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► Med - Anatomy & Physiology > Muscle Locations > Flashcards

Muscle Locations Flashcards

1
Q

what is the origin of the coracobrachialis?

A

coracoid process of scapula

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2
Q

what is the insertion of the coracobrachialis?

A

midshaft of humerus

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3
Q

what is the action of the coracobrachialis?

A

adducts arm and flexes shoulder

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4
Q

what is the origin of the deltoid?

A

clavicle, acromion process and scapular spine

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5
Q

what is insertion of the deltoid?

A

deltoid tuberosity

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6
Q

what is the action of the deltoid? (3) (FAM)

A

1) flexes and extends shoulder
2) abducts
3) medially and laterally rotates arm

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7
Q

what is the origin of the latissiumus dorsi?

A

spinous processes of T7-L5, sacrum and iliac crest, inferior angle of scapula in some people

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8
Q

what is the insertion of the latissimus dorsi?

A

medial crest of interubercular groove

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9
Q

what is the action of the latissimus dorsi?

A

adducts and medially rotates arm, extends shoulder

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10
Q

what is the origin of the pectoralis major? (4) (CSSA)

A

1) clavicle
2) sternum
3) superior 6 coostal cartilages
4) abdominal aponeurosis

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11
Q

what is the insertion of the pectoralis major?

A

lateral crest of intertubercular groove

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12
Q

what is the action of the pectoralis major?

A

1) flexes shoulder
2) adducts and medially rotates arm
3) extends shoulder from flexed position

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13
Q

what is the origin of the teres major?

A

lateral border of scapula

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14
Q

what is the insertion of teres major?

A

medial crest of intertubercular groove

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15
Q

what is the action of the teres major?

A

extends shoulder and adducts and medially rotates arm

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16
Q

what parts make up the rotator cuff? (4)

A

1) infraspinatus
2) subscapularis
3) supraspinatus
4) teres minor

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17
Q

what is the origin of the infraspinatus?

A

infraspinous fossa of scapula

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18
Q

what is the insertion of the infraspinatus?

A

greater tubercle of humerus

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19
Q

what is the action of the infraspinatus?

A

laterally rotates arm and holds head of humerus in place

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20
Q

what is the origin of the subscapularis?

A

subscapular fossa

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21
Q

what is the insertion of the subscapularis?

A

lesser tubercle of humerus

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22
Q

what is the action of the subscapularis?

A

medially rotates arm and holds head of humerus in place

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23
Q

what is the origin of the supraspinatus?

A

supraspinous fossa

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24
Q

what is the insertion of the the supraspinatus?

A

abducts arm and holds head of humerus in place

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25
Q

what is the origin of the teres minor?

A

lateral border of scapula

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26
Q

what is the insertion of the teres minor?

A

greater tubercle of humerus

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27
Q

what is the action of the teres minor?

A

laterally rotates and adducts arm and holds head of humerus in place

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28
Q

which shoulder and arm muscles do flexion? (4) (DPCB)

A

1) deltoid
2) pectoralis major
3) coracobrachialis
4) biceps brachii

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29
Q

which shoulder and arm muscles do extension? (5) (DTLPT)

A

1) deltoid
2) teres major
3) lattisimus dorsi
4) pectoralis major
5) triceps brachii

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30
Q

which arm and shoulder muscles do abduction?

A

1) deltoid

2) supraspinatus

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31
Q

which arm and shoulder muscles do adduction? (7) (PLTTTTC)

A

1) pectoralis major
2) latissiumus dorsi
3) teres major
4) teres minor
5) triceps minor
6) triceps brachii
7) coracobrachialis

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32
Q

which arm and shoulder muscles do medial rotation? (5) (PTLDS)

A

1) pectoralis major
2) teres major
3 )latissimus dorsi
4) deltoid
5) subscapularis

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33
Q

which arm and shoulder muscles do lateral rotation? (3) (DIT)

A

1) deltoid
2) infraspinatus
3) teres minor

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34
Q

what is the origin of the biceps brachii?

A

long head- supraglenoid tubercle

short head- coracoid prcoess

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35
Q

what is the insertion of the biceps brachii?

A

radial tuberosity and aponeurosis of biceps brachii

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36
Q

what is the action of the biceps brachii?

A

flexes shoulder and elbow and supinates forearm and hand

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37
Q

what is the origin of the brachialis?

A

anterior surface of humerus

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38
Q

what is the insertion of the brachialis?

A

ulnar tuberosity and coronoid process of ulna

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39
Q

what is the action of the brachialis?

A

flexes elbow

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40
Q

what is the origin of the triceps brachii?

A

long head- infraglenoid tubercle on lateral border of scapula
lateral head- lateral and posterior surface of humerus
medial head- posterior humerus

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41
Q

what is the insertion of triceps brachii?

