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Functional Anatomy > Exam #4 > Flashcards

Exam #4 Flashcards

1
Q

Origin of Iliacus

A

Inner ilium

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2
Q

Insertion of Iliacus

A

Lesser trochanter

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3
Q

Action of Iliacus

A 
Hip flexion
Hip ER
Anterior pelvic rotation
Lumbar spine flexion
Lumbar spine lateral flexion
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4
Q

Origin of Psoas major and minor

A

T12, L1-5

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5
Q

Insertion of Psoas major and minor

A

Lesser trochanter

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6
Q

Action of Psoas major and minor

A 
Hip flexion
Hip ER
Anterior pelvic rotation
Lumbar spine flexion
Lumbar spine lateral flexion
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7
Q

Origin of Rectus femoris

A

Anterior inferior iliac spine (AIIS)

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8
Q

Insertion of Rectus femoris

A

Tibial tuberosity

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9
Q

Action of Rectus femoris

A

Hip flexion and anterior pelvic rotation

Knee extension

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10
Q

Origin of Sartorius

A

Anterior superior iliac spine (ASIS)

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11
Q

Insertion of Sartorius

A

Pes anserine

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12
Q

Action of Sartorius

A

Hip and knee flexion
Hip abduction
External rotation of thigh
(FABER)

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13
Q

Origin of Pectineus

A

Anterior mid-pubic

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14
Q

Insertion of Pectineus

A

Lesser trochanter, linea aspera

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15
Q

Action of Pectineus

A

Hip flexion
Hip adduction
Hip external rotation
(FADER)

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16
Q

Origin of Adductor brevis

A

Pubic ramus

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17
Q

Insertion of Adductor brevis

A

Linea aspera

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18
Q

Action of Adductor brevis

A

Hip adduction
Hip external rotation
Hip flexion
(FADER)

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19
Q

Origin of Adductor longus

A

Inferior pubic crest

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20
Q

Insertion of Adductor longus

A

Linea aspera

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21
Q

Action of Adductor longus

A

Hip adduction

Assists in hip flexion

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22
Q

Origin of Adductor magnus

A

Ischial tuberosity

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23
Q

Insertion of Adductor magnus

A

Linea aspera

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24
Q

Action of Adductor magnus

A

Hip adduction
Hip external rotation
Hip extension

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25
Q

Origin of Gracilis

A

Pubic ramus

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26
Q

Insertion of Gracilis

A

Pes anserine

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27
Q

Action of Gracilis

A

Hip adduction
Hip internal rotation
Assists in knee flexion

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28
Q

Origin of the Gluteus Maximus

A

Iliac crest

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29
Q

Insertion of Gluteus Maximus

A

Greater trochanter

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30
Q

Action of Gluteus Maximus

A 
Hip extension 
Hip external rotation
Posterior pelvic rotation
Assists in hip abduction (upper fibers)
Assists in hip adduction (lower fibers)
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31
Q

Origin of Gluteus Medius

A

Ilium

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32
Q

Insertion of Gluteus Medius

A

Greater trochanter

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33
Q

Action of Gluteus Medius

A 
Hip abduction
Stabilizes in single leg stance
Hip flexion (anterior fibers)
Hip internal rotation (anterior fibers)
Hip extension (posterior fibers)
Hip external rotation (posterior fibers)
34
Q

Origin of Gluteus Minimus

A

Lateral ilium

35
Q

Insertion of Gluteus Minimus

A

Greater trochanter

36
Q

Action of Gluteus Minimus

A

Hip flexion
Hip abduction
Hip internal rotation

37
Q

Origin of Tensor Fascia Latae

A

Iliac crest

38
Q

Insertion of Tensor Fascia Latae

A

IT band and Gerdy’s tubercle

39
Q

Action of Tensor Fascia Latae

A

Hip abduction
Hip flexion
Hip internal rotation
Anterior pelvic rotation

40
Q

Deep 6 Hip External Rotators: Superior to Inferior

A 
P- Piriformis
G- Gemellus Superior
O- Obturator Internus
G- Gemellus Inferior
O- Obturator Externus
Q- Quadratus Femoris
41
Q

