Action Performed By Upper Limb Muscles

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Last updated 11:32 PM on 7/14/26
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49 Terms

1
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Pectoralis Minor

Protraction; scapular fixator

2
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Serratus Anterior

Lateral rotation; protraction; scapular fixator

3
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Trapezius

Retraction; medial & lateral rotation; elevation; depression; neck extension

4
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Levator Scapulae

Elevation

5
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Rhomboid Major

Retraction

6
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Rhomboid Minor

Retraction

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Pectoralis Major

Adduction; flexion; medial rotation

8
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Latissimus Dorsi

Adduction; extension; medial rotation

9
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Deltoid

Abduction; flexion; extension; medial & lateral rotation

10
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Teres Major

Adduction; medial rotation

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Supraspinatus

Assists with abduction

12
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Infraspinatus

Lateral rotation; adduction

13
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Teres Minor

Lateral rotation; adduction

14
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Subscapularis

Medial rotation; adduction

15
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Long Head Biceps Brachii

Shoulder flexion; forearm flexion

16
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Short Head Biceps Brachii

Shoulder flexion; forearm flexion

17
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Coracobrachialis

Shoulder flexion & adduction

18
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Brachialis

Forearm flexion

19
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Long Head Triceps Brachii

Shoulder extension; forearm extension

20
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Lateral Head Triceps Brachii

Forearm extension

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Medial Head Triceps Brachii

Forearm extension

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Pronator Teres

Forearm pronation

23
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Flexor Carpi Radialis

Hand flexion & abduction

24
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Palmaris Longus

Hand flexion

25
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Flexor Carpi Ulnaris

Hand flexion & adduction

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Flexor Digitorum Superficialis

Wrist flexion; flexes digits 2–5

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Flexor Pollicis Longus

Flexes digit 1 (thumb)

28
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Flexor Digitorum Profundus

Wrist flexion; flexes digits 2–5

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Pronator Quadratus

Forearm pronation

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Brachioradialis

Forearm flexion

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Extensor Carpi Radialis Longus

Hand extension & abduction

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Extensor Carpi Radialis Brevis

Hand extension & abduction

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Extensor Digitorum

Wrist extension; extends digits 2–5

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Extensor Digiti Minimi

Extends digit 5

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Extensor Carpi Ulnaris

Hand extension & adduction

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Supinator

Forearm supination

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Abductor Pollicis Longus

Abducts digit 1

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Extensor Pollicis Longus

Extends digit 1

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Extensor Pollicis Brevis

Extends digit 1

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Extensor Indicis

Extends digit 2

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Abductor Pollicis Brevis

Abducts pollex

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Flexor Pollicis Brevis

Flexes pollex

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Opponens Pollicis

Opposes pollex

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Abductor Digiti Minimi

Abducts digit 5

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Flexor Digiti Minimi

Flexes digit 5

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Opponens Digiti Minimi

Opposes digit 5

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Lumbricals (4)

Flex MCP; extend PIP & DIP

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Dorsal Interossei (4)

Abduct digits 2–5

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Palmar Interossei (4)

Adduct digits 2, 4, 5