Below are some informational links on common elbow issues
(from the American Academy of Orthopaedic Surgeons website):

Biceps Tendinitis

Broken Arm

Dislocated Elbow

Elbow (Olecranon) Bursitis

Olecranon (Elbow) Fractures

Osteoarthritis of the Elbow

Radial Head Fractures

Rupture of the biceps Tendon at the Elbow

Tennis Elbow (Lateral Epicondylitis)

Throwing Injuries in the Elbow

Ulnar Nerve Entrapment