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UE Muscles Flashcards

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1
Q

TRAPEZIUS II (Middle/Transverse)

A

O - T1-T4 SPs (aponeuroses)

I - Scapular spine, medial acromion

A - Retraction

N - Accessory Nerve (CN XI); ventral rami C2-C4

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2
Q

TRAPEZIUS III (Lower/Ascending)

A

O - T5-T12 SPs

I - Medial scapular spine

A - Upward rotation; retraction; depression

N - Accessory Nerve (CN XI); ventral rami C2-C4

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3
Q

RHOMBOID MAJOR

A

O - T1-T4 SPs

I - Medial Border of Scapula BELOW Scapular Spine

A - Retraction; Elevation; Downward Rotation

N - Dorsal Scapular Nerve

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4
Q

RHOMBOID MINOR

A

O - C6-C7 SPs

I - Medial Border Scapula ABOVE Scapular Spine

A - Retraction; Elevation; Downward Rotation

N - Dorsal Scapular Nerve

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5
Q

LEVATOR SCAPULAE

A

O - Upper Cervical C1-C4 TPs

I - Superior Angle Scapula

A - Elevation; Downward Rotation (c/s extension)

N - Dorsal Scapular Nerve

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6
Q

SUPRASPINATUS

A

O - Supraspinous Fossa

I - Greater Tuberosity Humerus

A - Abduction; Ext Rotation; depression/stab of HH in GF

N - Suprascapular Nerve

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7
Q

INFRASPINATUS

A

O - Infraspinous Fossa

I - Greater Tuberosity Humerus

A - Hor. Abduction; Ext Rotation; stab HH in GF

N - Suprascapular Nerve

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8
Q

TERES MINOR

A

O - Lateral Border of Scapula

I - Greater Tuberosity Humerus

A - Hor Abduction; Ext Rotation; (Adduction)

N - Axillary Nerve

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9
Q

SUBSCAPULARIS

A

O - Subscapular Fossa

I - Lesser Tuberosity Humerus

A - Int Rotation; Hor. Adduction

N - Upper and Lower Subscapular Nerves

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10
Q

STERNOCLEIDOMASTOID

A

O - Manubrium and Medial Clavicle

I - Mastoid Process; Superior Nuchal Line

A - Ipsilat. Lateral C-Spine Flexion; Contralat C-Spine Rotation; Extension (Bilateral)

N - Accessory Nerve (CN XI) and Ventral Rami C1-C2

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11
Q

SUBCLAVIUS

A

O - Superior Surface 1st Rib

I - Inferior, Lateral Surface of Clavicle

A - Stabilize Clavicle (dynamic ligament)

N - Nerve to Subclavius

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12
Q

PECTORALIS MINOR

A

O - Ant Surface of Ribs 3-5

I - Coracoid Process Scapula

A - Ant Tip Scapula; Protraction; Downward Rotation; Depression

N - Medial and Lateral Pectoral Nerves

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13
Q

SERRATUS ANTERIOR (SUPERIOR)

A

O - Lat Surface Ribs 1-5

I - Medial Border Scapula; Superior Angle

A - Protraction; Downward Rotation; Elevation; Stabilize Medial Border

N - Long Thoracic Nerve

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14
Q

SERRATUS ANTERIOR (INFERIOR)

A

O - Lat Surface Ribs 5-9

I - Medial Border Scapula; Inferior Angle

A - Protraction; Upward Rotation; Depression; Stabilize Medial Border

N - Long Thoracic Nerve

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15
Q

TRAPEZIUS I (Upper/Descending)

A

O - Occipital bone; ligamentum nuchae; C1-C7 SPs

I - Lateral 1/3 of clavicle

A - Upward Rotation; Elevation; Retraction; Ipsilat. Lateral Flexion C-Spine; Contralat Rotation C-Spine

N - Accessory Nerve (CN XI); ventral rami C2-C4

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16
Q

LATISSIMUS DORSI

A

O - Lower Thoracic T7-T12 SP; Thoracolumbar Fascia; Posterior Iliac Crest; Ribs 9-12; Inf. Angle Scapula.

I - Medial Border Bicipital Groove

A - Adduction; Extension; Int. Rotation; Hor. Abduction; Retraction; Downward Rotation; Depression

N - Thoracodorsal Nerve

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17
Q

ANTERIOR DELTOID

A

O - Lateral Clavicle

I - Deltoid Tuberosity

A - ADD < 60˚ABD; ABD > 60˚ ABD; Flexion; Int. Rotation; Hor Adduction

N - Axillary Nerve

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18
Q

MIDDLE DELTOID

A

O - Acromion

I - Deltoid Tuberosity Humerus

A - Abduction

N - Axillary Nerve

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19
Q

POSTERIOR DELTOID

A

O - Scapular Spine

I - Deltoid Tuberosity

A - ADD < 60˚ ABD; ABD > 60˚ ABD; Extension; Ext. Rotation; Hor. Abduction

N - Axillary Nerve

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20
Q

TERES MAJOR

A

O - Inferior Angle Scapula

I - Medial Border Bicipital Groove

A - Adduction; Extension; Int. Rotation; Hor Abduction

N - Lower Subscapular Nerve

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21
Q

CORACOBRACHIALIS

A

O - Coracoid Process Scapula

I - Medial Humerus

A - Flexion; Adduction; Hor. Adduction; Int. Rotation

N - Musculocutaneous Nerve

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22
Q

PECTORALIS MAJOR: STERNAL

A

O - Sternum; Costal Cartilages Ribs 2-6

I - Lateral Border Bicipital Groove

A - Int. Rotation; Hor Adduction; Adduction; Protraction; Downward Rotation; Extension > 30˚ Flexion; Flexion if Hyperextended

