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Myology 2 > Muscles of the Pelvis and Thigh > Flashcards

Muscles of the Pelvis and Thigh Flashcards

1
Q

What are the Muscles apart of the Quadriceps Femoris Group?

A 
This includes:
Rectus Femoris 
Vastus Medialis 
Vastus Lateralis 
vastus Intermedius
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2
Q

What is the Action for All the Muscles of the Quadricep femoris Group?

A

All the fibers as a group work to (Extend the knee joint / Tibiofemoral Joint).

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3
Q

What is the Action of the Rectus Femoris?

A

Helps Extend the Tibiofemoral joint (Knee Joint)

& Flexion of the pelvis (Coxal Joint).

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4
Q

What is the (O) and (I) for the Rectus Femoris?

A

(O) Anterior Inferior iliac Spine (AIIS).

(I) Tibial Tuberosity Via the patella and patellar ligament.

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5
Q

What is the (O) and (I) of the Vastus Medialis?

A

(O) Medial lip of linea Aspera.

(I) Tibial Tuberosity Via the patella and patellar ligament.

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6
Q

What is the (O) and (I) of the Vastus Lateralis?

A

(O) Lateral lip of linea aspera, Intertrochantic line and Greater trochanter.
(I) Tibial Tuberosity Via the patella and patellar ligament.

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7
Q

What is the (O) and (I) of the Vastus Intermedius?

A

(O) Anterior and Lateral Shaft of the Femur.

(I) Tibial Tuberosity Via the patella and patellar ligament.

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8
Q

What is the Nerve for all the Quadricep femoris Muscles?

A

Femoral L2 - 4.

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9
Q

What are the Muscles included in the Hamstrings?

A

This muscle group includes:
Biceps Femoris
Semitendinosus
Semimembranosus

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10
Q

What is the (O) and (I) for the Biceps Femoris?

A

(O) (Long Head) Ischial Tuberosity / (Short Head) Lateral lip of the Linea Aspera.
(I) Head of the Fibula

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11
Q

What is the Action for the Biceps Femoris?

A

Flexion of the Knee
Laterally rotate the flexed knee
(Long Head) helps extend the Hip & Laterally rotate the hip
Posterior Pelvic Tilt

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12
Q

What is the (O) and (I) for the Semitendinosus?

A

(O) Ischial Tuberosity.

(I) Proximal, medial shaft of the Tibia at pes anserinus tendon.

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13
Q

What is the Action for the Semitendinosus?

A 
Flexion of the Knee 
medially Rotate 
Extension of the Hip 
Assist to medially rotate the hip 
Posterior Pelvic tilt
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14
Q

What is the (O) and (I) for the Semimembranosus?

A

(O) Ischial Tuberosity.
(I) Posterior aspect of medial condyle of tibia.

PS: most lateral hamstring

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15
Q

What is the Action for the Semimembranosus?

A 
Flexion of the Knee 
Medially Rotate 
Extend the Hip 
Assist in Medial Rotation of the hip 
Posterior Pelvic Tilt
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16
Q

What are the muscles included in the Gluteals?

A

This muscle group includes:

Gluteus Max, Medius and Min.

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17
Q

What are the muscles included in the Gluteals?

A

This muscle group includes:

Gluteus Max, Medius and Min.

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18
Q

What is the (O) and (I) for the Gluteus Max?

A

(O) PSIS, Sacral line and Coccyx.

(I) Gluteal Tuberosity & Iliotibial Tract.

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19
Q

What is the Action for the Gluteus Max as a Whole?

A

Extension of the Hip
Laterally Rotate the hip
Abduction of the Hip
(Lower Fibers) Adduction of the Hip

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20
Q

What is the (O) and (I) for the Gluteus Max?

A

(O) Coccyx, Edge of the Sacrum, PIC.

I) Iliotibial Tract (Upper Fibers) And Gluteal Tuberosity (Lower Fibers

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21
Q

What is the Action for the Gluteus Max (Lower Fibers)?

