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Fall 2017 > Anatomy OINA > Flashcards

Anatomy OINA Flashcards

1
Q

Abductor Pollicis Brevis innervation and action:

A

Innervation: Median Nerve Action: Thumb abduction

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2
Q

Flexor Pollicis Brevis Superficial head innervation and action:

A

Innervation: median nerve Action: Thumb MCP Flexion

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3
Q

Flexor Pollicis Brevis Deep head innervation and action:

A

Innervation: Ulnar Action: Thumb MCP Flexion

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4
Q

Opponens Pollicis innervation and action:

A

Innervation: median nerve Action: Oppose thumb

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5
Q

Adductor Pollicis innervation and action:

A

Innervation: ulnar nerve Action: Thumb adduction and thumb MCP flexion

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6
Q

Palmaris Brevis innervation and action:

A

Innervation: Ulnar Action: Wrinkles skin

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7
Q

Abductor digiti minimi innervation and action:

A

Innervation:Ulnar nerve Action: Small finger abduction

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8
Q

Flexor digiti minimi brevis innervation and action:

A

Innervation: Ulnar nerve Action: small finger MCP flexion

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9
Q

Opponens digiti minimi innervation and action:

A

Innervation: ulnar nerve Action: oppose small finger

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10
Q

Lumbricals 1&2 innervation and action:

A

Innervation: median nerve Action: Extend PIP, Flex MCP

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11
Q

Lumbricals 3&4 innervation and action:

A

Innervation: Ulnar nerve Action: Extend PIP, Flex MCP

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12
Q

Dorsal interosseous innervation and action:

A

Innervation: ulnar nerve Action: digit abduction and MCP flexion

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13
Q

Palmar interosseous innervation and action:

A

Innervation: ulnar nerve Action: digit adduction

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14
Q

Anconeus OINA:

A

O: Lateral epicondyle I: Posterior Proximal Ulna N: Radial A: Forearm extension

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15
Q

Extensor Digitorum Communis OINA:

A

O: Lateral Epicondyle I: MCP: sagittal band, P2: central slip, P3: Terminal insertion N: Radial- PIN A: Digit extension

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16
Q

Extensor Digiti Minimi OINA:

A

O: Lateral epicondyle I: Small finger MCP N: Radial- PIN A: Small finger extension

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17
Q

Extensor Carpi Ulnaris OINA:

A

O: Lateral Epicondyle I: Base of 5th MC N: Radial- PIN A: hand extension and ulnar deviation

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18
Q

Extensor Radialis Brevis OINA:

A

O: Lateral Epicondyle I: Base of 3rd MC N: Radial- PIN A: Wrist Extension

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19
Q

Brachioradialis OINA:

A

O: Lateral Condyle I: Distal radius N: Radial A: Forearm flexion

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20
Q

Extensor Carpi Radialis Longus OINA:

A

O: Lateral Condyle I: Base of 2nd MC N: Radial A Wrist extension

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21
Q

Supinator OINA:

A

O: Posterior Medial Ulna I: Proximal Lateral Radius N: Radial- PIN A: Supinates forearm

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22
Q

Abductor Pollicis Longus OINA:

A

O: Posterior Radius and Ulna I: Base of 1st thumb metacarpal N: Radial- PIN A: Abducts and extends thumb

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23
Q

Extensor Pollicis Brevis OINA:

A

O: Posterior Radius I: Base of thumb proximal phalanx N: Radial- PIN A: Extends the thumb at MCP

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24
Q

Extensor Pollicis Longus OINA:

A

O: Posterior Ulna I: Base of thumb distal Phalanx N: Radial- PIN A: Extends the Thumb at IP

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25
Q

Extensor Indicis Proprius OINA:

A

O: Posterior Ulna I: MCP, PIP, DIP or index finger N: Radial- PIN A: extends index finger

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26
Q

Pronator Teres OINA:

A

O: Medial Epicondyle I: Lateral radius N: Median A: Pronates and flex forearm

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27
Q

Flexor Carpi Radialis OINA:

A

O: Medial Epicondyle I: Base of 2nd and 3rd metacarpal N: Median A: Flex wrist and radial deviation

