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Upper Limb Anatomy > All Muscles > Flashcards

All Muscles Flashcards

1
Q

Subscapularis

A

O: medial 2/3 subscapular fossa
I: lesser tubercle of humerus
A: Medial rotation
I: subscapular nerve C5,6,7

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2
Q

Supraspinatus

A

O: medial 2/3 supraspinous fossa
I: upper facet on greater tubercle of humerus
A: adduction
I: suprascapular nerve C5,6

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3
Q

Infraspinatus

A

O: infraspinatus fossa (med 2/3)
I: mid facet of greater tubercle of humerus
A: lateral rotation
I: supraspinous nerve C5,6

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4
Q

Teres Minor

A

O: upper 2/3 lateral scapula
I: lower facet on greater tubercle
A: lateral rotation
I: axillary nerve C5,6

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5
Q

Trapezius

A

O: med 2/3 nuchal line, ligamentum nuchae, EOP, SP C7-T12, supraspinous ligaments
I: upper- anterior lateral 1/3 clavicle
Middle- medial acromion, superior lip of crest of spine of scapula
Lower- tubercle on spine of scapula
A: upper- elevate, middle- retract, lower- depress
I: spinal accessory nerve C2,3,4

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6
Q

Latissimus Dorsi

A

O: thoracolumbar fascia, SP T12-S5, supraspinous ligaments, inferior angle of scapula, outer surface of iliac crest, ribs 9-12
I: floor of bicipital groove
A: extends, adducts, medially rotates
I: thoracodorsal nerve C6,7,8

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7
Q

Rhomboid Minor

A

O: ligamentum nuchae, SP C7-T1
I: upper medial aspect of scapula
A: retract, medially rotate
I: dorsal scapular nerve C5

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8
Q

Rhomboid Major

A

O: SP T2-5, supraspinous ligaments
I: lower medial aspect of scapula
A: retracts, medially rotates
I: dorsal scapular nerve C5

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9
Q

Levator Scapulae

A

O: TP C1-4
I: upper medial aspect of scapula
A: elevate, retract, medially rotate
I: dorsal scapular nerve C5

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10
Q

Serratus Anterior

A

O: outer surface ribs 8-9, intercostal fascia
I: medial aspect of scapula
A: protracts, laterally rotates
I: long thoracic nerve 5,6,7

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11
Q

Pectoralis Minor

A

O: apex of coracoid process
I:: outer surface of ribs 3-5, intercostal fascia
A: protracts, medially rotates
I: medial and lateral pectoral nerve C6,7,8

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12
Q

Pectoralis Major

A

O: anterior med 1/3 clavicle, anterior sternum, 6th rib and upper 6 costal cartilages
I: bicipital groove, clavicular head inserts onto humerus inferior to groove
A: flexes, adducts, medially rotates
I: medial pectoral nerve C8,T1, lateral pectoral nerve C5,6,7

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13
Q

Subclavius

A

O: 1st rib
I: inferior clavicle
A: stabilises clavicle
I: nerve to subclavius C5,6

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14
Q

Coracobrachialis

A

O: apex of coracoid process
I: medial side shaft of humerus
A: adducts, flexes
I: musculocutaneous nerve C6,7

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15
Q

Teres Major

A

O: lower 2/3 lateral surface, inferior angle of scapula
I: medial lip of the bicipital groove
A: adducts, medially rotates
I: lower subscapular nerve C6,7

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16
Q

Deltoid

A 
O: ant- lat 1/3 clavicle
    Mid- outer border of acromion
    Post- lower border of scapula (below spine)
I: deltoid tuberosity 
A: abduct, ant- flex/med, post- ext/lat
I: Axillary nerve C5,6
17
Q

Biceps Brachii

A 
Long head- supraglenoid tubercle, bitipital groove
Short head- apex of coracoid process
I: posterior radial tuberosity 
A: flexes, supinates
I: musculocutaneous nerve C5,6
18
Q

Brachialis

A

O: lower 2/3 anterior radius, adjacent septa
I: coronoid process, posterior ulna
A: flexes elbow
I: musculocutaneous nerve C5,6

19
Q

Brachioradialis

A

O: upper 2/3 surpacondylar ridge of humerus, adjacent septa
I: lateral aspect of radius
A: mid range flexor
I: radial nerve C5,6

20
Q

Supinator

A 
Humeral head- lateral epicondyle 
Ulnar head- supinator crest, ulnar fossa
I: anterior posterior lateral radius
A: supinates forearm
I: radial nerve C5,6
21
Q

Triceps Brachii

A

Long head- infraglenoid tubercle, labrum
Lateral head- post humerus, lower/lateral to spiral groove
Medial head- post humerus, upper/medial to spiral groove
I: posterior olecranon of ulna
A: extends elbow
I: radial nerve C6,7,8

22
Q

Anconeus

A

O: posterior aspect of lateral epicondyle of humerus
I: lateral olecranon, posterior ulna
A: stability, assists in extension
I: radial nerve C6,7

23
Q

Pronator Teres

A

O: medial epicondyle, pronator ridge of ulna
I: mid lateral surface of radius
A: pronates forearm
I: Median nerve C6,7

24
Q

Pronator Quadratus

A

O: lower 1/4 ulna
I: lower 1/4 radius
A: pronates
I: median nerve C8,T1

25
Q

Flexor Carpi Radialis

A

O: medial epicondyle
I: palmar surface of 2/3 base of MC
A: flexes, radially deviates wrist
I: median nerve C6,7

26
Q

Palmaris Longus

A

O: medial epicondyle
I: flexor retinaculum
A: weak wrist flexor
I: median nerve C8

27
Q

Flexor Carpi Ulnaris

A

O: medial epicondyle
I: pisiform, via ligs into hook of hamate, base of 5th MC
A; flexes, ulnar deviates
I: ulnar nerve C7,8

28
Q

Extensor Carpi Radialis Longus

A

O: lateral epicondyle
I: posterior border base of 2nd MC
A: extends, radially deviates wrist
I: radia nerve C6,7

29
Q

Extensor Carpi Radialis Brevis

A

O: lateral epicondyle
I: posterior border of base of 3rd MC
A: extends, radially deviates wrist
I: radial nerve C6,7

30
Q

Extensor Carpi Ulnaris

A

O: lateral epicondyle
I: posterior border of base of the 5th MC
A: extends, ulnar deviates wrist
I: radial nerve C6,7

31
Q

Flexor Digitorum Superficialis

A

O: medial epicondyle, medial coronoid process, ulnar collateral ligament, upper 2/3 anterior radius
I: palmar surface of proximal phalanges 2-5
A: flexes joints at wrist, MCP, PIP
I: median nerve C7,8,T1

32
Q

Flexor Digitorum Profundus

A

O: upper 2/3 anteromedial ulna, mid 1/3 interosseous membrane
I: palmar surface of distal phalanges 2-5
A: flexes wrist MCP PIP DIP joints
I: median nerve C8,T11

33
Q

Extensor Digitorum

A

O: lateral epicondyle
I: dorsal digital expansion, posterior surface of distal and proximal phalanges 2-5
A: extends joints at wrist, MCP, DIP, PIP
I: radial nerve C7,8

34
Q

Extensor Indicis

A

O: posterior ulna
I: dorsal expansion of 2nd finger
A: extends 2nd finger
I: radial nerve C7,8

35
Q

Extensor Digiti Minimi

A

O: lateral epicondyle
I: dorsal expansion of 5th finger
A: extends 5th finger
I: radial nerve C7,8

Upper Limb Anatomy (5 decks)

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