Lec. 6 Upper Limb Skeleton

Question 1

What is the pectoral girdle composed of

Answer 1

• clavicle

- scapula

Question 2

Features of scapula

Answer 2

Superior angle 
Inferior angle 
Glenoid cavity (connects humerus)
Acromion process
Coracoid process 
Subscapular fossa
Spine
Supraspinous fossa
Infraspinous fossa

Question 3

How many bones in upper limb

Answer 3

30
Arm = 1 bone (humerus)
Forearm = 2 bones (Ulna, radius)
Wrist = 8 bones (carpals)
Hand = 19 bones (metacarpal, phalanges)

Question 4

Characteristics of the Humerus

Answer 4

Proximal side
- Head 
- Anatomical neck
- Surgical neck
- Body
- Greater tubercle
- Lesser tubercle
- Intertubercular sulcus (groove)
- Deltoid tuberosity 
Distal end
- Trochlea 
- Capitulum
- lateral epicondyle
- medial epicondyle 
- lateral & medial supracondular ridge
- olecranon fossa

Question 5

Characteristics of the Forearm

Answer 5

Ulna
- trochlear notch
- coronoid process
- olecranon process 
- radial notch 
- ulnar tuberosity
- head
- styloid process
Radius 
- head
- neck
- radial tuberosity
- styloid process
- ulnar notch

Question 6

Carpal bones

Answer 6

Starting at the thumb lateral- medial
Proximal
- Scaphoid
- Lunate
- Triquetrum
- Pisiform
Distal
- Trapezium (rhymes w thumb)
- Trapezoid
- Capitate
- Hamate
“Some Lovers Try Positions That They Can’t Handle”

Question 7

5 Metacarpals

Answer 7

Numbered metacarpal 1-5 starting w/ thumb

Question 8

Phalanges

Answer 8

Thumb:
- proximal phalanx
- distal phalanx
Digits:
- proximal phalanx
- middle phalanx
- distal phalanx