Upper Limb

Question 1

What is this?

Answer 1

The rotor cuff

Question 2

What 4 muscles make up the rotor cuff?

Answer 2

1. subscapularis
2. supraspinatus
3. infraspinatus
4. teres minor

Question 3

What does the rotor cuff do?

Answer 3

Stabilise shoulder joint by holding head of humerus in place

Question 4

How do shoulder dislocations occur?

Answer 4

humerus seperates from scapula

Question 5

What is the difference between an open and closed shoulder relocation?

Answer 5

• Open: includes surgery
• Closed: manipulation of bone without surgical exposure

Question 6

What is this?

Answer 6

The deltoid

Question 7

What does the deltoid insert into?

Answer 7

The humerus

Question 8

What are the 3 action components of the deltoid?

Answer 8

• Posterior
• Middle
• Anterior

Question 9

What muscles in the upper limb are responsible for flexion?

Answer 9

• Deltoid
• Pectoralis major

Question 10

What muscles in the upper limb are responsible for extension?

Answer 10

• Deltoid
• Latissmus Dorsi
• Teres Major

Question 11

What muscles in the upper limb are responsible for abduction?

Answer 11

1. Supraspinatus
2. Deltoid

Question 12

What muscles in the upper limb are responsible for adduction?

Answer 12

• Teres major
• Pectoralis major
• Latissimus dorsi

Question 13

What muscles in the upper limb are responsible for lateral rotation?

Answer 13

• Teres minor
• Infraspinatus
• Deltoid

Question 14

What muscles in the upper limb are responsible for medial rotation?

Answer 14

• Subscapularis
• Teres Major
• Latissimus dorsi
• Pectoralis Major
• Deltoid

Question 15

What type of joint is the elbow joint?

+ what 2 bones are connected

Answer 15

• Synovial hinge joint
• Connects humerus to radius and ulna

Question 16

What are the 4 main parts of the elbow joint?

Answer 16

Distal humerus has
1. Capitulum (for radius)
2. Trochlea (for ulna)
and proximal radius has
3. Cupped head
Proxima ulna has:
4. Trochlea and radial notch

Question 17

What is this?

Answer 17

Question 18

What is this?

Answer 18

Question 19

What is this?

Answer 19

Question 20

What is this?

Answer 20

Question 21

What 3 mucles in the upper limb are the ‘flexors’?

Answer 21

• Biceps brachii
• Brachialis
• Brachioradialis

Question 22

What muscle in the upper limb is the main ‘extensor’?

Answer 22

Triceps brachii

main extensor for elbow

Question 23

What joints allow for upper limb pivots?

Answer 23

• Radio-ulnar

Question 24

What muscles allow for upper limb supination?

Answer 24

• Biceps brachii
• Supinator

Question 25

What muscles allow for upper limb pronation?

Answer 25

• Pronator teres
• Pronator quadratus

Question 26

What side of the hands are the radial and ulna bones?

Answer 26

Radial - thumb
Ulna - pinky

Question 27

What bones are in the hand?

Answer 27

• Carpals
• Metacarpals
• Phalangeal

Question 28

How many carpal bones do we have?

per hand

Answer 28

2 rows of 4

Question 29

How many metacarpals do we have?

per hand

Answer 29

5 (1= thumb, 5=pinky)

Question 30

What are the 3 types of phalangeal bones?

Answer 30

1. Proximal
2. Middle
3. Distal

Question 31

What bone does not participate in the wrist?

Radial or ulna

Answer 31

The ulna

Question 32

What are these (blue numbered)?

Answer 32

Extensor tendons

Question 33

What causes carpal tunnel?

Answer 33

1. Inflimation of digital tendon sheath
2. Fluid retention
3. excessive exercise
4. Repetitive strain injuries

Question 34

What is the effect of carpal tunnel syndrome?

Answer 34

• median nerve compressed = causes sensory change on lateral side of hand and muscle weakness
• Pain, numbness, cannot oppose thumb