17. Bursitis: external, normal bursa, inflamed bursa.

18. Fractures: fratured radius, fractured ulna

19. Dislocation: dislocated humerus between radius and ulna, dislocated humerus

20. Fracture and disloaction: distorted angle, broken coronoid process, broken coronoid process and dislocation and broken head of radius

21. Tennis elbow (lateral epicondylitis): extensor carpi radialis brevis, extensor digiti minimi, extensor carpi ulnaris, inflamed extensor tendons, lateral epicondyle

22. Golfers elbow (medial epicondylitis): medial epicondyle, inflamed pronator teres tendon, brachioradialis, flexor carpi radialis, palmaris longus

23. Muscle tear/ strain: torn muscle, epicondyle

24. Osteoarthritis: normal condition, damaged condition, osteophytes, damaged cartilage