Hip Biomechanics Flashcards
(84 cards)
0
Q
posterior tilt causes the spine to blank
A
flex, (move into kyphosis)
1
Q
anterior pelvic tilt is blank
A
hip flexion
2
Q
posterior pelvic tilt causes blank
A
hip extension
3
Q
closed chain movement of the hip is referred to as blank
A
tilting
4
Q
close chained frontal plane motion at pelvis is referred to as
A
about or around left OR right hip
5
Q
contralateral hemipelvis elevation causes ipsilateral hip blank
A
abduction
6
Q
flexion norm of hip
A
120
7
Q
extension norm of hip
A
20
8
Q
contralateral depression results in ipsilateral blank
A
adduction
9
Q
abduction norm at hip
A
45
10
Q
adduction norm at hip
A
30
11
Q
with knee extended, this checks adduction, and this checks abduction
A
itb, gracilis
12
Q
contraction of glute medius during walking is blank
A
eccentric
13
Q
ir of hip at neutral
A
55
14
Q
ir of hip in flexion
A
45
15
Q
er of hip in neutral
A
55
16
Q
er of hip in flexion
A
45
17
Q
blank becomes taut in hip flexion
A
posterior capsule
18
Q
taking a step with the left foot causes blank of the pelvis in the transverse plane
A
left forward rotation
19
Q
left forward rotation causes right blank
A
ir
20
Q
gait results in blank hip flexion
A
30
21
Q
gait causes blank hip extension
A
10
22
Q
gait causes blank abd/add/ir/er
A
5
23
Q
abduction arthro
A
sup roll, inf glide
24
adduction arthro
inf roll, sup glide
25
ir arthro
ant roll, post glide
26
er arthro
post roll, ant glide
27
flexion arthro
anterior spin
28
okc of the hip means all segments move blank
in same direction
29
extension of hip arthro
posterior spin
30
closed chain movements of the hip occur with a fixed blank and blank
head, feet
31
close chain anterior pelvic tilt causes blank of lumbar spine
extension
32
vladimir janda - pelvic crossed syndrome - individuals in stuck anterior or posterior pelvic tilt is caused by blank structures and blank structures
adaptively lengthened, shortened
33
anterior tilt causes shortening of blank
iliopsoas, erector spinae
34
lengthening of these during anterior pelvic tilt
rectus abdominis, hamstrings
35
posterior pelvic tilt causes shortening of
rectus abdominis, hamstrings
36
posterior pelvic tilt causes lengthening of blank
erector spinae, iliopsoas
37
most common tilt of pelvis from overweight or footwear
anterior
38
inonimate equals blank
hemipelvis
39
pubis makes up blank of hip
1/5
40
ischium makes up blank of hip
2/5
41
ilium makes up blank of hip
2/5
42
acetabulum faces blank
anterior, lateral, inferior
43
3 acetabular changes with aging
1. ossification of bones (increasing central stability)
2. decreased acetabular roundness (reduced co-aptation/mobility)
3. increased center edge angle (increased superior stability)
44
femoral head is more blank than acetabulum
spherical
45
ligament carrying acetabuluar branch of the obturator artery to the head of the femur
ligamentum teres
46
angle of inclination of the femur blank with age
decreases
47
early infants angle of inclination
150
48
adult angle of inclination
125
49
aged adult angle of inclination
120
50
higher angle of inclination contributes to blank
coxa valga
51
small angle of inclination contributes to blank
coxa vara
52
increased leg length produces ipsilateral hip blank
adduction
53
coxa valga increases blank of abductors
pre load
54
coxa valga decreases blank of the abductors however
moment arm
55
femoral acetabular impingement is often causes by having blank of the hip
coxa vara
56
fracture and slipped femoral capital epiphysis create blank at the hip due to gravity
coxa vara
57
angle of version is the angle between blank and blank
head, condyles
58
>8-15 of torsion of the hip is
anteversion
59
excessive uncompensated anteversion would cause blank
groin pain, instability,
60
compensated anteversion or uncompensated retroversion creates blank in feet
toe in
61
uncompensated anteversion and compensated retroversion creates blank
toe out
62
greatest hip bone congruency is at blank,blank,blank which is the blank position because blank is slacked
flexion, abduction, lateral rotation, open pack, soft tissue
63
ligaments are taut in blank which is the blank position
extension, close pack
64
some of the femoral head remains uncovered because inferior angulation of acetabulum is blank than the superior angulation of the femoral neck... also the anterior aspect of the blank and blank
less than, femur head, acetabulum
65
exposed superior and anterior femoral head leads to blank superior and anterior stability
decreased
66
psoas major is attached to blank
anterior lumbar vertebra
67
tight iliopsoas can create increased blank and blank
lumbar lordosis, anterior pelvic tilt
68
TFL actions
flex, IR, abducts flexed hip
69
all fibers of gluteus medius blank
abduct
70
anterior fibers of gluteus medius blank and blank
flex, IR
71
posterior fibers of gluteus medius blank the hip
extend, ER
72
peak isometric torque of blank exceeds blank muscles
adductors, abductors
73
only adductor to cross the knee
gracilis
74
tight adductors can cause contralateral hemipelvic blank
depression
75
average superincumbent bw
2/3 total weight
76
each femoral head receives blank of superincumbent body weight
half
77
unilateral stance receives blank superincumbent weight as well as blank of the unsupported limb
full, full weight
78
normal compression force at hip for 180 pound person
600
79
ipsilateral cane force at hips
450 inch pounds
80
ipsilateral lean force on hip
225 inch pounds
81
contralateral cane force at pelvis
125 inch pounds
82
when using contralateral cane, lats need to contract blank and produce blank force
isometrically, 200 inch pounds
83
ipsilateral load in UE will cause blank of the hip abductor muscles
decreased torque
