Tennis Elbow (Lateral Epicondylitis): Inflammation of tendons on the outside of the elbow due to repetitive strain. Body Parts: Elbow, forearm, wrist. Tests & Checkups: Physical examination, ultrasound, MRI (if chronic). Specialists: Physical Therapist, Orthopedist, Sports Medicine Specialist. Treatments: Stretching, eccentric strengthening, bracing, ice/heat, ergonomic adjustments.