Anatomy (Shoulder)

Front 1

Ulna

Back 1

Stabilizing bone of the forearm

Longest forearm bone

Does not articulate directly with carpal bones

Front 2

2 proximal prominent projection of ulnar

Back 2

1. Olecranon (posterior)

2. Coronoid process (anteiror)

Front 3

Walls of trochlea notch

Back 3

Olecranon process

Coronoid process

Front 4

Radial notch

Back 4

Smooth rounded concavity

Front 5

Shaft of ulnar

Back 5

Thick

Tapers in diameter distal

Ends in head of ulnar

Front 6

Feature of ulna

Back 6

1. Supinator fossa (distal)

2. Supinator creast

3. Radial notch

4. Tuberosity of ulnar

5. Trochlear notch (proximal)

Front 7

Radius

Back 7

Shortest forearm bone

Front 8

Head of radius articulation

Back 8

The smooth surface of head is concave and articulated with capitulum of humerus

Articulates medially with radial notch of ulna

Front 9

Dorsal tubercle of radius

Back 9

Lies between two of the shallow grooves for passage of the tendons of forearm muscle

Serve as a trochlea (pulley) for the tendon of the long extensor of the thumb

Front 10

Carpus

Back 10

Aka wrist

Composed of 8 carpal bones arranged in rows

Convex posterior & Concave anteriorly

Front 11

Carpal bones

Back 11

Give wrist flexibility

2 rows glide on each other

Each bone individually glides on the surrounding bones

Front 12

Scaphoid

Back 12

Boat shaped bone

Has prominent scaphoid tubercle

Front 13

Lunaye

Back 13

(L. Moon)

A moon shaped bone that is broader anteriorly and posteriorly

Front 14

Triquetrum

Back 14

A pyramidal bone (3 cornors)

Front 15

Pisiform

Back 15

Small pea shaped bone that lies on palmer surface of the triquetrum

Front 16

Trapezium

Back 16

A four sided bone on the lateral side of the carpus

Front 17

Trapezoid

Back 17

A wedge shaped bone

Front 18

Capitate

Back 18

The head shaped bone

Largest bone in the carpus

Front 19

Hamate

Back 19

Wedge shapes with a hooked process (hook of hamate) that extends anteriorly