Origin of Rectus Femoris

A

Anterior Inferior Iliac Spine (AIIS)

42
Q

Insertion of Rectus Femoris

A

Tibial tuberosity

43
Q

Action of Rectus Femoris

A

Hip flexion
Knee extension
Anterior pelvic rotation

44
Q

Origin of Vastus Intermedius

A

Anterolateral side of femur

45
Q

Insertion of Vastus Intermedius

A

Tibial tuberosity

46
Q

Action of Vastus Intermedius

A

Knee extension

47
Q

Origin of Vastus Lateralis

A

Anterolateral side of femur

48
Q

Insertion of Vastus Lateralis

A

Tibial tuberosity

49
Q

Action of Vastus Lateralis

A

Knee extension

50
Q

Origin of Vastus Medialis

A

Anteromedial side of femur

51
Q

Insertion of Vastus Medialis

A

Tibial tuberosity

52
Q

Action of Vastus Medialis

A

Knee extension

53
Q

Origin of Biceps Femoris

A

Long head: ischial tuberosity

Short head: linea aspera

54
Q

Insertion of Biceps Femoris

A

Lateral condyle of tibia and fibular head

55
Q

Action of Biceps Femoris

A 
Hip extension
Hip external rotation 
Knee flexion
Posterior pelvic rotation
Knee external rotation
56
Q

Origin of Semimembranosus

A

Ischial tuberosity

57
Q

Insertion of Semimembranosus

A

Posteromedial tibial condyle

58
Q

Action of Semimembranosus

A 
Hip extension
Hip internal rotation
Posterior pelvic rotation
Knee flexion
Knee internal rotation (when flexed)
59
Q

Origin of Semitendinosus

A

Ischial tuberosity

60
Q

Insertion of Semitendinosus

A

Pes anserine

61
Q

Action of Semitendinosus

A 
Hip extension
Hip internal rotation
Posterior pelvic rotation
Knee flexion
Knee internal rotation (when flexed)
62
Q

Origin of Popliteus

A

Lateral condyle (of femur)

63
Q

Insertion of Popliteus

A

Upper medial posterior tibia

64
Q

Action of Popliteus

A 
Knee flexion (“unlocks” knee)
Internal rotation of knee as it flexes
65
Q

Exercises for knee flexors

A

Leg curls

66
Q

Exercises for knee extensors

A

Squats
Extensions
Presses

67
Q

MOI for Trendelenburg Gait

A

Often due to overuse on one side of muscles, runners going around track only one way

68
Q

Signs and symptoms of Trendelenburg Gait

A

Weak gluteus medius

Hip dip

69
Q

Treatment of Trendelenburg Gait

A

Strengthening of gluteus medius, single limb, abduction

70
Q

MOI of Piriformis Syndrome

A

Overuse injury

71
Q

Signs and symptoms of Piriformis Syndrome

A

Inflammation of sciatic nerve/bundle due to irritation of piriformis

72
Q

Treatment of Piriformis Syndrome

A

Limit activity and gradually strengthening surrounding muscles

73
Q

MOI of IT Band Syndrome

A

Overuse of hip flexion

74
Q

Signs and symptoms of IT Band Syndrome

A

IT band is tight and irritated, pain

75
Q

Treatment of IT Band Syndrome

A

Foam rolling can be effective, ice cup massage

76
Q

MOI of ACL Tear

A

Plant, twist, pop

Hyperextension

77
Q

ACL

A

Provide resistance to shear forces – anterior translation of tibia on femur

78
Q

MOI of PCL Tear

A

Plant, twist, pop
Hyperextension
Dashboard Injury
Fall on a hyper-flexed knee

79
Q

PCL

A

Provide resistance to shear forces- posterior translation of tibia on femur

80
Q

MCL

A

Tight to joint capsule
Resists valgus stress (from outside)
Prevent extreme IR & ER

81
Q

LCL

A

Separate from joint capsule
Prevent varus stress (from inside)
Prevent extreme IR & ER

82
Q

Meniscus

A

Shock absorbers

Increase joint contact area, decreases pressure of joint

Functional Anatomy (13 decks)

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