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Board Prep > Week 0 Muscles > Flashcards

Week 0 Muscles Flashcards

1
Q

Pectoralis Major action

A

Flexion, medial rotation and horizontal adduction of shoulder.
Scapular Protraction and Depression

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2
Q

Pectoralis Major Innervation

A

Lateral pectoral

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3
Q

Pectoralis Minor action

A

Downward Rotation of scapula, Scapular Protraction and Depression

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4
Q

Pectoralis Minor innervation

A

Medial Pectoral

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5
Q

Serratus Anterior Action

A

Upward Rotation of scapula,
Scapular Protraction and Depression

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6
Q

Serratus Anterior Innervation

A

Long thoracic

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7
Q

Trapezius Action

A

Upper fibers- Scapula elevation,
Middle fibers- Scapula Retraction
Lower fibers- Scapula Depression

Upper and lower fibers-Upward
rotation of scapula

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8
Q

Trapezius Innervation

A

Cranial nerve XI (spinal accessory nerve)

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9
Q

Rhomboid Major and Minor Action

A

Adduction, elevation and downward rotation of scapula

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10
Q

Rhomboid Major and Minor Innervation

A

Dorsal scapular

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11
Q

Levator Sccapulae Action

A

Scapular Elevation and Downward
Rotation

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12
Q

Levator Scapulae Innervation

A

Ventral rami of spinal
nerves (C3-C4) and the
dorsal scapular nerve

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13
Q

Sternocleidomastoid Action

A

U/L: Same side flexion & opposed side rotation of neck

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14
Q

Sternocleidomastoid Innervation

A

Spinal Accessory Nerve (CN XI)

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15
Q

Latissimus Dorsi Action

A

Medial rotation, adduction and
extension of shoulder joint

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16
Q

Latissimus Dorsi Innervation

A

Thoracodorsal

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17
Q

Deltoid Action

A

Abduction at shoulder
Anterior fibers: flex the shoulder
Posterior fibers: extend the shoulder