A

Adduction of the Hip.

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22
Q

What is the (O) and (I) for the glute Medius?

A

(O) Gluteal Surface of the Ilium (Between Anterior & posterior Gluteal lines).
(I) lateral Aspect of the greater Trochanter.

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23
Q

What is the (O) and (I) for the gluteal Medius?

A

(O) Gluteal Surface of Ilium, Between posterior and Anterior gluteal lines just below the Iliac crest.
(I) Lateral Aspect of Greater trochanter.

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24
Q

What is the (O) and (I) for the gluteus Medius?

A

(O) Gluteal Surface of Ilium, Between posterior and Anterior gluteal lines just below the Iliac crest.
(I) Lateral Aspect of Greater trochanter.

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25
Q

What is the Action for the Gluteus Medius as a Group?

A

All Fibers:

Abduction of the Hip.

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26
Q

What is the Action of the Anterior Fibers of the Gluteus Medius?

A

(Anterior Fibers)

Flexion and medial Rotation of the Hip.

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27
Q

What is the Action for the Posterior Fibers of the Gluteus Medius?

A

(Posterior Fibers)

Extension and Lateral rotation of the Hip.

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28
Q

What is the Nerve for the Gluteus Medius?

A

Superior Gluteal L4 - S1.

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29
Q

What is the (O) and (I) for the Gluteus Minimus?

A

(O) Gluteal Surface of the Ilium Between the Anterior and Inferior Gluteal lines.
(I) Anterior Aspect of the Greater trochanter.

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30
Q

What is the Action of the Gluteus Minimus?

A

Abduction, Medial Rotation and Flexion of the Hip Joint.

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31
Q

What is the Nerve for the Gluteus Minimus?

A

Superior Gluteal L4 - S1.

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32
Q

What are the Muscles included in the Adductor Group?

A

Adductor Magnus, Longus, brevis.
Pectineus
Gracilis

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33
Q

What is the (O) and (I) for the Adductor Magnus?

A

(O) inferior Ramus of the Pubis, Ramus of Ischium and Ischial Tuberosity.
(I) Medial lip of linea Aspera and Adductor Tubercle.

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34
Q

What is the Nerve for the Adductor Magnus?

A

Obturator L2 - 4 & Sciatic L4 - S1.

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35
Q

What is the Action of the Adductor Magnus?

A

Adduction of the Hip
Medially rotate the hip
Assist to flex the hip
(Posterior Fibers) Extension of the Hip joint

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36
Q

What is the (O) and (I) for the Adductor Longus?

A

(O) Pubic Tubercle

(I) Medial Lip of Linea Aspera

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37
Q

What is the nerve for the Adductor Longus?

A

Obturator L2 - 4.

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38
Q

What is the (O) and (I) for the Adductor Brevis?

A

(O) Inferior Ramus of Pubis.

(I) Pectineal line and medial lip of Linea Aspera.

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39
Q

What is the Nerve for the Adductor Brevis?

A

Obturator L2 - 4.

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40
Q

What is the (O) and (I) for the Pectineus?

A

(O) Superior ramus of Pubis.

(I) Pectineal line of Femur.

41
Q

What is the Nerve for the Pectineus?

A

Femoral and Obturator L2 - 4.

42
Q

What is the Nerve for the Gracilis?

A

Obturator L2 - 4.

43
Q

What is the Nerve for the Gracilis?

A

Obturator L2 - 4.

44
Q

What is the (O) and (I) of the (Tensor Fascial Latae and Iliotibial Tract?

A

(O) Iliac crest, Posterior to the ASIS.

(I) Iliotibial Tract.

45
Q

What is the Action for the (Tensor Fascial Latae and Iliotibial Tract?

A

Flexion, Medial rotation & Abduction of The Hip.

46
Q

What is the Nerve for the (Tensor Fascial Latae and Iliotibial Tract?

A

Superior Gluteal L4 - S1.

47
Q

What is the (O) and (I) for the Sartorius?

