hip extension and rotation?

A

Iliofemoral ligament aka Y ligament

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9
Q

what ligament prevents excessive abd?

A

pubofemoral ligament

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10
Q

what ligament is triangular and limits hip rot and add in flex position?

A

ischiofemoral ligament

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11
Q

what ligament of the hip is a stury band that bridges the acetabulr otch and completetes the acetabular ring of the hip jt?

A

transverse acetabular ligament

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12
Q

what ligament is ligament of femoral head?

A

ligamentum teres ligament

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13
Q

what ligament ties the head of femur to the acetabulum, providing reinforcement from w/in the jt?

A

ligamentum teres ligament

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14
Q

what jt connects the sacrum to ilium on each side and is a gliding jt?

A

SI jt

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15
Q

what jt connects each side of pelvic girdle anteriorly AND IS AMPHIARTHRODIAL?

A

pubic symphysis

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16
Q

hip jt is formed by what articulation?

A

The hip jt is formed by the articulation of the proximal femur (femoral head) w/ the acetabulum of pelvis.

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17
Q

what is femoral head covered w/

A

hyaline cartilage except at forvea capitis

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18
Q

The acetabulum is aligned with what>

A

hyaline cartilage

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19
Q

what is a fibrocartilaginous “lip” that adds depth to the acetabulum and serves as a cushion for femoral head?

A

acetabular labrum

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20
Q

ant-pelvic tilt

A

pubic symphysis moves inferiorly, lumbar spine extends and hips flex, results in an increased lumbosacral angle

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21
Q

post-pelvic tilt

A

pubic symphysis moves superiorly, lumbar spine flexes, hips extends, results in decreased lumbosacral angle

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22
Q

lateral tilt

A

occurs in frontal plane, and rotation of pelvis occurs in axial plane

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23
Q

what muscles are involved with ant pelvic tilt?

A

contraction of hip flexors and lumbar extensors

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24
Q

hat muscles are involved with post pelvic tilt?

A

hip extensors and lumbar flexors

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25
Q

lateral tilt muscles involved

A

contraction of lateral lumbar muscles, hip abd-add muscles, and axial rot happens at hip and spinal rotator muscles

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26
Q

Ant muscles of hip

A

iliopsoas, pectineus, rectus femoris, sartorius, and TFL

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27
Q

what muscles make up the iliospoas?

A

iliacus and psoas major

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28
Q

iliospoas muscle group is strong what muscle action?

A

hip flexor

29
Q

describe the Pectineus muscle

A

small muscle that attaches the anterior pubis to the posteromedial side of the proximal femur

30
Q

Pectineus assists in what muscle action>

A

hip flexion, add, internal rot

31
Q

Rectus Femoris Muscle Action

A

RF = Hf + Ke

32
Q

RF origin

A

AIIS or Anterior inferior iliac spine

33
Q

RF insertion

A

tibial tuberosity via patella ligament

34
Q

what is the longest muscle in body?

A

sartorius

35
Q

describe sartorius

A

a 2 jt muscle that is long

36
Q

sartorius origin

A

ASIS or Anterior Superior iliac spine

37
Q

sartorius insertion

A

medial tibial surface (pes anserinus)

38
Q

sartorius muscle action

A

flexes, abd, and ext rot hip and also assists in knee flexion

39
Q

TFL orgin

A

anterior iliac crest of ilium

40
Q

TFL insertion

A

anterolateral tibial condyle via long band fascia called IT band

41
Q

TFL muscle action

A

abd, flexes hip, and stabilizes hip agst ext rot when hip is flexed and aLSO assists w/ extension and stabilization of knee

42
Q

Medial muscles of pelvis and hip region

A

gracilis and adductors longus, brevis, and magnus

43
Q

medial muscles of hip primarily cuase what muscle action

A

hip add

44
Q

What medial muscles of hip variably participate in hip flex?

A

adductor longus and brevis, and upper fibers of add magnus

45
Q

What medial muscles of hip variably participate in hip ext?

A

lower fibers of add magnus

46
Q

What medial muscles of hip variably participate in hip medial rotation?

A

add longus, brevis, and magnus

47
Q

medial muscle of hip origin

A

pubis

48
Q

adductors medial muscles insertion

A

linea aspera of femur

49
Q

gracilis insertion

A

tibia (pes anserine)

50
Q

gracilis may assist w/

A

knee flexion

51
Q

pectin may assist w/

A

hip add

52
Q

post muscles of hip include what?

A

glute max, medi, mini; 6 deep lateral rotators (piriformis, gemellus superior and inf, obturators internus and externus, and quadratus femoris), and hamstrings

53
Q

Glute max origin

A

ilium, sacrum, and coccyx

54
Q

glute max insertion

A

gluteal tuberosity, located on the lateral aspect of femur

55
Q

glute max is a powerful what action

A

glute max is powerful extensor of hip

56
Q

glute max muscle action

A

powerful hip extensor, lateral rot, abd, and lower fibers may particiapate in add

57
Q

glute med and mini muscle action

A

abd, and medial rot of hip, and vital postural msucels to keep pelvis level during locomotion

58
Q

glutes origin

A

external surface of ilium

59
Q

glutes insertion

A

greater trochanter of femur w/ most deep laTERAL rotators

60
Q

hamstrings muscle action

A

H = He +Kf

61
Q

Biceps femoris long head origin

A

ischial tuberosity

62
Q

biceps femoris short head origin

A

proximal femur

63
Q

biceps femoris insertion

A

lateral tibial condyle and fibular head

64
Q

biceps femoris long head muscle action

A

extends hip, flex knee, and causes lateral rot at both jts

65
Q

biceps femoris short head muscle action

A

only works on knee to yield knee flexion

66
Q

SM/ ST muscle action

A

extend hip, flex knee, and internally rotate both hip and knee

67
Q

SM/ ST origin

A

ischaial tuberosity

68
Q

SM/ST insertion

A

medial aspect of tibia

ACSM CPT (15 decks)

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