A

olecranon process of ulna

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42
Q

what is the action of tricpes brachii?

A

extends elbow and extends shoulder and adducts arm

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43
Q

what is the origin of the brachioradialis?

A

lateral supracondylar ridge of humerus

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44
Q

what is the insertion of the brachioradialis?

A

styloid process of radius

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45
Q

what is the action of the brachioradialis?

A

flexes elbow

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46
Q

what is the origin of the pronator teres?

A

medial epicondyle of humerus and coronoid process of ulna

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47
Q

what is the insertion of pronator teres?

A

radius

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48
Q

what is the action of the pronator teres?

A

pronates forearm (and hand)

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49
Q

what is the origin of the supinator?

A

lateral epicodyle ofhumerus and ulna

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50
Q

what is the insertion of the supinator?

A

radius

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51
Q

what is the action of the supinator?

A

supinates forearm (and hand)

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52
Q

what is the origin of the flexor carpi radialis?

A

medial epicondyle of humerus

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53
Q

what is the insertion of the flexor carpi radialis

A

second and third metacarpal bones

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54
Q

what is the action of the flexor carpi radialis?

A

flexes and abducts wrist

55
Q

what is the origin of the flexor carpi ulnaris?

A

medial epicondyle of humerus and ulna

56
Q

what is insertion of the flexor carpi ulanaris?

A

pisiform, hamate, and 5th metacarpal bones

57
Q

what is the action of the flexor carpi ulanris?

A

flexes and adducts wrist

58
Q

what is the origin of the flexor digitorum superficialis?

A

medial epicondyle of humerus, coronoid process and radius

59
Q

what is the insertion for the flexor digitorum superficialis?

A

middle phalanges of digits 2-5

60
Q

what is the action of the flexor digitorum superficialis?

A

flexes gingers at interphalangeal joints and wrist

61
Q

what is the origin of the palmaris longus?

A

medial epicondyle of humerus

62
Q

what is the insertion of the palmaris longus?

A

palmar fascia

63
Q

what is the action of the palmaris longus?

A

tenses palmar fascia and flexes wrist

64
Q

what is the origin of extensor carpi ulnaris?

A

lateral epicondyle of humerus and ulna

65
Q

what is the insertion of the extensor carpi ulnaris?

A

base of 5th metacarpal bone

66
Q

what is the action of the extensor carpi ulnaris?

A

extends and adducts wrist

67
Q

what is the origin for the extensor digitorum?

A

lateral epicondyle of humerus

68
Q

what is insertion for the extensor digitorum?

A

extensor tendon expansion over phalanges of digits 2-5

69
Q

what is the action of the extensor digitorum?

A

extends fingers and wrists

70
Q

what is the origin of the psoas major?

A

T12-L5

71
Q

what is the insertion of the psaos major?

A

lesser trochanter or femur

72
Q

what is the action of the psaos major?

A

flexes hip

73
Q

what is the origin of the gluteus maximus?

A

posterior surface of ilium, sacrum and coccyx

74
Q

what is the insertion of the gluteus maximus?

A

gluteal tuberosity of femur and iliotibial tract

75
Q

what is the action of the gluteus maximus?

A

extends hip, abducts and laterally rotates thigh

76
Q

what is the origin of the gluteus medius?

A

posterior surface of ilium

77
Q

what is the insertion of the gluteus medius?

A

greater trochanter of femur

78
Q

what is the action of the gluteus medius?

A

abducts and medially rotates thigh and tilts pelvis toward supported side

79
Q

what is the origin for the tensor fasciae latae?

A

anterior superior iliac spine

80
Q

what is the insertion for the tensor fasciae latae?

A

through iliotibial tract to lateral condyle of tibia

81
Q

what is the action of the tensor fasciae latae? (5)(TSFAT)

A

1) tenses lateral fascia
2) stabilizes femur on tibia when standing
3) flexes hip
4) abducts and medially rotates thigh
5) tilts pelvis

82
Q

which hip and thigh muscles do flexion? (5) (TRSAP)

A

1) tensor fasciae latae
2) rectus femoris
3) sartorius
4) adductor longus
5) pectineus

83
Q

what four muscles make up the quadriceps?

A

1) rectus femoris
2) vastus lateralis
3) vastus intermedius
4) vastus medialis

84
Q

what is the origin for the rectus femoris

A

anterior inferior iliac spine

85
Q

what is the insertion for the quadriceps femoris?

A

patella and onto tibial tuberosity through patellar ligament

86
Q

what is the action for the quadriceps femoris?

A

extends knee and the rectus femoris flexes hip

87
Q

what is the origin for the vastus lateralis?

A

greater trochanter and linea aspera of femur

88
Q

what is the origin of the vastus intermedius

A

body of femur

89
Q

what is the origin of the vastus meidalis?

