Steroid: Any of numerous organic compounds, including cortisone, estrogen, and testosterone, each of which has many effects on the body.

Rehabilitation: Treatment for an injury or illness aimed at restoring physical abilities

Orthopedic: Orthopedics is a branch of medicine, which is related to diagnosis and treatment of diseases of Musculo- skeletal system.

Pain: An unpleasant sensation that can range from mild localized discomfort to agony. Pain has both physical and emotional components.