A

(O) Anterior Superior Iliac Spine (ASIS)

(I) Proximal, Medial Shaft of the Tibia at Pes anserinus tendon.

48
Q

What is the Action of the Sartorius?

A

Flexion, Laterally Rotation and Abduction of the Hip.

Flexion of the Knee and Medial rotation of the Flexed knee.

49
Q

What is the nerve for the Sartorius?

A

Femoral L2 - 4.

50
Q

What are the Muscles in the Lateral Rotator Group?

A

This includes:
Piriformis & Quadratus Femoris
Obturator Internus & Externus
Gemellus Superior & Inferior

51
Q

What is the (O) and (I) for the Piriformis?

A

(O) Anterior Surface of Sacrum.

(I) Superior Aspect of Greater trochanter.

52
Q

What is the Action for the Piriformis?

A

Laterally Rotate the Hip.

Abduct the Hip when the hip is flexed.

53
Q

What is the nerve for the Piriformis?

A

Sacral Plexus L5 - S2.

54
Q

What is the (O) and (I) for the Quadratus Femoris?

A

(O) Lateral border of Ischial Tuberosity.

(I) Intertrochanteric crest, between the greater and lesser trochanter.

55
Q

What is the Action for the Quadratus Femoris?

A

Laterally rotates the Hip.

56
Q

What is the Nerve for the Quadratus Fmeoris?

A

Scaral Plexus L4 - S2.

57
Q

What is the (O) and (I) for the Obturator internus?

A

(O) Obturator membrane and inferior surface of Obturator Foramen.
(I) Medial Surface of Greater trochanter.

58
Q

What is the Action for the Obturator internus?

A

Laterally rotates the Hip (Coxal Joint)

59
Q

What is the nerve for the Obturator Internus?

A

Sacral plexus L5 - S2.

60
Q

What is the (O) and (I) for the Obturator Externus?

A

(O) Rami of pubis and Ischium, Obturator membrane.

(I) trochanteric fossa of femur.

61
Q

What is the Action for the Obturator Externus?

A

Lateral rotation of the Hip joint.

62
Q

What is the nerve for the obturator Externus?

A

Obturator L3 - 4.

63
Q

What is the (O) and (I) of the Gemellus Superior?

A

(O) Ischial Spine.

(I) Medial Surface of Greater Trochanter.

64
Q

What is the Action for the Gemellus Superior?

A

Lateral Rotation of the Hip.

65
Q

What is the nerve for the Gemellus Superior?

A

Sacral Plexus L5 - S2.

66
Q

What is the (O) and (I) for the Gemellus Inferior?

A

(O) Ischial Spine.

(I) Medial Surface of Greater trochanter.

67
Q

What is the Action for the Gemellus Inferior?

A

Lateral Rotation of the Hip

68
Q

What is the Nerve for the Gemellus Inferior?

A

Sacral Plexus L4 - S2.

69
Q

What are the muscles of the Adductor group?

A

Adductor Magnus, longus & Brevis, Pectineus and Gracilis.

70
Q

What is the Actions for the Adductors as a group?

A

They all Adduct the Thigh & Medially rotate the Hip Joint.

71
Q

What is the Actions of Gracilis?

A

It helps flex the hip joint and the knee.

72
Q

What is the Action of the Posterior fibers of Adductor Magnus?

A

Extension of the Hip joint.

73
Q

What is the (O) and (I) for the Adductor Magnus?

A

(O) Inferior Ramus of Pubis, Ramus of Ischium and Ischial Tuberosity.
(I) Medial lip of the Linea Aspera and Adductor Tubercle.

74
Q

What is the (O) and (I) for the Adductor Longus?

A

(O) Pubic tubercle.

(I) Medial lip of the Linea Aspera.

75
Q

What is the (O) and (I) for the Adductor Brevis?

A

(O) Inferior Ramus of Pubis.

(I) Pectineal line and Medial lip of the Linea Aspera.

76
Q

What is the (O) and (I) for the Pectineus?

A

(O) Superior Ramus of Pubis.