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18
Q

Deltoid Innervation

A

Axillary

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19
Q

Teres Major Action

A

Shoulder medial rotation, extension,
adduction

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20
Q

Teres Major Innervation

A

Lower subscapular

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21
Q

Coracobrachialis Action

A

Flexion of arm

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22
Q

Coracobrachialis Innervation

A

Musculocutaneous

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23
Q

Subscapularis Action

A

Medially rotate shoulder, adduct at shoulder

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24
Q

Subscapularis Innervation

A

Upper and Lower Subscapular nerves

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25
Q

Supraspinatus

A

Shoulder abduction up to 15 degrees

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26
Q

Supraspinatus innervation

A

Suprascapular

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27
Q

Infraspinatus Action

A

Lateral rotation at shoulder

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28
Q

Infraspinatus inneravtion

A

Suprascapular

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29
Q

Teres Minor Action

A

Lateral rotation at shoulder

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30
Q

Teres Minor Innervation

A

Axiallary

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31
Q

Long head of Biceps

A

Flexion of elbow, supination of
forearm, flexion of shoulder

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32
Q

Long head of Biceps Innervation

A

Musculocutaneous

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33
Q

Short head of Biceps Action

A

Flexion of elbow, supination of
forearm, flexion of shoulder

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34
Q

Short head of Biceps Innervation

A

Musculocutaneous

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35
Q

Brachialis Action

A

Flex elbow

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36
Q

Brachialis innervation

A

Musculocutaneous

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37
Q

Lateral Head of Triceps Action

A

Extend elbow and shoulder

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38
Q

Lateral Head of Triceps Innervation

A

Radial

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39
Q

Long Head of Triceps Action

A

Extend elbow and shoulder

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40
Q

Long head of Triceps innervation

A

Radial

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41
Q

Medial Head of Triceps Action

A

Extend elbow and shoulder

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42
Q

Medial Head of Triceps innervation

A

Radial

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43
Q

Brachioradialis Action

A

Elbow Flexion especially
in mid-prone position

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44
Q

Brachioradialis Innervation

A

Radial

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45
Q

Anconeus Action

A

Weak elbow extensor

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46
Q

Anconeus Innervation

A

Radial

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47
Q

Extensor Carpi Radialis
Longus and Brevis Action

A

Wrist extension and Radial deviation

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48
Q

Extensor Carpi Radialis
Longus and Brevis Innervation

A

Radial

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49
Q

Extensor Digitorum Action

A

Extends the MCP joints, extends the
IP joints of the second through fifth
digits

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50
Q

Extensor Digitorum Innervation

A

Radial

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51
Q

Extensor Digiti Minimi Action

A

Extends the MCP joints, extends the
IP joints of the little finger

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52
Q

Extensor Digiti Minimi Innervation

A

Radial

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53
Q

Extensor Carpi Ulnaris Action

A

Extension of wrist and ulnar deviation

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54
Q

Extensor Carpi Ulnaris Innervation

A

Radial

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55
Q

Abductor Policis Longus Action

A

1st digit ABD and extension at CMC joint

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56
Q

Abductor Policis Longus innervation

A

Radial

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57
Q

Extensor Policis Brevis Action

A

1st digit extension at MCP, IP joints

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58
Q

Extensor Policis Brevis Innervation

A

Radial

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59
Q

Extensor Policis Longus Action

A

1st digit extension at MCP, IP joints

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60
Q

Extensor Policis Longus Innervation

A

Radial

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61
Q

Extensor Indicis Action

A

2nd digit extension and wrist extension

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62
Q

Extensor Indicis Nerve

A

Radial

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63
Q

Supinator Action

A

Supination of forearm

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64
Q

Supinator Innervation

A

Radial

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65
Q

Pronator Teres Action

A

Pronation of forearm, elbow flexion

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66
Q

Pronator Teres Innervation

A

Median

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67
Q

Flexor Carpi Radialis Action

A

wrist flexion, radial deviation

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68
Q

Flexor Carpi Radialis Innervation

A

Median

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69
Q

Palmaris Longus Action

A

Flexion of wrist

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70
Q

Palmaris Longus Innervation

A

Median

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71
Q

Flexor Carpi Ulnaris Action

A

Wrist flexion, Ulnar deviation

72
Q

Flexor Carpi Ulnaris Innervation

A

ulnar

73
Q

Flexor Digitorium Superficialis Action

A

Flexion of PIP joint of fingers

74
Q

Flexor Digitorium Superficialis Innervation

A

Median

75
Q

Flexor Pollicis Longus Action

A

Flexion of distal phalanx of thumb

76
Q

Flexor Pollicis Longus Innervation

A

Median

77
Q

Flexor digitorium Profundus Action

A

Flex wrist, flex all joints to DIP in digits 2-5

78
Q

Flexor Digitorum Profundus Innervation

A

Medial half: ulnar nerve
Lateral half: median
nerve

79
Q

Pronator Quadratus Action

A

Pronates Forearm

80
Q

Pronator Quadratus Innervation

A

Median

81
Q

Abductor Policis Brevis Action

A

Abduction of thumb at MCP, CMC joint

82
Q

Abductor Policis Brevis Innervation

A

Median

83
Q

Flexor Policis Brevis Action

A

Flexion of thumb

84
Q

Flexor Policis Brevis Innervation

A

Median

85
Q

Opponens Pollicis Action

A

Opposition of thumb

86
Q

Opponens Policis Innervation

A

Median

87
Q

Adductor Policis Action

A

Adduction of thumb

88
Q

Adductor Policis Innervation

A

Ulnar

89
Q

Abductor Digiti Minimi Action

A

abduction of the little finger at MCP joint

90
Q

Abductor Digiti Minimi Innervation

A

Ulnar

91
Q

Opponens Digiti Minimi Action

A

Flexion of 5th metacarpal, lateral rotation producing opposition

92
Q

Opponens Digiti Minimi Innervation

A

Ulnaris

93
Q

Lumbricals of the hand Action

A

Flexion at MCP, Extension at IP

94
Q

Lumbricals of the Hand Innervation

A

Medial two: ulnar nerve
Lateral two: median
nerve

95
Q

Dorsal Interossei Action

A

Abduction of 2nd, 3rd, 4th digits away from middle finger

96
Q

Dorsal Interossei Innervation

A

Ulnar

97
Q

Palmar Interossei

A

Adduction of 2nd, 4th, 5th digits toward middle finger, flexion of digits at MCO, extension at IP

98
Q

Palmar Interossei Innervation

A

Ulnar

99
Q

External Intercostals Action

A

Elevate ribs during inspiration

100
Q

External Intercostals Innervation

A

Intercostal nerves

101
Q

Internal Intercostals Action

A

Draw ribs downward during forced expiration

102
Q

Internal Intercostals Innervation

A

Intercostal nerves

103
Q

Transversus Thoracis Action

A

Depresses the ribs

104
Q

Tranversus Thoracis Innervation

A

Intercostal nerves

105
Q

Quadratus Lumborum Action

A

extension and side flexion of lumbar spine, expiration

106
Q

Quadratus Lumborum Innervation

A

Ventral ramus of spinal nerve roots T12-L3

107
Q

Psoas Major Action

A

forward flexion and side flexion of lumbar spine, flexion of the hip joint a

108
Q

Psoas Major Innervation

A

Branches of ventral rami L1-L3

109
Q

Illiacus Action

A

Flexion of hip joint

110
Q

Iliacus Innervation

A

Femoral Nerve

111
Q

Rectus Abdominis Action

A

Expiration, flexion of the spine

112
Q

Rectus Abdominis Innervation

A

Lower six or seven thoracic nerves `

113
Q

External Oblique Action

A

Bilaterally: flexion of the trunk and
posterior tilt of the pelvis
Unilaterally: lateral flexion and
contralateral rotation of the trunk

114
Q

External Oblique Innervation

A

Lower six thoracic nerves

115
Q

Internal Oblique Action

A

Unilaterally: lateral flexion and
ipsilateral rotation of the trunk
Bilaterally: flexion of the trunk and
posterior tilt of the pelvis

