1?

medial epicondyle
2?

medial supracondylar ridge
3?

lateral epicondyle
4?

lateral supracondylar ridge
5?

radial head
6?

capitellum
7?

trochlea
8?

anterior trochlear notch including coronoid process
9?

neck of radius
10?

radial tuberosity
11?

olecranon foassa (and superimposed coronoid process)
1?

olecranon fossa
2?

coronoid fossa
3?

olecranon process
4?

ulnar tuberosity
5?

capitellum
6?

trochlea
7?

trochlear notch
8?

trochlea
1?

lateral supracondylar ridge
2?

olecranon process
3?

coronoid process
4?

radial tuberosity
5?

radial notch of the ulna