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28
Q

Palmaris Longus OINA:

A

O: Medial Epicondyle I: Flexor retinaculum/ Palmar aponeurosis N: Median A: Flex wrist

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29
Q

Flexor Carpi Ulnaris OINA:

A

O: Medial Epicondyle I: Pisiform, Hook of Hamate, 5th MC N: Ulnar A: Flex wrist and ulnar deviation

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30
Q

Flexor Digitorum Superficialis OINA:

A

O: Medial Epicondyle I: Middle Phalanges of digits N: Median A: Flex PIP joint and wrist

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31
Q

Flexor Digitorum Profundus OINA:

A

O: Anterior Ulna and interosseous membrane I: Distal phalanx of IF, MF, RF, SF N: Median- AIN (IF 1/2 MF) Ulnar (1/2 MF, RF, SF) A: Flex DIP and Wrist

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32
Q

Flexor Pollicis Longus OINA:

A

O: Anterior radius and proximal ulna I: Distal phalanx of thumb N: Median- AIN A: Flex thumb IP

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33
Q

Pronator Quadratus OINA:

A

O: Medial distal ulna I: Anterior distal radius N: Median- AIN A: Pronate forearm

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34
Q

Triceps OINA:

A

O: Long Head: Infraglenoid tubercle Lateral head: Proximal Posterior Humerus Medial Head: Distal Posterior Humerus I: Olecranon N Radial A: Elbow extensor

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35
Q

Brachialis OINA:

A

O: Distal Anterior Humerus I: Ulnar Tuberosity N: Medial: Musculocutaneous Lateral: Radial A: Flex Forearm

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36
Q

Biceps Brachii OINA:

A

O: Long head: Supraglenoid tubercle Short head: Coracoid Process I: Radial Tuberosity N: Musculocutaneous A: Flex and supinate forearm

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37
Q

Coracobrachialis OINA:

A

O: Coracoid process I: middle humerus N: Musculocutaneous A: Flex and adduct arm

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38
Q

Deltoid OINA:

A

O: Clavicle, Acromion, Spine of scapula I: Deltoid tuberosity N: Axillary A: Abducts arm

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39
Q

Pectoralis Major OINA:

A

O: Clavicle and Sternum I: Intertubercular Groove N: Lateral Pectoral and Medial Pectoral A: Internal Rotator and Adducts arm

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40
Q

Pectoralis Minor OINA:

A

O: Ribs 3-5 I: Coracoid process N: Medial pectoral A: Stabilizes scapula

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41
Q

Serratus anterior OINA:

A

O: Lateral ribs 1-8 I: Medial border of scapula N: Long thoracic A: Upward rotation of scapula

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42
Q

Subclavius OINA:

A

O: Rib 1 and costal cartilage I: Mid 3rd of clavicle N: Nerve to subclavius A: Depresses clavicle

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43
Q

Supraspinatus OINA:

A

O: Supraspinatus fossa I: Greater tubercle N: Subscapular A: Abduct arm

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44
Q

Infraspinatus OINA:

A

O: Infraspinatus fossa I: Greater tubercle N: subscapular A: External rotator

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45
Q

Teres Minor OINA:

A

O: Lateral scapula I: Greater tubercle N: Axillary A: External rotator

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46
Q

Subscapularis OINA:

A

O: Subscapular fossa I: Lesser tubercle N: upper and lower subscapular A: Internal rotator and adduct arm

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47
Q

Teres Major OINA:

A

O: Inferior angle of scapula I: Intertubercular groove N: Low subscapular A: Internal rotation and adduct arm

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48
Q

Trapezius OINA:

A

O: C7-T12 I: Clavicle, Acromion, Spine of scapula N: Cranial nerve XI A: elevate and rotate scapula

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49
Q

Latissimus Dorsi OINA:

A

O: T7-T12, Illiac crest I: Intertubercular groove N: Thoracodorsal A: Adduct, extend, internal rotation

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50
Q

Levator scapulae OINA:

A

O: C1-C4 I: Superior medial scapula N: Dorsal scapular, C3-C4 A: Elevate scapula

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51
Q

Rhomboid minor OINA:

