Upper Limb

Question 1

Supraspinatus origin, insertion, innervation, movement?

Answer 1

Scapula (supraspinatus fossa)

Sup- greater tubercle

Suprascapular nerve (upper trunk BP C5&C6)

Abduction & Stabilization

Question 2

Infraspinatus origin, insertion, innervation, movement?

Answer 2

Scapula (infraspinatus fossa)

Post/sup - greater tubercle

Suprascapular nerve (upper trunk BP C5&C6)

Lateral rotation & Stabilization

Question 3

Teres Minor origin, insertion, innervation, movement?

Answer 3

Lateral margin scapula

Post - greater tubercle

Auxiliary nerve (posterior cord C5&C6)

Lateral rotation & Stabilization

Question 4

Subscapularis origin, insertion, innervation, movement?

Answer 4

Scapula (subscapular fossa)

Lesser tubercle

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

Medial rotation & Stabilization

Question 5

Deltoid origin, insertion, innervation, movement?

Answer 5

Clavicle, Acromion process and scapular spine

Deltoid tuberosity

Axillary

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

Question 6

Serratus Anterior origin, insertion, innervation, movement?

Answer 6

First to 8th/9th ribs

Medial border of scapula

Long thoracic (root C5,6,7)

Rotates and retracts scapula, elevates ribs

Question 7

Teres Major origin, insertion, innervation, movement?

Answer 7

Lateral border of scapula

Medial crest of intertubercular grove

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

Extends shoulder, abducts and medially rotates arm.

Question 8

Pectoralis major origin, insertion, innervation, movement?

Answer 8

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

Question 9

Pectoralis Minor origin, insertion, innervation, movement?

Answer 9

3rd to 5th ribs

Coracoid process of scapula

Medial pectoral (medial cord)

Depresses scapula / retracts shoulder

Question 10

Bicep Brachii origin, insertion, innervation, movement?

Answer 10

Short - coracoid process
Long - supraglenoid tubercle

Radial tuberosity of radius
Deep fascia of forearm

Musculocutaneous (C5/C6)

Flexion of elbow/ weak flexor or shoulder

Question 11

Coracobrachialis origin, insertion, innervation, movement?

Answer 11

Coracoid process

Anteromedial humeral shaft

Musculocutaneous (C5/C6)

Adducts/flexes shoulder

Question 12

Brachialis origin, insertion, innervation, movement?

Answer 12

Distal half anterior humerus

Coronoid process of ulna/ tuberosity of ulna

Musculocutaneous (C5/C6)

Flexion of elbow

Question 13

Triceps Brachii origin, insertion, innervation, movement?

Answer 13

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

Question 14

Pronator Teres origin, insertion, innervation, movement?

Answer 14

Medial epicondyle of hum & coronoid process of ulna

Radius

Median

Pronates forearm/Hand

Anterior Superficial

Question 15

Flexor Carpi Radialis origin, insertion, innervation, movement?

Answer 15

Medial epicondyle of hum

2nd/3rd metacarpal bones

Median

Flex/Abduct wrist

Question 16

Palmaris longus origin, insertion, innervation, movement?

Answer 16

Medial epicondyle of hum

Palmar fascia

Median

Flex wrist/ tense palmar fascia

Question 17

Flexor carpi ulnaris origin, insertion, innervation, movement?

Answer 17

Medial epicondyle of hum and uln

Pisiform, hamate and 5th metacarpal bones

Ulnar

Flex/Adduct wrist

Question 18

Flexor digitorum superficialis origin, insertion, innervation, movement?

Answer 18

Medial epicondyle of hum & coronoid process of ulna, radius

Proximal phalanges digits 2-5

Median

Flex interphalangeal and wrist

Question 19

Extensor carpi brevis origin, insertion, innervation, movement?

Answer 19

Lateral epicondyle of hum

Base 3rd metacarpal bone

Radial

Extend/ abduct wrist

Question 20

Extensor digitorum origin, insertion, innervation, movement?

Answer 20

Lateral epicondyle of hum

Extensor tendon expansion over phalanges of digits 2-5

Radial

Extends wrist/fingers

Question 21

Extensor digiti minimi origin, insertion, innervation, movement?