N - Medial and Lateral Pectoral Nerves

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23
Q

PECTORALIS MAJOR: CLAVICULAR

A

O - Medial Clavicle

I - Lateral Border Bicipital Groove

A - Int. Rotation; Flexion; Hor. Adduction; ADD GH < 90˚; ABD GH > 90˚

N - Medial and Lateral Pectoral Nerves

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24
Q

TRICEPS BRACHII: LONG HEAD

A

O - Infraglenoid Tubercle Scapula

I - Olecranon

A - Elbow Ext; GH Ext; (GH Adduction, GH HOR ABD)

N - Radial Nerve

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25
TRICEPS BRACHII: MEDIAL HEAD
O - Distal Posterior Surface Humerus I - Olecranon A - Elbow Ext N - Radial Nerve
26
TRICEPS BRACHII: LATERAL HEAD
O - Proximal Posterior Surface Humerus I - Olecranon A - Elbow Ext N - Radial Nerve
27
ANCONEUS
O - Lateral Epicondyle Humerus I - Olecranon A - Elbow Ext N - Radial Nerve
28
BRACHIALIS
O - Distal Anterior Humerus I - Ulnar Tuberosity A - Elbow Flexion N - Musculocutaneous Nerve
29
BICEPS BRACHII: LONG HEAD
O - Supraglenoid Tubercle Scapula I - Radial Tuberosity A - Elbow Flexion; RU Supination; GH Flexion; (GH Abduction); (GH Int. Rotation) N - Musculocutaneous Nerve
30
BICEPS BRACHII: SHORT HEAD
O - Coracoid Process Scapula I - Radial Tuberosity A - Elbow Flexion; RU Supination; GH Flexion; (GH Abduction); (GH Int. Rotation) N - Musculocutaneous Nerve
31
BRACHIORADIALIS
O - Lateral Supracondylar Ridge Humerus I - Styloid Process Radius A - Elbow Flexion; RU Pronation/Supination N - Radial Nerve
32
EXTENSOR CARPI RADIALIS LONGUS
O - Lateral Supracondylar Ridge Humerus I - Base of 2nd MC A - Wrist Extension; Radial Deviation; (Elbow Flexion) N - Deep Radial Nerve
33
EXTENSOR CARPI RADIALIS BREVIS
O - Lateral Epicondyle of Humerus I - Base of 3rd MC A - Wrist Extension; Radial Deviation; (Elbow Flexion) N - Deep Radial Nerve
34
SUPINATOR
O - Lateral Epicondyle Humerus; Supinator Crest Ulna I - Lateral Radius A - RU Supination N - Deep Radial Nerve
35
EXTENSOR DIGITORUM
O - Lateral Epicondyle Humerus I - Middle and Distal Phalanges 2-5 A - Extension (and Abduction) MCPs and IPs 2-5; Wrist Extension N - Posterior Interosseous (Radial Nerve)
36
EXTENSOR DIGITI MINIMI
O - Lateral Epicondyle Humerus I - 5th Middle and Distal Phalanges A - Ext (and Abd) 5th MCP and IP; (Wrist Extension); (Ulnar Deviation) N - Posterior Interosseous (Radial Nerve)
37
EXTENSOR CARPI ULNARIS
O - Lateral Epicondyle Humerus; Posterior Ulna I - Base of 5th MC A - Wrist Extension; Ulnar Deviation N - Posterior Interosseous (Radial Nerve)
38
ABDUCTOR POLLICIS LONGUS
O - Posterior Radius; Posterior Ulna; IO Membrane I - Base of 1st MC A - 1st CMC Abduction; (Radial Deviation) N - Posterior Interosseous (Radial Nerve)
39
EXTENSOR POLLICIS BREVIS
O - Posterior Radius; IO Membrane I - Base of 1st Proximal Phalanx A - 1st CMC Extension; 1st MCP Extension; (Wrist Extension); (Radial Deviation) N - Posterior Interosseous (Radial Nerve)
40
EXTENSOR POLLICIS LONGUS
O - Posterior Ulna; IO Membrane I - Base of 1st Distal Phalanx A - 1st CMC, MCP, IP Extension; (1st CMC Adduction); (Radial Deviation); (Wrist Extension) N - Posterior Interosseous (Radial Nerve)
41
EXTENSOR INDICIS
O - Posterior Ulna; IO Membrane I - 2nd Middle and Distal Phalanges A - 2nd MCP, PIP, DIP Extension; Wrist Extension N - Posterior Interosseous (Radial Nerve)