A

O: C7- T1 I: Medial scapula N: dorsal scapular A: Adduct scapula

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52
Q

Rhomboid Major OINA:

A

O: T2- T5 I: Medial scapula N: Dorsal scapular A: Adduct scapula

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53
Q

Muscle of the Thenar compartment:

A

APB FPB OP

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54
Q

Muscles of the Adductor compartment:

A

Adductor Pollicis

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55
Q

Muscles of the Hypothenar compartment:

A

PB Abductor Digiti Minimi Flexor Digiti Minimi Brevis Opponens Digiti minimi

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56
Q

2-5 Intrinsic Muscles:

A

Lumbricals 1-4 Dorsal interosseous Palmar interosseous

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57
Q

2-5 Extrinsic muscles:

A

EDC EDM Extensor indicis proprius FDS FDP

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58
Q

Intrinsic thumb muscles:

A

APB OP FPB Adductor Pollicis 1st palmar interossei

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59
Q

Extrinsic Thumb muscles:

A

APL FPL EPL EPB

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60
Q

Common Extensor Tendon Muscles:

A

Anconeus Extensor Digitorum Communis Extensor Digiti Minimi Extensor carpi ulnaris Extensor carpi radialis

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61
Q

Deep Extensor muscles:

A

Supinator APL EPB EPL Extensor indicis proprius

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62
Q

Common flexor Tendon muscles:

A

Pronator Teres Palmaris longus Flexor Carpi radialis Flexor Carpi ulnaris Flexor digitorum superficialis

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63
Q

Deep Flexor muscles of the arm:

A

Flexor digitorum profundus Flexor Pollicis Longus Pronator Quadratus

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64
Q

Origin of Platysma:

A

Fascia: deltoid/ pectoralis major

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65
Q

Insertion of the platysma:

A

Mandible; skin

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66
Q

Action of the platysma:

A

Depress jaw

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67
Q

Innervation of Platysma:

A

CN 7

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68
Q

Origin of sternocleidomastoid:

A

Manubrium & clavicle

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69
Q

Insertion of the sternocleidomastoid:

A

Mastoid process

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70
Q

Action of the sternocleidomastoid:

A

Turn head to opposite side

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71
Q

Innervation of sternocleidomastoid:

A

CN 11

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72
Q

Origin of the anterior scalene muscles:

A

C3-6 transverse process

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73
Q

Insertion of anterior and middle scalene muscles:

A

1st rib

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74
Q

Action of the scalene muscles:

A

Laterally flexes neck and elevates 1st or 2nd rib

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75
Q

Innervation of the scalene muscles:

A

C5-C8 nerve roots

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76
Q

Origin of the posterior scalene muscles:

A

C4-6 transverse process

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77
Q

Origin of the middle scalene muscles:

A

C2-7 transverse process

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78
Q

Insertion of the posterior scalene muscle:

A

2nd rib

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79
Q

Origin of the serratus posterior superior:

A

Spinous process C7-T3

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80
Q

Insertion of the serratus posterior superior:

A

Ribs 2-5

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81
Q

Action of the serratus posterior superior:

A

Elevate ribs

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82
Q

Innervation of the serratus posterior superior:

A

Intercostal (T1-4)

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83
Q

Origin of serratus posterior inferior:

A

Spinous process T11-L3

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84
Q

Insertion of serratus posterior inferior:

A

Ribs 9-12

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85
Q

Action of serratus posterior inferior:

A

Depress ribs

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86
Q

Innervation of the serratus posterior inferior:

A

Intercostal (T9-12)

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87
Q

Origin of the splenius capitis:

A

Ligamentum nuchae

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88
Q

Insertion of the splenius capitis:

A

Mastoid and nuchal line

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89
Q

Action of the splenius capitis and cervicis:

A

Laterally flex and rotate neck to same side

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90
Q

Innervation of splenius capitis and cervicis:

A

Dorsal rami of inferior cervical nerves

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91
Q

Origin of the splenius cervicis:

A

Spinous process T1-6

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92
Q

Insertion of the splenius cervicis:

A

Transverse process C1-4

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93
Q

Deep intrinsic back muscles:

