Musculoskeletal disorders (MSDs) are a leading cause of compensated injury – but what exactly are we referring to when we talk about the musculoskeletal system? Here’s a brief rundown,  modified from Wikipedia:  The  musculoskeletal system is the system that gives people the ability to move using the muscular and skeletal systems. It is made up of the body's bones (skeletal system), muscles, cartilage,&...