A

linea aspera of femur

90
Q

what is the origin for the sartorius?

A

anterior superior iliac spine

91
Q

whati s the insertion for the sartorius?

A

medial side of tibial tuberosity

92
Q

what is the action of the sartorius?

A

flexes hip and knee and rotates thigh laterally and leg medially

93
Q

what is the origin of the adductor longus?

A

pubis

94
Q

what is the insertion of the adductor longus?

A

linea aspera of femur

95
Q

what is the action of the adductor longus?

A

adducts and laterally rotates thigh and flexes hip

96
Q

what is the origin of the adductor magnus?

A

adductor part: pubis and ischium and hamstring parrt: ischial tuberosity

97
Q

what is the insertion of the adductor magnus?

A

adductor part: linea aspera of femur

hamstrings part: adductor tubercle of femur

98
Q

what is the action of the adductor magnus?

A

adductor part: adducts thigh and flexes thigh

hamstrings part: extends hip and adducts thigh

99
Q

what is the origin of the gracilis?

A

pubis near symphysis

100
Q

what is the insertion of the gracilis?

A

tibia

101
Q

what is the action of the gracilis?

A

adducts thigh and flexes knee

102
Q

what is the origin of the pectineus?

A

pubic crest

103
Q

what is the insertion of the pectineus?

A

pecrineal line of femur

104
Q

what is the action of the pectineus?

A

adducts thigh and flexes hip

105
Q

what muscles make up the hamstrings? (3)

A

1) biceps femoris
2) semimembranosus
3) semitendinosus

106
Q

what is the origin of the biceps femoris?

A

long head- ischial tuberosity

short head- femur

107
Q

what is the insertion of the biceps femoris?

A

head of fibula

108
Q

what is the action of the biceps femoris?

A

flexes knee and laterally rotates leg and extends hp

109
Q

what is the origin of the semimebrnosus?

A

ischial tuberosity

110
Q

what is the insertion of the semiembranosus?

A

medial condyle of tibia and collateral ligament

111
Q

what is the action of the semimembranosus? (4)

A

1) flexes knee
2) medially rotates leg
3) tenses capsule of knee joint
4) extends hip

112
Q

what is the origin of the semitendinosus?

A

ischial tuberosity

113
Q

what is the insertion of the semitendinosus?

A

tibia

114
Q

what is the action of the semitendinosus?

A

flexes knee, medially rotates leg and extends hip

115
Q

which thigh and leg muscles do extension? (5) (GSSBA)

A

1) gluteus maximus
2) semtendinosus
3) semimembranosus
4) bicepts femoris
5) abductor magnus

116
Q

which thigh and leg muscles do abduction? (3) (GGT)

A

1) gluteus maximus
2) gluteus medius
3) tensor fasciae latae

117
Q

which thigh and leg muscles do adduction? (4) (AAPG)

A

1) adductor mangus
2) adductor longus
3) pectineus
4) gracilis

118
Q

which thigh and leg muscles do medial rotation? (2) (TG)

A

1) tensor fasciae latae

2) gluteus medius

119
Q

which leg and thigh muscles do lateral rotation? (3) (GAA)

A

1) glutues maximus
2) adductor magnus
3) adductor longus

120
Q

what is the origin of the tibialis anterior

A

proximal, lateral tibia and interosseous membrane

121
Q

what is the insertion of the tibialis anterior?

A

medial cuneiform and first metatarsal bone

122
Q

what is the action of the tibialis anterior?

A

dorsiflexes and inverts foot

123
Q

what is the origin of the fibularis longus?

A

superior two-thirds of lateral fibula

124
Q

what is the insertion of the fibularis longus?

A

first metatarsal bone and medial cuneiform

125
Q

what is the action of the fibularis longus?

A

everts and plantar flexes foot

126
Q

what is the origin of the gastrocnemius?

A

medial and lateral condyles of femur

127
Q

what is the insertion of the gastrocnemius?

A

through calcaneal (Achilles) tendon to calcaneus

128
Q

what is the action of the gastrocnemius?

A

plantar flexes foot and flexes knee

129
Q

what is the origin of the soleus?

A

fibula and tibia

130
Q

what is the insertion of the soleus?

A

through calcaneal tendon to calcaneus

131
Q

what is the action of the soleus?

A

plantar flexes foot

132
Q

what is the origin of the tibialis posterior?

A

tibia, interosseous membrane and fibula

133
Q

what is the insertion of the tibialis posterior?

A

navicular, cuneiforms, cuboid and 2nd through 4th metatarsal bones

134
Q

what is the action of the tibialis posterior?

A

plantar flexes and inverts foot

► Med - Anatomy & Physiology (130 decks)

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