A

Splenius capitis Splenius cervicis Iliocostalis Longissimus Spinalis Semispinalis capitus Semispinalis (C&T) Multifidus (C2-S4) Rotatores Levator costarum Interspinales Intertransversarii

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94
Q

Muscles of the spinotransverse group (superficial layer):

A

Splenius capitis Splenius cervicis

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95
Q

Muscles of the sacrospinalis group (erector spinae):

A

Iliocostalis Longissimus Spinalis

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96
Q

Muscles of the transversospinalis group (deep)

A

Semispinalis capitus Semispinalis (C&T) Multifidus (C2-S4) Rotatores Levator costarum Interspinales Intertransversarii

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97
Q

Origin of the erector spinae:

A

Sacrum, iliac crest and lumbar spinous process

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98
Q

Insertion of the iliocostalis:

A

Ribs

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99
Q

Insertion of the longissimus:

A

T and C spinous process, mastoid process

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100
Q

Insertion of the spinalis:

A

T spinous process

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101
Q

Action of the erector spinae:

A

Laterally flex, extend, and rotate head and vertebral column

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102
Q

Innervation of the erector spinae:

A

Dorsal rami of spinal nerve

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103
Q

Origin of the semispinalis capitus:

A

Transverse process T1-6

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104
Q

Insertion of the semispinalis capitus:

A

Nuchal ridge

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105
Q

Action of the semispinalis capitus:

A

Extend head

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106
Q

Origin of the Semispinalis (C&T):

A

Transverse process

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107
Q

Insertion of the semispinalis (C&T):

A

Spinous process

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108
Q

Action of the semispinalis (C&T):

A

Extend, rotate opposite side

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109
Q

Origin of the multifidus (C2-S4):

A

Transverse process

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110
Q

Insertion of the multifidus (C2-S4):

A

Spinous process

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111
Q

Action of the multifidus (C2-S4):

A

Flex laterally, rotate opposite

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112
Q

Origin of the rotatores:

A

Transverse process

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113
Q

Insertion of the rotatores:

A

Spinous process +1

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114
Q

Action of the rotatores:

A

Rotate superior vertebrae opposite

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115
Q

Origin of the levator costarum

A

Transverse process

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116
Q

Insertion of the levator costarum:

A

Brevis: rib -1 Longus: rib -2

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117
Q

Action of the levator costarum:

A

Elevate rib during inspiration

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118
Q

Origin of the interspinales:

A

Spinous process

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119
Q

Insertion of the interspinales:

A

Spinous process +1

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120
Q

Action of the interspinales:

A

Extend column

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121
Q

Origin of the intertransversarii:

A

Transverse process

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122
Q

Insertion of the intertransversarii:

A

Transverse process +1

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123
Q

Action of the intertransversarii:

A

Laterally flex column

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124
Q

Innervation of the transversospinalis group:

A

Dorsal primary rami

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125
Q

Origin of the psoas major:

A

T12-L5 vertebrae

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126
Q

Insertion of the psoas major:

A

Lesser trochanter

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127
Q

Innervation of the psoas major:

A

Femoral

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128
Q

Action of the psoas major:

A

Flex hip

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129
Q

Origin of psoas minor:

A

T12-L1 vertebrae

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130
Q

Insertion of psoas minor:

A

Iliopubic eminence

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131
Q

Innervation of the psoas minor:

A

L1- ventral ramus

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132
Q

Action of the psoas minor:

A

Assists in hip flexion

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133
Q

Origin of illiacus:

A

Illiac fossa/ sacral ala

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134
Q

Insertion of illiacus:

A

Lesser trochanter

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135
Q

Innervation of illiacus:

A

Femoral

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136
Q

Action of the illiacus:

A

Flex hip

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137
Q

Tensor Fasciae Latae origin:

A

Iliac crest, ASIS

138
Q

Tensor fasciae latae insertion:

A

Iliotibial band/ proximal tibia

139
Q

Tensor Fasciae Latae innervation:

A

Superior Gluteal

140
Q

Tensor Fasciae Latae action:

A

Abducts, flex, IR thigh

141
Q

Gluteus Medius and minimus origin:

