M.D.: Dr. of Medicine

D.O.: Doctor of Osteopathy

Osteopathy: A system of medicine based on the theory that disturbances in the musculoskeletal system affect other bodily parts, causing many disorders that can be corrected by various manipulative techniques in conjunction with conventional medical, surgical, pharmacological, and other therapeutic procedures.

Doctor of Medicine: from the Latin Medicinæ Doctor meaning "Teacher of Medicine") is a doctoral degree for physicians. The degree is granted by medical schools. It is a professional doctorate / first professional degree (qualifying degree)

Arthroscopic: Examination of the interior of a joint, such as the knee, using a type of endoscope that is inserted into the joint through a small incision.

Orthopedics: is the study of the musculoskeletal system. Orthopedic doctors (also called Orthopedists or Orthopeds) specialize in diagnosis and treatment of problems of the musculoskeletal system. The musculoskeletal system includes: bones, joints,
ligaments, tendons, muscles, and nerves.