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TherapyEd > Musculoskeletal Part Four > Flashcards

Musculoskeletal Part Four Flashcards

(50 cards)

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1
Q

what is the angle of coxa vara for the hip

A

under 115

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2
Q

glute med:

action
nerve roots
innervation

A

A: ABD, Flex, IR

NR: L4-S1

I: superior gluteal

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3
Q

iliopsoas innervation

A

femoral nerve

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4
Q

what is retroversion of the hip

A

antetorsion is under 10 degrees

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5
Q

ACL prevents

A

anterior displacement of the tibia

hyperextension

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6
Q

tibialis anterior:

A

NR

I

A

A: DF

NR: L4-L5

I: deep fibular

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7
Q

what part of the menisci are vascularized

A

outer-one third vascularized

inner-two thirds avascular

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8
Q

the iliofemoral ligament is AKA

A

Y ligament

ligament of bigelow

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9
Q

femoral neck angles ____ degrees in what direction

A

anteriorly 10-15 degrees (from the frontal plane)

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10
Q

when do the ACL and MCL work best

A

between full extension and 30 degrees of flexion

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11
Q

what direction do the menisci move during both knee flexion and extension

A

flexion: poteriorly
extension: anteriorly

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12
Q

MOI for PCL injury

A

when superior part of tibia is struck with knee flexed

passenger’s leg driven against dashboard

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13
Q

primary blood supply for the lower limb

A

femoral artery

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14
Q

what does the PCL do

A

prevents posterior displacement of the tibia

prevents hyperflexion/hyperextension

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15
Q

in order to unlock the knee (screw-home mechanism), what motions need to be done

A

ER femur

IR tibia

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16
Q

orientation of femoral head

A

superiorly

anteriorly

medially

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17
Q

what is anteversion of the hip

A

antetorsion angle is over 30 degrees

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18
Q

what nerve can the hamstrings occasionally compress

A

sciatic

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19
Q

in what direction is the labrum of the hip thickest

A

superior

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20
Q

acetabulum orientation

A

anterior

lateral

inferior

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21
Q

biceps femoris:

A

NR

I

Study These Flashcards
A

A: hip ext, knee flex, ER

NR: L5-S2

I: sciatic

22
Q

most important hip IRs

Study These Flashcards
A

anterior fibers of glut med

glut min

23
Q

glute max:

action
nerve roots
innervation

Study These Flashcards
A

A: ext, ER

NR: L4-S2

I: inferior gluteal

24
Q

terrible triad

Study These Flashcards
A

ACL

MCL

Medial Meniscus

25
acetabulum blood supply
superior and inferior gluteal arteries
26
the ACL is taut with
extension
27
largest sesamoid bone in the body
patella
28
what does the sciatic nerve split into
tibial nerve common fibular (peroneal) nerve
29
where can the femoral artery be palpated
femoral triangle (2-3 cm inferior to midpoint of the inguinal ligament)
30
what is the acetabular fossa
center of the acetabulum (non-articulating) and is filled with fat pad for shock absorption
31
excessive anteversion will lead to what gait pattern
toe-in
32
is the MCL or LCL more likely to get injured why
MCL - attachment to medial meniscus
33
strongest knee ligament
PCL
34
nerve responsible for hip adduction
obturator nerve
35
are medial or lateral meniscus tears more common
medial meniscus
36
what nerve is the main branch of the sacral plexus
sciatic nerve
37
what does the height of the lateral femoral condyle help prevent
lateral subluxation
38
what is the angle of coxa valga for the hip
over 125
39
MOI for MCL
lateral blow to the knee
40
when is the MCL most taut
tibial ER
41
in weight bearing, do the menisci transmit more compressive forces across the knee in flexion or extension
85% transmitted in 90 degrees flexion 50% transmitted in full extension
42
primary hip flexor
iliopsoas
43
the iliofemoral/Y Ligament resists what motion
extension
44
what is the center of the head of the femur called
fovea capitis femoris
45
primary knee flexor: identify innervation
quadriceps femoris femoral nerve
46
blood supply of femoral head
small branch off obturator artery
47
obturator internus: A NR I
A: ER NR: L5-S1 I: sacral plexus
48
when is the LCL most taut
tibial IR
49
blood supply of proximal femur
medial and lateral femoral circumflex
50
normal angle of inclination of the hip
115-125

TherapyEd (81 decks)

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