A

Ilium between anterior and posterior gluteal lines

142
Q

Gluteus medius insertion:

A

Greater trochanter (posterior)

143
Q

Gluteus medius innervation:

A

Superior gluteal

144
Q

Gluteus minimus insertion:

A

Greater trochanter (anterior)

145
Q

Gluteus minimus innervation:

A

Superior gluteal

146
Q

Gluteus medius and minimus action:

A

Abducts, IR thigh

147
Q

Hip Flexors:

A

Psoas Major and minor Iliacus

148
Q

Hip abductors:

A

TFL Glute med Glute min

149
Q

Hip extensors and external rotators:

A

Glute max Obturator externus

150
Q

Gluteus Maximus origin:

A

Ilium, dorsal sacrum

151
Q

Gluteus Maximus insertion:

A

ITB, gluteal tuberosity of the femur

152
Q

Gluteus Maximus innervation:

A

Inferior gluteal

153
Q

Gluteus Maximus Action:

A

Extend, ER thigh

154
Q

Obturator externus origin:

A

Ischiopubic rami, obturator membrane

155
Q

Obturator externus insertion:

A

Trochanteric fossa

156
Q

Obturator externus innervation:

A

Obturator

157
Q

Obturator externus action:

A

ER thigh

158
Q

Short external rotators:

A

Piriformis Superior and inferior gemellus Obturator internus Quadratus femoris

159
Q

Piriformis origin:

A

Anterior sacrum

160
Q

Piriformis insertion:

A

Superior greater trochanter

161
Q

Piriformis innervation:

A

N. To piriformis

162
Q

Piriformis action:

A

ER thigh

163
Q

Superior gemellus origin:

A

Ischial spine

164
Q

Superior gemellus insertions:

A

Medial greater trochanter

165
Q

Superior gemellus innervation:

A

N. To obturator internus

166
Q

Superior gemellus action:

A

ER thigh

167
Q

Obturator internus origin:

A

Ishopubic rami, obturator membrane

168
Q

Obturator internus insertion:

A

Medial greater trochanter

169
Q

Obturator internus innervation:

A

N. To obturator internus

170
Q

Obturator internus action:

A

ER, abduct thigh

171
Q

Interior gemellus origin:

A

Ischial tuberosity

172
Q

Inferior gemellus insertion:

A

Medial greater trochanter

173
Q

Inferior gemellus innervation:

A

N. To quadratus femoris

174
Q

Inferior gemellus action:

A

ER thigh

175
Q

Quadratus femoris origin:

A

Ischial tuberosity

176
Q

Quadratus femoris insertion:

A

Intertrochanteric crest

177
Q

Quadratus femoris innervation:

A

N. To quadratus femoris

178
Q

Quadratus femoris action:

A

ER thigh

179
Q

Articularis genus origin:

A

Distal anterior femoral shaft

180
Q

Articularis genus insertion:

A

Synovial capsule

181
Q

Articularis genus innervation:

A

Femoral

182
Q

Articularis genus action:

A

Pulls capsule superiorly in extension

183
Q

Sartorius origin:

A

ASIS

184
Q

Sartorius insertion:

A

Proximal Medial tibia (Pes anserinus)

185
Q

Sartorius innervation:

A

Femoral

186
Q

Sartorius action:

A

Flex, ER hip

187
Q

Rectus femoris origin:

A

AIIS Superior acetabular rim

188
Q

Rectus femoris insertion:

A

Patella/ tibial tubercle

189
Q

Rectus femoris innervation:

A

Femoral

190
Q

Rectus femoris action:

A

Flex thigh, extend leg

191
Q

Vastus lateralis origin:

A

Greater trochanter, lateral linea aspect

192
Q

Vastus lateralis insertion:

A

Lateral patella/ tibia tubercle

193
Q

Vastus lateralis innervation:

A

Femoral

194
Q

Vastus lateralis action:

A

Extend leg

195
Q

Vastus intermedius origin:

A

Proximal femoral shaft

196
Q

Vastus intermedius insertion:

A

Patella/ tibia tubercle

197
Q

Vastus intermedius innervation:

