This document provides an overview of common musculoskeletal injuries including bones, joints, muscles, and tendons. It describes the anatomy and functions of the musculoskeletal system. Key terms are defined such as fracture, dislocation, sprain, and strain. Common signs and symptoms of musculoskeletal injuries are pain, swelling, deformity, and inability to move. General care includes immobilizing the injury, applying RICE (rest, ice, compression, and elevation), and summoning advanced medical help. Specific injuries to areas like the shoulder, elbow, forearm, ankle and their treatments are outlined.