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TherapyEd > Musculoskeletal Part Four > Flashcards

Musculoskeletal Part Four Flashcards

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

A

A: hip ext, knee flex, ER

NR: L5-S2

I: sciatic

22
Q

most important hip IRs

A

anterior fibers of glut med

glut min

23
Q

glute max:

action
nerve roots
innervation

A

A: ext, ER

NR: L4-S2

I: inferior gluteal

24
Q

terrible triad

A

ACL

MCL

Medial Meniscus

25
Q

acetabulum blood supply

A

superior and inferior gluteal arteries

26
Q

the ACL is taut with

A

extension

27
Q

largest sesamoid bone in the body

A

patella

28
Q

what does the sciatic nerve split into

A

tibial nerve

common fibular (peroneal) nerve

29
Q

where can the femoral artery be palpated

A

femoral triangle (2-3 cm inferior to midpoint of the inguinal ligament)

30
Q

what is the acetabular fossa

A

center of the acetabulum (non-articulating) and is filled with fat pad for shock absorption

31
Q

excessive anteversion will lead to what gait pattern

A

toe-in

32
Q

is the MCL or LCL more likely to get injured

why

A

MCL - attachment to medial meniscus

33
Q

strongest knee ligament

A

PCL

34
Q

nerve responsible for hip adduction

A

obturator nerve

35
Q

are medial or lateral meniscus tears more common

A

medial meniscus

36
Q

what nerve is the main branch of the sacral plexus

A

sciatic nerve

37
Q

what does the height of the lateral femoral condyle help prevent

A

lateral subluxation

38
Q

what is the angle of coxa valga for the hip

A

over 125

39
Q

MOI for MCL

A

lateral blow to the knee

40
Q

when is the MCL most taut

A

tibial ER

41
Q

in weight bearing, do the menisci transmit more compressive forces across the knee in flexion or extension

A

85% transmitted in 90 degrees flexion

50% transmitted in full extension

42
Q

primary hip flexor

A

iliopsoas

43
Q

the iliofemoral/Y Ligament resists what motion

A

extension

44
Q

what is the center of the head of the femur called

A

fovea capitis femoris

45
Q

primary knee flexor:

identify

innervation

A

quadriceps femoris

femoral nerve

46
Q

blood supply of femoral head

A

small branch off obturator artery

47
Q

obturator internus:

A

NR

I

A

A: ER

NR: L5-S1

I: sacral plexus

48
Q

when is the LCL most taut

A

tibial IR

49
Q

blood supply of proximal femur

A

medial and lateral femoral circumflex

50
Q

normal angle of inclination of the hip

A

115-125

TherapyEd (81 decks)

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