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Kinesiology > knee > Flashcards

knee Flashcards

1
Q

femur medial supracondylar line

A

ridge-like line of bone extends from adductor tubercle to the base of the linea aspera

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2
Q

femur lateral supracondylar line

A

ridge-like line of bone exteding from distal end of linea aspera to the lateral condyle

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3
Q

femur medial condyle

A

medial projection on lower extremity of femur; larger than lateral

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4
Q

femur lateral condyle

A

lateral projection on lower extremity of femur

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5
Q

femoral/intercondylar notch

A

deep notch btwn rear surfaces of medial and lateral epicondyle of femur

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6
Q

patella

A

sesamoid bone embedded in quadriceps femoris tendon

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7
Q

gerdy’s tubercle of tibia

A

lateral tubercle of tibia, loacted where iliotibial tract inserts

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8
Q

lateral condyle of tibia

A

lateral projection of upper extremity of tibia

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9
Q

medial condyle of tibia

A

medial projection of upper extremity of tibia

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10
Q

tibial tuberosity

A

insertion site for patellar ligament

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11
Q

lateral facet of tibia

A

large platueau for articulation with femoral condyles

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12
Q

medial facet of tibia

A

large plateau for articulation with femoral condyles

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13
Q

fibula head

A

upper extremity of fibula; irregular quadrate form

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14
Q

lateral meniscus location

A

interarticular area of tibia that lies over lateral facet (smaller and more circular than medial meniscus; acts as a cushion)

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15
Q

medial meniscus

A

interarticular area of tibia, lies over medial facet; attached to tibial colateral

(is semicircular; acts as a cushion; often torn)

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16
Q

tibial (medial) collateral (MCL) origin

A

medial femoral epicondyle

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17
Q

Tibial (medial) collateral (MCL) insertion

A

medial tibial condyle

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18
Q

Tibial (medial) collateral (MCL) actions

A

limits extension and abduction of leg; attached to medial meniscus

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19
Q

Fibular (lateral) collateral ligament (LCL) origin

A

lateral femoral epicondyle

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20
Q

fibular (lateral) collateral ligament (LCL) insertion

A

femoral head

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21
Q

fibular (lateral) collateral ligament (LCL) action

A

limits extension and adduction of leg; overlies popliteus tendon

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22
Q

anterior cruciate (ACL) origin

A

anterior intercondylar tibia

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23
Q

Anterior cruciate (ACL) insertion

A

lateral femoral condyle

24
Q

anterior cruciate (ACL) action

A

prevents posterior slipping of femur on tibia; torn in hyperextension

25
Q

posterior cruciate (PCL) origin

A

posterior intercondylar tibia

26
Q

posterior cruciate (PCL) insertion

A

medial femoral condyle

27
Q

PCL action

A

prevents anterior slipping of femur on tibia; shorter and stronger than anterior cruciate(ACL)

28
Q

Quadriceps tendon origin

A

muscles superior to patella

29
Q

Quadriceps tendon action

A

is part of extension mechanism

30
Q

patellar ligament origin

A

patella to tibial tuberosity

31
Q

patellar ligament action

A

acts in extension of quadriceps tendon; patella stabilized by medial and lateral ligament attachment to tibia and femur

32
Q

rectus femoris origin

A

anterior iliac spine and anterior iliac crest

33
Q

quadriceps muscles

A

rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

34
Q

quadreceps muslces insertion

A

patella, tibial tuberosity

35
Q

rectus femoris actions

A

extends leg at knee joint; also steadies hip joint and helps iliopsoas flex thigh at hip

36
Q

quadriceps strengthening

A

Lunges: step forward with one foot and flex knee and hip on that leg; go down until that knee is at 90 degree angle; come back up and then switch legs

37
Q

quadriceps stretch

A

stand up: keeping hip extended, flex knee and grab ankle with hand and hold

38
Q

vastuc lateralis origin

A

greater trochanter and lateral lip of linea aspera of femur

39
Q

vastus medialis origin

A

intertrochanteric line and medial lip of linea aspera of femur

40
Q

vastus intermedius origin

A

anterior and lateral surgaces of femoral shaft

41
Q

hamstring muscles

A

biceps femoris, semimembranosus, semitendinosus

42
Q

biceps femoris origin

A

ischial tuberosity and linear aspera/lateral supracondylar line of femur

43
Q

biceps femoris insertion

A

lateral side of head of fibula; tendon at this site split by fibular collateral ligament of knee

44
Q

biceps femoris action

A

flexes leg at knee and rotates it laterally; extends thigh at hip

45
Q

hamstrings strengthening

A

Squats: stand with feet shoulder-width apart, flex knees while keeping back straight and pushing rear backwards until knees are at 90 degree angle

46
Q

hamstrings stretch

A

forward fold: stand straight, then bend over, flexing at hip and keeping knees extended

47
Q

semimembranosus and semitendinosus origin

A

ischial tuberosity

48
Q

semitendinosus insertion

A

medial tibia

49
Q

semimembranosus and semitendinosus action

A

extends thight at hip; flexes leg at knee and rotates it medially; with flexed hip and knee, extends trunk

50
Q

gastrocnemius origin

A

lateral head: lateral aspect of lateral condyle of femur;

medial head: popliteal surface of femur, superior to medial condyle

51
Q

gastrocnemius insertion

A

calcaneus via achilles tendon

52
Q

gastrocnemius action

A

plantarflexes foot at ankle; raises heel during walking; flexes leg at knee joint

53
Q

gastrocnemius strengthening

A

calf raises: stand on a step with heels hanging off end, then entend and flex ankle to make self go up and down on toes

54
Q

gastrocnemius stretch

A

downward dog: with hands and feet on ground and flexion at hips, alternately flex and extend ankles to bring heels closer to ground

55
Q

semimembranosus insertion

A

posterior part of medial condyle of tibia

Kinesiology (7 decks)

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