Quiz 6 (Posterior muscles) Flashcards Preview

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Flashcards in Quiz 6 (Posterior muscles) Deck (117):
1

splenius capitis: N

cervical spinal nerve

2

Erector spinae: A

Prime mover of back extension

3

Trapezius: O

occipital bone, ligamentum nuchae, and spinous process of C7-T12

4

Trapezius: I

Spine and acromion of scapula, lateral 1/3 of clavicle

5

Trapezius: A

stabilizes, elevates, retracts, depresses and/or rotates scapula

6

Trapezius: N

accessory never (CN XI)
spinal nerves C3-C4

7

Levator scapulae: O

transverse processes of C1-C4

8

Levator scapulae: I

superior vertebral border of scapula

9

Levator scapulae: N

spinal nerves C3-C5

10

Rhomboideus major: O

Spinous process of T2-T5

11

Rhomboideus major: I

Medial boarder of scapula from spine to inferior angle

12

Rhomboideus major: A

Adducts scapula and performs downward rotation of scapula

13

Rhomboideus major: N

Spinal nerve C5 (via dorsal scapular nerve)

14

Rhomboideus minor: O

Spinous process of C7-T1

15

Rhomboideus minor: I

Medial border of scapula, superior to rhomboideus major

16

Rhomboideus minor: A

adducts scapula and performs downwards rotation of scapula

17

Rhomboideus minor: N

Spinal nerve C5 (via dorsal scapular nerve)

18

Teres major: O

inferior angle of scapula

19

Teres major: I

intertubercular groove of humerus

20

Teres major: A

extension, medial rotation, and adduction of arm

21

Teres major: N

subscapular nerve

22

Latissimus dorsi: O

Spines of T7-L5
ribs 8-12
iliac crest
thoracolumbar fascia

23

Latissimus dorsi: I

intertubercular groove of humerus

24

Latissimus dorsi: A

prime arm extensor: adduction and medial rotation at the shoulder: depresses shoulder

25

Latissimus dorsi: N

Thoracodorsal nerve (C6-C8)

26

Muscles of the rotator cuff

supraspinatus
infraspinatus
subscapularis
teres minor

27

Supraspinatus: O

Supraspinous fossa of scapula

28

Supraspinatus: I

greater tubercle of humerus

29

Supraspinatus: A

stabilizes shoulder joint: abducts arm

30

Supraspinatus: N

Suprascapular nerve

31

Infraspinatus: O

infraspinous fossa of scapula

32

Infraspinatus: I

greater tubercle of humerus

33

Infraspinatus: A

stabilizes shoulder joint, laterally rotates arm

34

Infraspinatus: N

suprascapular nerve

35

Subscapularis: O

subscapular fossa of scapula

36

Subscapularis: I

lesser tubercle of humerus

37

Subscapularis: A

prime medial rotator of arm, stabilizes shoulder joint

38

Subscapularis: N

subscapular nerve

39

Teres minor: O

Lateral scapular border

40

Teres minor: I

greater tubercle of humerus

41

Teres minor: A

stabilizes shoulder joint, laterally rotates arm

42

Teres minor: N

axillary nerve

43

Triceps brachii: O (all three heads)

Long head: infraglenoid tubercle of scapula
Lateral head: proximal end of lateral humeral margin
Medial head: distal to radial groove on posterior humeral shaft