A

Femoral

198
Q

Vastus intermedius action:

A

Extend leg

199
Q

Vastus medialis origin:

A

Intertrochanteris line Medial linea aspera

200
Q

Vastus medialis insertion:

A

Medial patella/ tibia tubercle

201
Q

Vastus medialis innervation:

A

Femoral

202
Q

Vastus medialis action:

A

Extend leg

203
Q

Adductor longus origin:

A

Body of pubis (inferior)

204
Q

Adductor longus insertion:

A

Linea aspera (mid 1/3)

205
Q

Adductor longus innervation:

A

Obturator

206
Q

Adductor longus action:

A

Adducts thigh

207
Q

Adductor brevis origin:

A

Body and inferior pubic ramus

208
Q

Adductor brevis insertion:

A

Pectineal line Linea aspera

209
Q

Adductor brevis innervation:

A

Obturator

210
Q

Adductor brevis action:

A

Adducts thigh

211
Q

Adductor magnus origin:

A

Pubic ramus Ischial tuberosity

212
Q

Adductor magnus insertion:

A

Linea aspera Add. Tubercle

213
Q

Adductor magnus innervation:

A

Obturator Sciatic

214
Q

Adductor magnus action:

A

Adducts and flex/ Extend/ IR leg

215
Q

Pectineus origin:

A

Pectineal line of pubis

216
Q

Pectineus insertion:

A

Pectineal line of femur

217
Q

Pectineus innervation:

A

Femoral

218
Q

Pectineus action:

A

Flex and adducts thigh

219
Q

Semitendinosus origin:

A

Ischial tuberosity

220
Q

Semitendinosus insertion:

A

Proximal medial tibia (pes anserinus)

221
Q

Semitendinosus innervation:

A

Sciatic (tibial)

222
Q

Semitendinosus action:

A

Extend thigh, flex leg

223
Q

Semimembranosus origin:

A

Ischial tuberosity

224
Q

Semimembranosus insertion:

A

Posterior medial tibial condyle

225
Q

Semimembranosus innervation:

A

Sciatic (Tibial)

226
Q

Semimembranosus action:

A

Extend thigh, flex leg

227
Q

Biceps femoris long head origin:

A

Ischial tuberosity

228
Q

Biceps femoris long head insertion:

A

Head of fibula

229
Q

Biceps femoris long head action:

A

Extend thigh, flex leg

230
Q

Biceps femoris short head:

A

Linea aspera, supracondylar line

231
Q

Biceps femoris short head insertion:

A

Fibula Lateral tibia

232
Q

Biceps femoris short head innervation:

A

Sciatic (peroneal)

233
Q

Biceps femoris short head action:

A

Extend thigh, flex leg

234
Q

Sciatic nerve is in what compartment?

A

Posterior

235
Q

Femoral artery and vein is in what compartment?

A

Medial

236
Q

What is in the anterior compartment of the lower leg?

A

Tibialis anterior Extensor Hallucis longus Extensor digitorum longus Peroneus tertius Deep peroneal nerve Anterior tibial artery and vein

237
Q

What is in the lateral compartment of the lower leg?

A

Peroneus longus Peroneus brevis Superficial peroneal nerve

238
Q

What is in the superficial posterior compartment of the lower leg?

A

Gastrocnemius Soleus Plantaris

239
Q

What is in the deep posterior compartment of the lower leg?

A

Posterior tibialis Flexor hallucis longus Flexor digitorum longus Popliteus Tibial nerve Posterior tibial artery and vein Peroneal artery and vein

240
Q

Tibialis anterior origin:

A

Proximal lateral tibia (Gerdy’s tubercle)

241
Q

Tibialis anterior insertion:

A

Med. cuneiform, Plantar 1st metatarsal base

242
Q

Tibialis anterior innervation:

A

Deep peroneal

243
Q

Tibialis anterior action:

A

Dorsiflexion Invert foot

244
Q

Extensor Hallucis longus origin:

A

Medial fibula Interosseous membrane

245
Q

Extensor hallucis longus insertion:

A

Base of distal phalanx of great toe

246
Q

Extensor hallucis longus innervation:

