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Limbs & Back Muscles > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

Supraspinatus origin, insertion, innervation, movement?

A

Scapula (supraspinatus fossa)

Sup- greater tubercle

Suprascapular nerve (upper trunk BP C5&C6)

Abduction & Stabilization

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2
Q

Infraspinatus origin, insertion, innervation, movement?

A

Scapula (infraspinatus fossa)

Post/sup - greater tubercle

Suprascapular nerve (upper trunk BP C5&C6)

Lateral rotation & Stabilization

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3
Q

Teres Minor origin, insertion, innervation, movement?

A

Lateral margin scapula

Post - greater tubercle

Auxiliary nerve (posterior cord C5&C6)

Lateral rotation & Stabilization

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4
Q

Subscapularis origin, insertion, innervation, movement?

A

Scapula (subscapular fossa)

Lesser tubercle

Subscapular nerve (upper and lower, posterior cord BP C5&C6)

Medial rotation & Stabilization

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5
Q

Deltoid origin, insertion, innervation, movement?

A

Clavicle, Acromion process and scapular spine

Deltoid tuberosity

Axillary

Flexes and extends shoulder. Abducts medially and laterally rotates arm.

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6
Q

Serratus Anterior origin, insertion, innervation, movement?

A

First to 8th/9th ribs

Medial border of scapula

Long thoracic (root C5,6,7)

Rotates and retracts scapula, elevates ribs

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7
Q

Teres Major origin, insertion, innervation, movement?

A

Lateral border of scapula

Medial crest of intertubercular grove

Subscapular nerve (lower, posterior cord BP C5&C6)

Extends shoulder, abducts and medially rotates arm.

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8
Q

Pectoralis major origin, insertion, innervation, movement?

A

Clavicle, sternum, superior 6 costal cartilages, abdominal aponeurosis

Lateral crest of intertubercular groove

Medial and lateral pectoral nerve (medial and later cords)

Flexes shoulder, adducts and medially rotates arm, extends shoulder from flexed position

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9
Q

Pectoralis Minor origin, insertion, innervation, movement?

A

3rd to 5th ribs

Coracoid process of scapula

Medial pectoral (medial cord)

Depresses scapula / retracts shoulder

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10
Q

Bicep Brachii origin, insertion, innervation, movement?

A

Short - coracoid process
Long - supraglenoid tubercle

Radial tuberosity of radius
Deep fascia of forearm

Musculocutaneous (C5/C6)

Flexion of elbow/ weak flexor or shoulder

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11
Q

Coracobrachialis origin, insertion, innervation, movement?

A

Coracoid process

Anteromedial humeral shaft

Musculocutaneous (C5/C6)

Adducts/flexes shoulder

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12
Q

Brachialis origin, insertion, innervation, movement?

A

Distal half anterior humerus

Coronoid process of ulna/ tuberosity of ulna

Musculocutaneous (C5/C6)

Flexion of elbow

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13
Q

Triceps Brachii origin, insertion, innervation, movement?

A

Long - infraglenoid tubercle
Medial- posterior humerus inf. Radial groove
Lateral - posterior humerus sup. Radial groove

Olecranon of ulna/ fascia of forearm

Radial (C6-C8)

Extension of elbow / Extension and adduction of shoulder

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14
Q

Pronator Teres origin, insertion, innervation, movement?

A

Medial epicondyle of hum & coronoid process of ulna

Radius

Median

Pronates forearm/Hand

Anterior Superficial

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15
Q

Flexor Carpi Radialis origin, insertion, innervation, movement?

A

Medial epicondyle of hum

2nd/3rd metacarpal bones

Median

Flex/Abduct wrist

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16
Q

Palmaris longus origin, insertion, innervation, movement?

A

Medial epicondyle of hum

Palmar fascia

Median

Flex wrist/ tense palmar fascia

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17
Q

Flexor carpi ulnaris origin, insertion, innervation, movement?

A

Medial epicondyle of hum and uln

Pisiform, hamate and 5th metacarpal bones

Ulnar

Flex/Adduct wrist

18
Q

Flexor digitorum superficialis origin, insertion, innervation, movement?

A

Medial epicondyle of hum & coronoid process of ulna, radius

Proximal phalanges digits 2-5

Median

Flex interphalangeal and wrist

19
Q

Extensor carpi brevis origin, insertion, innervation, movement?

A

Lateral epicondyle of hum

Base 3rd metacarpal bone

Radial

Extend/ abduct wrist

20
Q

Extensor digitorum origin, insertion, innervation, movement?