42
PRONATOR TERES
O - Medial Epicondyle Humerus (humeral head); Coronoid Process Ulna (ulnar head) I - Lateral Surface Radius A - RU Pronation; (Elbow Flexion) N - Median Nerve
43
FLEXOR DIGITORUM SUPERFICIALIS
O - Medial Epicondyle Humerus; Coronoid Process Ulna I - Side of Middle Phalanges 2-5 A - MCP, PIP Flexion 2-5; Wrist Flexion; (Elbow Flexion) N - Median Nerve
44
FLEXOR CARPI RADIALIS
O - Medial Epicondyle Humerus I - Base of 2nd MC A - Wrist Flexion; Radial Deviation N - Median Nerve
45
FLEXOR CARPI ULNARIS
O - Medial Epicondyle Humerus; Olecranon I - Pisiform; Hook of Hammate A - Wrist Flexion; Ulnar Deviation N - Ulnar Nerve
46
PALMARIS LONGUS
O - Medial Epicondyle Humerus I - Palmar Aponeurosis A - Wrist Flexion; (Elbow Flexion); (Tighten Palmar Aponeurosis) N - Median Nerve
47
FLEXOR DIGITORUM PROFUNDUS
O - Proximal Anterior Ulna; IO Membrane I - Distal Phalanges 2-5 A - Wrist Flexion; MCP, PIP, DIP Flexion 2-5 N - Digits 2/3: Anterior Interosseous (Median Nerve) Digits 4/5: Ulnar Nerve
48
FLEXOR POLLICIS LONGUS
O - Anterior Radius; IO Membrane I - Distal 1st Phalanx A - 1st CMC, MCP, IP Flexion; Wrist Flexion; (Oppose CMC); (Radial Deviation) N - Anterior Interosseous (Median Nerve)
49
PRONATOR QUADRATUS
O - Distal Anterior Surface Ulna I - Distal Anterior Surface Radius A - RU Pronation N - Anterior Interosseous (Median Nerve)
50
ABDUCTOR POLLICIS BREVIS
O - Flexor Retinaculum; Scaphoid; Trapezium I - Base of 1st Proximal Phalanx A - 1st CMC Abduction N - Median Recurrent Nerve
51
FLEXOR POLLICIS BREVIS
O - Flexor Retinaculum; Capitate; Trapezium I - Base of 1st Proximal Phalanx A - 1st CMC Flexion; 1st MCP Flexion; (Opposition) N - Median Recurrent Nerve
52
OPPONENS POLLICIS
O - Trapezium I - 1st MC A - 1st CMC Opposition N - Median Recurrent Nerve
53
ADDUCTOR POLLICIS (TRANSVERSE)
O - 3rd MC I - Base of 1st Proximal Phalanx A - 1st CMC Adduction; (1st MCP Flexion); (Opposition) N - Deep Ulnar Nerve
54
ADDUCTOR POLLICIS (OBLIQUE)
O - Base of 2nd MC; Capitate I - Base of 1st Proximal Phalanx A - 1st CMC Adduction; (1st MCP Flexion); (Opposition) N - Deep Ulnar Nerve
55
PALMARIS BREVIS
O - Palmar Aponeurosis I - Skin of Hypothenar Eminence A - Tenses Skin of Palm N - Superficial Ulnar Nerve
56
ABDUCTOR DIGITI MINIMI
O - Pisiform I - Base of 5th Proximal Phalanx A - 5th MCP Abduction; (5th MCP Flexion); (IP Extension) N - Deep Ulnar Nerve
57
FLEXOR DIGITI MINIMI
O - Hook of Hammate; Flexor Retinaculum I - Base of 5th Proximal Phalanx A - 5th MCP Flexion N - Deep Ulnar Nerve
58
OPPONENS DIGITI MINIMI
O - Hook of Hammate I - 5th MC A - 5th MC Opposition N - Deep Ulnar Nerve
59
LUMBRICALS (1-4)
O - Radial Sides of FDP Tendons I - Dorsal Digital Expansions A - MCP Flexion; IP Extension N - 1st/2nd Lumbricals: Median Recurrent Nerve 3rd/4th Lumbricals: Deep Ulnar Nerve
60
DORSAL INTEROSSEI (1-4)
O - 2 Heads from Adjacent Sides of MCs 1-5 I - Base of 2nd, 3rd, and 4th Proximal Phalange; Dorsal Digital Expansion A - MCP Abduction 2-4; (MCP Flexion 2-4) [“DAB”] N - Deep Ulnar Nerve
61
PALMAR INTEROSSEI (1-3)
O - 1st-Ulnar Side 2nd MC; 2nd-Radial Side 4th MC; 3rd-Radial Side 5th MC I - Bases of Associated 2nd, 4th, and 5th Proximal Phalange; Dorsal Digital Expansions A - MCP Abduction 2,4,5; (MCP Flexion 2,4,5) N - Deep Ulnar Nerve

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