Muscles Flashcards by Amelia Everitt

Pec major action

Sternal head:
Shoulder adduction
Shoulder extension (from flex)
Shoulder internal R
Clavicular head:
Shoulder flexion

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Pec minor action

Scapula depression
Scapula protraction
Scapula downward R

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Serratus anterior

Shoulder protraction
Shoulder upward R

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Latissimus dorsi action

Shoulder adduction
Shoulder extension
Shoulder internal R

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Trapezius action

Scapula retraction
Scapula upward R
Scapula elevation
Scapula depression

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Rhomboid major action

Scapula retraction
Scapula downward R

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Rhomboid minor action

Scapula retraction
Scapula downward R

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Levator scapulae action

Scapula elevation
Scapula downward R

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Deltoid action

Shoulder external R (post)
Shoulder abduction (mid)
Shoulder flexion (ant)
Shoulder extension (post)
Shoulder internal R (ant)

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Teres major action

Shoulder adduction
Shoulder extension
Shoulder internal R

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Supraspinatus action

Shoulder abduction

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Infraspinatus action

Shoulder external R

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Teres minor action

Shoulder external R

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Subscapularis action

Shoulder internal R

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Bicep brachii action

Shoulder flexion (LH)
Radio ulna supination
Elbow flexion

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Brachialis action

Elbow flexion

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Coracobrachialis action

Shoulder flexion
Shoulder adduction

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Triceps brachii action

Shoulder extension (LH)
Elbow extension

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Pronator teres action

Elbow flexion
Radio ulna pronation

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Flexor carpi radialis action

Elbow flexion
Wrist flexion
Radial deviation

Palmaris longus action

Elbow flexion
Wrist flexion

Flexor carpi ulnaris action

Elbow flexion
Wrist flexion
Ulna deviation

Flexor digitorum superficialis action

Elbow flexion
Wrist flexion
Finger flexion

Flexor digitorum profundus action

Wrist flexion
Finger flexion
(DIP, PIP, MCP)

Flexor pollicis longus action

Wrist flexion Thumb flexion (IP, MCP)

Pronator quadratus action

Radio ulna pronation

Brachioradialis action

Elbow flexion

Extensor carpi radialis longus action

Elbow extension Wrist extension Radial deviation

Extensor carpi radialis brevis action

Elbow extension Wrist extension Radial deviation

Extensor digit minimi action

Elbow extension Wrist extension 5th finger extension (MCP, PIP, DIP)

Extensor digitorum action

Elbow extension Wrist extension Finger extension

Extensor carpi ulnaris action

Elbow extension Wrist extension Ulnar deviation

Abductor pollicis longus action

Thumb abduction (CMJ)

Extensor pollucis longus action

Wrist extension Thumb extension (IP, MCP)

Extensor pollicus brevis action

Wrist extension Thumb extension (MCP)

Extensor indicis action

Wrist extension 2nd finger extension (DIP, PIP, MCP)

Anconeus action

Elbow extension

Supinator action

Radio ulna supination

Abductor pollicus brevis action

Thumb abduction (CMJ)

Flexor pollicus brevis action

Thumb flexion (MCP)

Opponens pollicis action

Opposition thumb (CMJ)

Abductor digit minimi action

5th finger abduction (MCP)

Opponens digit minimi action

5th finger opposition

Adductor pollicis action

Thumb adduction (CMJ)

Lumbricals action

Finger flexion (MCP)

Dorsal interossei action

Finger flexion Finger abduction (MCP)

Palmar interossei action

Finger flexion Finger adduction MCP

Palmaris brevis action

Aids with grip = helps arch