A

Lateral epicondyle of hum

Extensor tendon expansion over phalanges of digits 2-5

Radial

Extends wrist/fingers

21
Q

Extensor digiti minimi origin, insertion, innervation, movement?

A

Lateral epicondyle of hum

Extensor tendon expansion over phalanges of digit 5

Radial

Extends digit 5 and wrist

22
Q

Extensor carpi ulnaris origin, insertion, innervation, movement?

A

Lateral epicondyle of hum and ulna

Base of 5th metacarpal bone

Radial

Extend/ adduct wrist

23
Q

Brachioradialis origin, insertion, innervation, movement?

A

Lateral supracondylar ridge of hum

Styloid process of radius

Radial - before PIN

Flexes elbow

24
Q

Extensor carpi radialis longus origin, insertion, innervation, movement?

A

Lateral supracondylar ridge of hum

Base of 2nd metacarpal bone

Radial - before PIN

Extends/abducts wrist

25
Q

Anconeus origin, insertion, innervation, movement?

A

Lateral epicondyle of humerus

Lateral surface of olecranon (ulna)

Radial

Extension/stabilisation of elbow/pronation

26
Q

Flexor pollicis longus origin, insertion, innervation, movement?

A

Ulna

Distal phalanx of thumb

Median

Flexes thumb

27
Q

Flexor digitorum profundus origin, insertion, innervation, movement?

A

Ulna

Distal phalanges digits 2-5

Ulnar (digits 2-3)
Median (digits 4-5)

Flexes fingers at metacarpophalangeal and wrist

28
Q

Pronator quadratus origin, insertion, innervation, movement?

A

Distal Ulna

Distal radius

Median

Pronates forearm

29
Q

Extensor indictis origin, insertion, innervation, movement?

A

Ulna

Extensor tendon expansion over digit 2

Radial

Extends digit 2 and wrist

30
Q

Extensor pollici longus origin, insertion, innervation, movement?

A

Ulna

Distal phalanx of thumb

Radial

Extends thumb

31
Q

Extensor pollicis brevis origin, insertion, innervation, movement?

A

Radius

Proximal phalanx of thumb

Radial

Extends and abducts thumb, abducts wrist

32
Q

Abductor pollicis longus origin, insertion, innervation, movement?

A

Posterior ulna/radius/interosseous membrane

Base of 1st metacarpal bone

Radial

Abducts and extends thumb, abducts wrist

33
Q

Abductor digiti minimi origin, insertion, innervation, movement?

A

Pisoform

Medial prox. phalanx, ext. exp digit 5

Ulnar

MP - abduction and flexion
IP - extension

34
Q

Flexor digiti minimi origin, insertion, innervation, movement?

A

Hamate, flexor retinaculum

Prox. phalanx digit 5

Ulnar

MP - flexion

35
Q

Opponens digiti minimi origin, insertion, innervation, movement?

A

Hamate, flexor retinaculum

Medial metacarpal bone 5

Ulnar

CM - flexion / lateral rotation / opposition

36
Q

Abductor policis brevis origin, insertion, innervation, movement?

A

Scaphoid and trapezium

Lateral proximal phalanx 1

Median

CM - abduction

37
Q

Flexor policis brevis origin, insertion, innervation, movement?

A

Superficial head - trapezium / flexor retinaculum
Deep head - trapezoid / capitate

Lateral proximal phalanx 1

Median

CM - flexion
MP - flexion

38
Q

Opponens policis origin, insertion, innervation, movement?

A

Trapezium / flexor retinaculum

Medial metacarpal 1

Median

CM - opposition

39
Q

Lumbricals (4) origin, insertion, innervation, movement?

A

Tendons of FDP

Extensor expansion tendons (digits 2-5)

Median/Ulnar

Flex Metacarpal/phalangeal joint
Ext. Interphalangeal joints

40
Q

PalmarInterossei (3) origin, insertion, innervation, movement?

A

Middle finger side of metacarpals 2,4,5

Phalanges 2,4,5 and ext. exp.

Ulnar

Adduct & flex MP, ext. IP
PAD - Palmar adduct

41
Q

Dorsal Interossei (4) origin, insertion, innervation, movement?

A

Arise from adjacent metacarpals

Phalanges 2-4 and ext. exp.

Ulnar

Abduct & flex MP, ext. IP
DAB - dorsal abduct

Limbs & Back Muscles (3 decks)

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