A

Deep peroneal

247
Q

Extensor hallucis longus action:

A

Dorsiflex Extend great toe

248
Q

Extensor digitorum longus origin:

A

Lateral tibia condyle and proximal fibula

249
Q

Extensor digitorum longus insertion:

A

Base of middle and distal phalanges (4 toes)

250
Q

Extensor digitorum longus innervation:

A

Deep peroneal

251
Q

Extensor digitorum longus action:

A

Dorsiflex Extend lateral 4 toes

252
Q

Peroneus tertius origin:

A

Distal fibula, Interosseous membrane

253
Q

Peroneus tertius insertion:

A

Base of 5th metatarsal

254
Q

Peroneus tertius innervation:

A

Deep peroneal

255
Q

Peroneus tertius action:

A

Dorsiflex Evert foot

256
Q

Peroneus longus origin:

A

Proximal lateral fibula

257
Q

Peroneus longus insertion:

A

Plantar medial cuneiform 1st metatarsal base

258
Q

Peroneus longus innervation:

A

Superficial peroneal

259
Q

Peroneus longus action:

A

Plantar flex foot (1st ray)

260
Q

Peroneus brevis origin:

A

Distal lateral fibula

261
Q

Peroneus brevis insertion:

A

Base of 5th metatarsal

262
Q

Peroneus brevis innervation:

A

Superficial peroneal

263
Q

Peroneus brevis action:

A

Evert foot

264
Q

Gastrocnemius origin:

A

Lateral and medial femoral condyles

265
Q

Gastrocnemius insertion:

A

Calcaneus (via Achilles’ tendon)

266
Q

Gastrocnemius innervation:

A

Tibial

267
Q

Gastrocnemius action:

A

Plantar flex foot

268
Q

Soleus origin:

A

Posterior fibular head/ soleal line of tibia

269
Q

Soleus insertion:

A

Calcaneus (via Achilles’ tendon)

270
Q

Soleus innervation:

A

Tibial

271
Q

Soleus action:

A

Plantar flex foot

272
Q

Plantaris origin:

A

Lateral femoral supracondylar line

273
Q

Plantaris insertion:

A

Calcaneus

274
Q

Plantaris innervation:

A

Tibial

275
Q

Plantaris action:

A

Plantar flex foot

276
Q

Popliteus origin:

A

Lateral femoral condyle (anterior and distal to LCL)

277
Q

Popliteus insertion:

A

Proximal posterior tibia

278
Q

Popliteus innervation:

A

Tibial

279
Q

Popliteus action:

A

IR tibia/ knee (during swing phase)

280
Q

Flexor hallucis longus origin:

A

Posterior fibula

281
Q

Flexor hallucis longus insertion:

A

Base of distal phalanx of great toe

282
Q

Flexor hallucis longus innervation:

A

Tibial

283
Q

Flexor hallucis longus action:

A

Plantar flex great toe

284
Q

Flexor digitorum longus origin:

A

Posterior tibia

285
Q

Flexor digitorum longus insertion:

A

Base of distal phalanges of 4 toes

286
Q

Flexor digitorum longus innervation:

A

Tibial

287
Q

Flexor digitorum longus action:

A

Plantar flex lateral 4 toes

288
Q

Tibialis Posterior origin:

A

Posterior tibia Fibula Interosseous membrane

289
Q

Tibialis posterior insertion:

A

Plantar navicular cuneiforms MT bases

290
Q

Tibialis posterior innervation:

A

Tibial

291
Q

Tibialis posterior action:

A

Plantar flex and invert foot (in heel off phase)

292
Q

Function of superior extensor retinaculum:

A

Covers tendons, nerves, vessels of anterior compartment at ankle

293
Q

Function of the inferior extensor retinaculum:

A

Surrounds and covers tendons, etc. of anterior compartment in foot

294
Q

Function of the flexor retinaculum:

A

Covers tendons of posterior compartment

295
Q

Function of the superior and inferior peroneal retinaculum

A

Covers tendons and sheaths of lateral compartment at hind foot

296
Q

Function of plantar aponeurosis:

A

Supports longitudinal arch Protects underlying structures Stabilizes foot in gait via the windlass mechanism

