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Undeleted > Appendicular Muscles - Upper Extremity > Flashcards

Appendicular Muscles - Upper Extremity Flashcards

Name Origin, Insertion, and Action

1
Q

Anterior Deltoid

A

O: Lateral 1/3 of Clavicle I: Deltoid Tuberosity (Humerus) A: Shoulder Abduction, Flexion, Medial Rotation, Horizontal Adduction

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2
Q

Middle Detoid

A

O: Acromion Process (Scapula) I: Deltoid Tuberosity (Humerus) A: Shoulder Abduction

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3
Q

Posterior Deltoid

A

O: Spine of Scapula I: Deltoid Tuberosity (Humerus) A: Shoulder Abduction, Extension, Hyperextension, External Rotation, Horizontal abduction

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4
Q

Brachialis

A

O: Distal half of Humerus, anterior surface I: Coronoid Process (Ulna) and Ulnar Tuberosity A: Elbow Flexion

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5
Q

Brachioradialis

A

O: Lateral Supracondylar ridge (Humerus) I: Styloid Process of Radius A: Elbow Flexion

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6
Q

Biceps brachii

A

Long Head O: Supraglenoid Tubercle (Scapula) Short Head O: Coracoid Process (Scapula) I: Radial Tuberosity (Radius) A: Elbow Flexion, forearm Supination

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7
Q

Triceps brachii

A

Long Head O: Infraglenoid Tubercle (Scapula) Lateral Head O: Inferior to Greater Tubercle (Posterior Humerus) Medial Head O: Posterior surface (Humerus) I: Olecranon Process (Ulna) A: Elbox Extension

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8
Q

Supinator

A

O: Lateral Epicondyle (Humerus) and adjacent Ulna I: Anterior surface of proximal Radius A: forearm Supination

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9
Q

Pronator Teres

A

O: Medical Epicondyle (Humerus) & Coronoid Process of Ulna I: Lateral aspect of Radius at midpoint A: forearm Pronation, assist - Elbox Flexion

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10
Q

Pronator Quadrates

A

O: Distal 4th of Ulna I: Distal 4th of Radius A: forearm Pronation

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11
Q

Flexor Carpi Ulnaris

A

O: Medial Epicondyle (Humerus) I: Pisiform, base of 5th Metacarpal A: Wrist Flexion, Ulnar Deviation (

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12
Q

Flexor Carpi Radialis

A

O: Medial Epicondyle (Humerus) I: Base of 2nd & 3rd Metacarpals A: Wrist Flexion, Radial Deviation (

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13
Q

Palmaris Longus

A

O: Medial Epicondyle (Humerus) I: Palmar Fascia A: assist Wrist Flexion

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14
Q

Extensor Carpi Radialis Longus

A

O: Supracondylar ridge (Humerus) I: Base of 2nd metacarpal A: Wrist Extension, Radial Deviation

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15
Q

Extensor Carpi Radialis Brevis

A

O: Lateral Epicondyle (Humerus) I: Base of 3rd metacarpal A: Wrist Extension

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16
Q

Extensor Carpi Ulnaris

A

O: Lateral epicondyle (Humerus) I: Base of 5th metacarpal A: Wrist Extension, Ulnar Deviation

17
Q

Lumbricales

A

O: Tendon of Flexor Digitorum Profundus I: Tendon of Extensor Digitorum A: Flex MCP joint while Extending DIP & PIP joints

18
Q

Flexor Digitorum Superficialis

A

O: Common Flexor tendon, Coronoid Process (ulna), & Radius I: Side of Middle phalanx of fingers 2-5 A: Flexes MCP and PIP joints

19
Q

Flexor Digitorum Profundus

A

O: Upper 3/4 of Ulna I: Distal phalanx of fingers 2-5 A: Flexes all 3 joints of fingers (MCP, PIP, DIP)

20
Q

Extensor Digitorum

A

O: Lateral Epicondyle (Humerus) I: Base of distal phalanx of 2nd - 5th fingers A: Extends all 3 joints of fingers (MCP, PIP, DIP)

21
Q

Extensor Digiti Minimi

A

O: Lateral Epicondyle (Humerus) I: Base of distal phalanx of 5th finger A: Extends all 3 joints (MCP, PIP, DIP) of 5th finger

22
Q

Extensor Indicis

A

O: Distal Ulna I: Base of distal Phalanx of 2nd finger A: Extends all 3 joints of 2nd finger (MCP, PIP, DIP)

23
Q

Flexor Pollicis Longus

A

O: Anterior surface of Radius I: Distal Phalanx of Thumb A: Flexes all joints of the thumb (CMC, MCP, IP)

24
Q

Abductor Pollicis Longus

A

O: Posterior Radius, Interosseous membrane, middle Ulna I: Base of 1st metacarpal A: Abducts Thumb (CMC joint)

25
Q

Extensor Pollicis Longus

A

O: Middle posterior Ulna, Interosseous Membrane I: Base of Distal Phalanx of Thumb A: Extends CMC, MCP, IP joints of Thumb

26
Q

Extensor Pollicis Brevis

A

O: Posterior distal Radius I: Base of Proximal Phalanx of thumb A: Extends CMC and MCP joints of Thumb

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