(I) Pectineal line of Femur.

77
Q

What is the (O) and (I) for the Gracilis?

A

(O) Inferior Ramus of Pubis.

(I) Proximal, Medial shaft of the tibia at pes ansernius tendon.

78
Q

What is the (O) and (I) for the Tensor Fasciae latae & Iliotibial Tract?

A

(O) Iliac crest, Posterior to the ASIS.

(I) Ilitibial tract.

79
Q

What is the Action for the IT Band?

A

Flexion of the Hip joint
Medial rotation of the Hip joint
Abduction of the Hip joint

80
Q

What is the Action of the Sartorius?

A

Flexion of the hip joint
Lateral rotation of the Hip joint
Abduction Flexion of the knee
Medial Rotation of the Flexed knee

81
Q

What is the (O) and (I) for the Sartorius?

A

(O) Anterior Superior Iliac spine (ASIS)

(I) Proximal, Medial Shaft of the Tibia at pes ansernius tendon.

82
Q

What are the Iliopsoas muscles?

A

This includes:

Psoaos Major and Iliacus.

83
Q

What is the (O) and (I) for the Psoas Major?

A

(O) Bodies & TVPs of lumbar spine.

(I) Lesser Trochanter.

84
Q

What is the Action for the Psoas major?

A

With the (O) fixed: Flexion of the hip joint, may laterally rotate the hip joint.

With the (I) fixed: Flexion of the trunk, toward the thigh, Anterior pelvic tilt.

Unilaterally: Assist to laterally flex the lumbar spine.

85
Q

What is the Action for the Iliacus?

A

Fixed (O): Flexion of the Hip, May laterally rotate the Hip joint.

Fixed (I): Flexion of the trunk, Anterior pelvic tilt.

86
Q

What is the (O) and (I) for the Iliacus?

A

(O) Iliac Fossa.

(I) Lessor trochanter.

87
Q

What is the Actions for the Gastrocnemius?

A

Flexion of the Knee

Planter Flex the Ankle

88
Q

What is the (O) and (I) for the Gastrocnemius?

A

(O) Condyles of the Femur, Posterior surfaces.

(I) Calcaneus Via Calcaneus Tendon.

89
Q

What is the Action of the Soleus?

A

Planter Flex the Ankle

90
Q

What is the (O) and (I) for the Soleus?

A

(O) Soleal line: Proximal Posterior surface of tibia and posterior aspect of head of the Fibula.
(I) Calcaneus Via calcaneal tendon.

91
Q

What is the Action for the Peroneus Longus?

A

Evert the foot.

Assist to planter flex the Ankle.

92
Q

What is the (O) and (I) for the Peroneus Longus?

A

(O) Head of Fibula and proximal 2/3 of lateral tibia.

(I) Base of the 1st metatarsal and medial cuneiform.

93
Q

What is the Action for the Peroneus Brevis?

A

Evert the foot.

Assist to planter flex the foot.

94
Q

What is the (O) and (I) for the Peroneus Brevis?

A

(O) Distal 2/3 of lateral fibula.

(I) Tuberosity of 5th metatarsal.

95
Q

What are the Extensors of the Ankle and Toes?

A

This includes:

Tibialis Anterior, Extensor Digitorum Longus, Extensor Hallucis Longus.

96
Q

What is the (O) and (I) for the Tibialis Anterior?

A

(O) Lateral condyle of tibia: Proximal, lateral surface of tibia and Interossous membrane.
(I) Medial Cuneiform and base of the 1st metatarsal.

97
Q

What is the Action for the Tibialis Anterior?

A

Invert and Dorsiflex the Ankle.

98
Q

What is the (O) and (I) for the Extensor Hallucis Longus?

A

(O) Middle Anterior Surface of Fibula and Interosseous membrane.
(I) Distal Phalanx of 1st toe.

99
Q

What is the Action for the Extensor Hallucis Longus?

A

Extend the 1st toe
Dorsiflex the Ankle
Invert the Foot

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