297
Q

First plantar layer of the foot:

A

Abductor hallucis Flexor digitorum brevis Abductor digiti minimi

298
Q

Abductor hallucis origin:

A

Calcaneal tuberosity Medial process

299
Q

Abductor hallucis insertion:

A

Through med, sesamoid to proximal phalanx of great toe

300
Q

Abductor hallucis innervation:

A

Medial plantar

301
Q

Abductor hallucis action:

A

Abducts great toe

302
Q

Abductor digiti minimi origin:

A

Calcaneal tuberosity Medial and lateral processes

303
Q

Abductor digiti minimi insertion:

A

Lateral base of proximal phalanx of 5th toe

304
Q

Abductor digiti minimi innervation

A

Lateral plantar

305
Q

Abductor digiti minimi action:

A

Abducts small toe

306
Q

Second plantar layer of the foot:

A

Quadratus plantae Lumbricals

307
Q

Quadratus plantae origins:

A

Medial and lateral plantar calcaneus

308
Q

Quadratus plantae insertion:

A

Lateral FDL tendon

309
Q

Quadratus plantae innervation:

A

Lateral plantar

310
Q

Quadratus plantae action:

A

Assists FDL with toe flexion

311
Q

Lumbricals origin:

A

Separate FDL tendons

312
Q

Lumbricals insertion:

A

Proximal phalanges Extensor expansion

313
Q

Lumbricals innervation:

A

1: medial plantar 2-4: lateral plantar

314
Q

Lumbricals action:

A

Flex MTP joint Extend IP joint

315
Q

Third plantar layer of the foot:

A

Flexor hallucis brevis Adductor hallucis Flexor digiti minimi brevis

316
Q

Adductor hallucis origin:

A

Oblique: base 2-4 MT Transverse: lateral 4 MTP

317
Q

Adductor hallucis insertion:

A

Through lateral sesamoid to lateral proximal phalanx of great toe

318
Q

Adductor hallucis innervation:

A

Lateral plantar

319
Q

Adductor hallucis action:

A

Adducts great toe

320
Q

Flexor digiti minimi brevis origin:

A

Base of 5th metatarsal

321
Q

Flexor digiti minimi brevis insertion:

A

Base of proximal phalanx of small toe

322
Q

Flexor digiti minimi brevis innervation:

A

Lateral plantar

323
Q

Flexor digiti minimi brevis action:

A

Flex small toe

324
Q

Fourth plantar layer of the foot:

A

Plantar interossei Dorsal interossei

325
Q

Plantar interossei (3) origin:

A

Medial 3rd, 4th, 5th MT

326
Q

Plantar interossei (3) insertion:

A

Medial proximal phalanges: toes 3-5

327
Q

Plantar interossei (3) innervation:

A

Lateral plantar

328
Q

Plantar interossei (3) action:

A

Adduct toes Flex MTPJ Extend LPJ

329
Q

Dorsal interossei (4) origin:

A

Adjacent MT shafts

330
Q

Dorsal interossei (4) insertion:

A

Medial proximal phalanx (2nd toe) Lateral proximal phalanx (toes 2-4)

331
Q

Dorsal interossei (4) innervation:

A

Lateral plantar

332
Q

Dorsal interossei (4) action:

A

Abduct toes

333
Q

Dorsum layer of the foot:

A

Extensor hallucis brevis Extensor digitorum brevis

334
Q

Extensor hallucis brevis origin:

A

Dorsolateral calcaneus

335
Q

Extensor hallucis brevis insertion:

A

Base of proximal phalanx of great toe

336
Q

Extensor hallucis brevis innervation:

A

Deep peroneal

337
Q

Extensor hallucis brevis action:

A

Extends great toe at MCPJ

338
Q

Extensor digitorum brevis origin:

A

Dorsolateral calcaneus

339
Q

Extensor digitorum brevis insertion:

A

Base of proximal phalanx: toes 2-4

340
Q

Extensor digitorum brevis innervation:

A

Deep peroneal

341
Q

Extensor digitorum brevis action:

A

Extends lesser toes at MCPJ

Fall 2017 (5 decks)

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