116
Q

Internal Oblique Innervation

A

Lower six thoracic nerves and the first lumbar nerves

117
Q

Transversus Abdominis Action

A

Bilaterally: stabilization of attachment
sites for other abdominal muscles;
compression of the abdominal cavity

118
Q

Transverus Abdominis Innervation

A

lower six thoracic nerves and the first lumbar nerve

119
Q

Rectus Femoris Action

A

Extends knee and flexes hip

120
Q

Rectus Femoris Innervation

A

Femoral

121
Q

Vastus Lateralis Action

A

Extends knee

122
Q

Vastus Lateralis Innervation

A

Femoral

123
Q

Vastus Medialis Innervation

A

Femoral

124
Q

Vastus Intermedius Action

A

extends knee

125
Q

Vastus Intermedius Innervation

A

Femoral

126
Q

Sartorius Action

A

Hip flexion, abduction, lateral rotation, knee flexion

127
Q

Sartorius Innervation

A

Femoral

128
Q

Pectineus Action

A

Hip flexion, adduction, medial rotation

129
Q

Pectineus Innervation

A

Femoral

130
Q

Adductor Longus Action

A

Hip adduction, flexion, medial rotation

131
Q

Adductor Longus Innervation

A

Obturator

132
Q

Adductor Brevis Action

A

Hip adduction, flexion, medial rotation

133
Q

Adductor Brevis Innervation

A

Obturator

134
Q

Adductor Magnus Action

A

Hip adduction, extension, medial rotation

135
Q

Adductor Magnus Innervation

A

Obturator and tibial portion of sciatic nerve

136
Q

Gracilis Action

A

Hip flexion, medial rotation, adduction and flexion of knee

137
Q

Gracilis Innervation

A

Obturator

138
Q

Gluteus Maximus Action

A

Hip extension & external rotation
Secondary action: hip adduction

139
Q

Gluteus Maximus Innnervation

A

Inferior Gluteal

140
Q

Gluteus Medius and gluteus minimus Action

A

Abduction of hip
Assist in medial and lateral rotation
of hip

141
Q

Gluteus Medius and Gluteus Minimus Innervation

A

Superior gluteal

142
Q

Tensor Fasciae Latae Action

A

Flex, abduct, medially rotate hip

143
Q

Tensor Fascia Latae Innervation

A

Superior Gluteal

144
Q

Piriformis Actions

A

Lateral rotators of hip

145
Q

Piriformis Innervation

A

Nerve to the piriformis

146
Q

Biceps Femoris Action

A

Flex knee, extend hip

147
Q

Bicep Femoris Innervation

A

Sciatic

148
Q

Semimembranosus Action

A

Flex knee, extend hip

149
Q

Semimembranosus Innervation

A

Sciatic

150
Q

Semitendinosus Action

A

Flex knee, extend hip

151
Q

Semitendinosus Innervation

A

Sciatic

152
Q

Tibialis Anterior Action

A

Dorsiflexion, inversion

153
Q

Tibialis Anterior Innervation

A

Deep Peroneal

154
Q

Extensor Digitorum Longus Action

A

Toe extension, ankle dorsiflexion, eversion

155
Q

Extensor Digitorum Longus Innervation

A

Deep peroneal

156
Q

Extensor Hallucis Longus Action

A

1st toe extension, ankle dorsiflexion, inversion

157
Q

Extensor Hallucis Longus Innervation

A

Deep peroneal

158
Q

Peroneus Tertius Action

A

Ankle dorsiflexion, eversion

159
Q

Peroneus Tertius Innervation

A

Deep peroneal

160
Q

Peroneus Longus Actions

A

Plantarflexion, eversion

161
Q

Peroneus Longus Innervation

A

Superficial Peroneal

162
Q

Peroneus Brevis Action

A

Plantarflexion, eversion

163
Q

Peroneus Brevis Innervation

A

Superficial peroneal

164
Q

Gastrocnemius Action

A

Plantar flexion, knee flexion

165
Q

Gastrocnemius Innervation

A

Tibial

166
Q

Soleus Action

A

Plantar flexion

167
Q

Soleus Innervation

A

Tibial

168
Q

Plantaris Action

A

Slight knee flexion, plantarflexion

169
Q

Plantaris Innervation

A

Tibial

170
Q

Popliteus Action

A

Knee flexion and internal rotation

171
Q

Popliteus Innervation

A

Tibial

172
Q

Flexor Digitorum Longus Action

A

2-5 toes flexion, plantar flexion, inversion

173
Q

Flexor Digitorum Longus Innervation

A

Tibial

174
Q

Flexor Hallucis Longus Action

A

Flexion of Great, Plantarflexion, Inversion

175
Q

Flexor Hallucis Longus Innervation

A

Tibial

176
Q

Tibialis Posterior Action

A

Plantarflexion, inversion

177
Q

Tibialis Posterior Innervation

A

Tibial

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