Upper Limb

Question 1

Humerus

Answer 1

• longest bone of the upper limb

- articulates with scapula at the shoulder and with radius & ulna

Question 2

Ulna

Answer 2

• longer than the radius

- major forearm bone

Question 3

Radius

Answer 3

• head of radius articulates with the capitulum of the humerus at the elbow joint
• major forearm bone contributing to wrist movement

Question 4

Name the space between the radius and the ulna

Answer 4

Interosseous membrane

Question 5

Which bony feature is the funnybone

Answer 5

Humerus - medial epicondyle

Question 6

Bones of the hands

Answer 6

• carpals
• metacarpals
• phalanages

Question 7

Movement of the shoulder

Answer 7

• elevation
• depression
• protraction
• retraction
• rotation

Question 8

Movement of the elbow joint

Answer 8

• flexion

- extension

Question 9

Movement of the radioulnar joint

Answer 9

• supination

- pronation

Question 10

Movement of the wrist joint (radiocarpal)

Answer 10

• flexion and extension

- abduction and adduction

Question 11

Movement of the metacarpophalangel joints

Answer 11

• flexion and extension

- abduction and adduction

Question 12

Movement of the carpometacarpal joint of the thumb (saddle joint)

Answer 12

• flexion and extension
• abduction, adduction
• circumduction
• opposition/ reposition

Question 13

Movement of the inter phalange joints (hinge joint)

Answer 13

• flexion

- extension

Question 14

Trapezius - origin

Answer 14

• occipital bone

- cervical and thoracic vertebrae

Question 15

Trapezius - insertion (3)

Answer 15

• clavicle
• acromion
• spine of scapula

Question 16

Actions of the trapezius

Answer 16

• elevation and depression of shoulder
• retraction of the shoulder
• rotation of the shoulder
• extension of the neck

Question 17

Latissimus Dorsi - origin (3)

Answer 17

• iliac crest of hipbone
• lower thoracic vertebrae
• all lumbar vertebrae

Question 18

Latissimus Dorsi - insertion

Answer 18

Humerus

Question 19

Latissimus Dorsi - action

Answer 19

• adduction and extension of the humerus at the shoulder joint

Question 20

Pectoralis Major - origin (3)

Answer 20

• clavicle
• sternum
• upper ribs (2-6)

Question 21

Pectoralis Major - Insertion

Answer 21

• greater tubercle of the humerus

Question 22

Pectoralis Major - Action

Answer 22

• adduction
• flexion
• medial rotation or the humerus at the shoulder joint

Question 23

Serratus Anterior - origin

Answer 23

• ribs (1-8/9)

Question 24

Serratus Anterior - insertion

Answer 24

Entire Anterior surface of the medial border of the scapula

Question 25

Serratus Anterior - actions

Answer 25

- protraction (drawing shoulder joint forward) | - rotates shoulder upwards

Question 26

Deltoid - origin (3)

Answer 26

- clavicle - acromion - spine of scapula

Question 27

Deltoid - insertion

Answer 27

Deltoid tuberosity of the humerus

Question 28

Deltoid - action

Answer 28

Abduction of the humerus at the shoulder joint

Question 29

List the 4 rotator cuff muscles

Answer 29

- supraspinatus - subscapularis - teres minor - infraspinatus - stabilise the shoulder joint

Question 30

Rotator cuff muscles - action

Answer 30

- rotation | - abduction of the humerus at the shoulder joint

Question 31

What are the major muscles that make up the Anterior and the posterior walls of the axilla

Answer 31

- latissimus Dorsi | - pectoralis Major

Question 32

Biceps brachii - origin (long head and short head)

Answer 32

Long head - scapula, above the Glenoid cavity Short Head - coracoid process

Question 33

Biceps Brachii - Insertion

Answer 33

radial tuberosity

Question 34

Biceps brachii - action

Answer 34

strong flexor of the forearm

Question 35

Triceps Brachii - Origin (long head and lateral/medial heads)

Answer 35

long head - scapula, below glenoid cavity lateral and medial heads - posterior surface of the humerus

Question 36

Tricpes Brachii - Insertion

Answer 36

olecranon process of the ulna

Question 37

Triceps Brachii - Action

Answer 37

extension of the forearm at the elbow joint

Question 38

Flexor digitorium superficialis - Action

Answer 38

flexion of the fingers

Question 39

Flexor digitorium superficialis - Origin (3)

Answer 39

- medial epicondyle of the humerus - ulna - radius

Question 40

Flexor digitorium superficialis - Insertion

Answer 40

anterior surfaces of phalanges

Question 41

Flexor pollicis longus - Action

Answer 41

flexion of the thumb | located along the anterior compartment of the forearm

Question 42

Flexor Pollicis longus - origin

Answer 42

radius (anterior shaft)

Question 43

Flexor Pollicis Longus - Insertion

Answer 43

distal phalanx of the thumb

Question 44

Extensor digitorum - origin

Answer 44

lateral epicondyle of the humerus

Question 45

Extensor digitorum - insertion

Answer 45

posterior surfaces of the phalanges

Question 46

extensor digitorum - action

Answer 46

extends the fingers

Question 47

Extensor Pollicis Longus - action

Answer 47

extends the thumb | located along posterior compartment of the forearm

Question 48

Extensor Pollicis Longus - origin

Answer 48

ulna (posterior surface)

Question 49

Extensor Pollicis Longus - Insertion

Answer 49

distal phalanx of the thumb

Question 50

list the action of the : - Supra Spinatus - Infra Spinatus - Sub Scapulartus - teresminor

Answer 50

rotation abduct