Answer 21

Lateral epicondyle of hum

Extensor tendon expansion over phalanges of digit 5

Radial

Extends digit 5 and wrist

Question 22

Extensor carpi ulnaris origin, insertion, innervation, movement?

Answer 22

Lateral epicondyle of hum and ulna

Base of 5th metacarpal bone

Radial

Extend/ adduct wrist

Question 23

Brachioradialis origin, insertion, innervation, movement?

Answer 23

Lateral supracondylar ridge of hum

Styloid process of radius

Radial - before PIN

Flexes elbow

Question 24

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

Answer 24

Lateral supracondylar ridge of hum

Base of 2nd metacarpal bone

Radial - before PIN

Extends/abducts wrist

Question 25

Anconeus origin, insertion, innervation, movement?

Answer 25

Lateral epicondyle of humerus Lateral surface of olecranon (ulna) Radial Extension/stabilisation of elbow/pronation

Question 26

Flexor pollicis longus origin, insertion, innervation, movement?

Answer 26

Ulna Distal phalanx of thumb Median Flexes thumb

Question 27

Flexor digitorum profundus origin, insertion, innervation, movement?

Answer 27

Ulna Distal phalanges digits 2-5 Ulnar (digits 2-3) Median (digits 4-5) Flexes fingers at metacarpophalangeal and wrist

Question 28

Pronator quadratus origin, insertion, innervation, movement?

Answer 28

Distal Ulna Distal radius Median Pronates forearm

Question 29

Extensor indictis origin, insertion, innervation, movement?

Answer 29

Ulna Extensor tendon expansion over digit 2 Radial Extends digit 2 and wrist

Question 30

Extensor pollici longus origin, insertion, innervation, movement?

Answer 30

Ulna Distal phalanx of thumb Radial Extends thumb

Question 31

Extensor pollicis brevis origin, insertion, innervation, movement?

Answer 31

Radius Proximal phalanx of thumb Radial Extends and abducts thumb, abducts wrist

Question 32

Abductor pollicis longus origin, insertion, innervation, movement?

Answer 32

Posterior ulna/radius/interosseous membrane Base of 1st metacarpal bone Radial Abducts and extends thumb, abducts wrist

Question 33

Abductor digiti minimi origin, insertion, innervation, movement?

Answer 33

Pisoform Medial prox. phalanx, ext. exp digit 5 Ulnar MP - abduction and flexion IP - extension

Question 34

Flexor digiti minimi origin, insertion, innervation, movement?

Answer 34

Hamate, flexor retinaculum Prox. phalanx digit 5 Ulnar MP - flexion

Question 35

Opponens digiti minimi origin, insertion, innervation, movement?

Answer 35

Hamate, flexor retinaculum Medial metacarpal bone 5 Ulnar CM - flexion / lateral rotation / opposition

Question 36

Abductor policis brevis origin, insertion, innervation, movement?

Answer 36

Scaphoid and trapezium Lateral proximal phalanx 1 Median CM - abduction

Question 37

Flexor policis brevis origin, insertion, innervation, movement?

Answer 37

Superficial head - trapezium / flexor retinaculum Deep head - trapezoid / capitate Lateral proximal phalanx 1 Median CM - flexion MP - flexion

Question 38

Opponens policis origin, insertion, innervation, movement?

Answer 38

Trapezium / flexor retinaculum Medial metacarpal 1 Median CM - opposition

Question 39

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

Answer 39

Tendons of FDP Extensor expansion tendons (digits 2-5) Median/Ulnar Flex Metacarpal/phalangeal joint Ext. Interphalangeal joints

Question 40

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

Answer 40

Middle finger side of metacarpals 2,4,5 Phalanges 2,4,5 and ext. exp. Ulnar Adduct & flex MP, ext. IP PAD - Palmar adduct

Question 41

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

Answer 41

Arise from adjacent metacarpals Phalanges 2-4 and ext. exp. Ulnar Abduct & flex MP, ext. IP DAB - dorsal abduct