44

Triceps brachii: I

olecranon process of ulna

45

Triceps brachii: A

prime extensor of forearm: extends arm

46

Triceps brachii: N

radial nerve

47

Anconeus: O

lateral epicondyle of humerus

48

Anconeus: I

lateral aspect of olecranon process of ulna

49

Anconeus: A

abduction of ulna during forearm pronation, forearm extensor

50

Anconeus: N

radial nerve

51

Flexor carpi radialis: N

median nerve

52

palmaris longus: N

Median nerve

53

How many people have unilateral absence of the palmaris longus

15%

54

how many people have bilateral absence of the palmaris longus

9%

55

flexor carpi ulnaris: N

ulnar nerve

56

flexor pullicis longus: N

median nerve

57

flexor digitorum superficialis: N

median nerve

58

flexor digitorum profundus: N

Medial half-ulnar nerve
lateral half-median nerve

59

flexor wrist band

flexor retinaculum

60

Gluteus maximus: O

dorsal ilium, sacrum coccyx, and lumbodorsal fasica

61

Gluteus maximus: I

gluteal tuberosity of femur and iliotibial tract

62

Gluteus maximus:A

Major thigh extensor
lateral rotation of thigh

63

Gluteus maximus: N

Inferior gluteal nerve

64

Gluteus medius: O

Anterior iliac crest of ilium between posterior and anterior gluteal lines

65

Gluteus medius: I

greater trochanter of femur

66

Gluteus medius: A

abduction and medial rotaion of thigh
steadies pelvis

67

Gluteus medius: N

superior gluteal nerve

68

Gluteus minimus: O

lateral surface of ilium between inferior and anterior gluteal lines

69

Gluteus minimus: I

greater trochanter of the femur

70

Gluteus minimus: A

abduction and medial rotation of thigh
steadies pelvis

71

Gluteus minimus: N

Superior gluteal nerve

72

Note the emergence of the sciatic nerve

between the piriformis and superior gemellus

73

Piriformis: O

anterolateral surface of sacrum

74

Piriformis: I

greater trochanter of femur

75

Piriformis: A

Abduction (when thigh flexed) and lateral rotation of thigh

76

Piriformis: N

Spinal nerves L5-S2

77

Superior gemellus: O

ischial spine

78

Superior gemellus: I

medial surface of greater trochanter of the femur

79

Superior gemellus: A

lateral rotation of thigh
abduction (when thigh flexed)

80

Superior gemellus: N

Spinal nerves L5-S1

81

Obturator internus: O

obturator membrane, and obturator foramen

82

Obturator internus: I

greater trochanter of femur

83

Obturator internus: A

lateral rotation of thigh

84

Obturator internus: N

Spinal nerves L5-S1

85

Inferior gemellus: O

ischial tuberosity

86

Inferior gemellus: I

medial surface of greater trochanter of femur

87

Inferior gemellus: A

lateral rotation of thigh
abduction of thigh (when flexed)

88

Quadratus femoris: O

ischial tuberosity

89

Quadratus femoris: I

intertrochanteric crest of femur

90

Quadratus femoris: A

lateral rotation of thigh

91

Quadratus femoris: N

Spinal nerves L5-S1

92

Muscles of the hamstrings

biceps femoris X 2
semitendenosus
semimembranosus

93

Biceps femoris: O (both heads)

Long head: ischial tuberosity
Short head: linea aspera and distal femur

94

Biceps femoris: I

head of fibula and lateral condyle of tibia

95

Biceps femoris: A

Extension of thigh
flexion and lateral rotation of leg

96

Biceps femoris: N

Sciatic nerve

97

Semitendinosus: O

ischial tuberosity

98

Semitendinosus: I

medial aspect of proximal tibial shaft

99

Semitendinosus: A

extension of thigh
flexion and medial rotation of leg

100

Semitendinosus: N

sciatic nerve

101

Semimembranosus: O

ischial tuberosity

102

Semimembranosus: I

medial condyle of the tibia

103

Semimembranosus: A

extension of thigh
flexion and medial rotation of leg

104

Semimembranosus: N

Sciatic nerve

105

Muscles of the triceps surae

grastrocnemius (both heads)
soleus

106

Grastrocnemius: N (both heads)

Lateral head: Tibial nerve
Medial head: Tibial nerve

107

Soleus: N

Tibial nerve

108

Plantaris: N

Tibial nerve

109

Popliteus: N

Tibial nerve

110

Flexor digitorum longus: N

Tibial nerve

111

Tibialis posterior: N

Tibial nerve

112

Flexor hallucis longus: N

Tibial nerve

113

dense fascia on posterior aspect of ankle

flexor retinaculum

114

Calcaneal tendon

Large tendon on the back of the heel

115

Rotator cuff (3)

circle of tendons around glenohumeral joint
purpose to strengthen glenohumeral joint (support)
composed of 4 different muscles

116

Thickest nerve in the body

sciatic nerve

117

Two nerves that make up the sciatic nerve

tibial nerve
common peroneal nerve