Sports medicine specialists treat a wide range of musculoskeletal and non-musculoskeletal injuries. Musculoskeletal problems can include acute injuries such as ankle and knee sprains, muscle strains, and shoulder dislocations, and overuse injuries such as tendonitis and stress fractures. Non-musculoskeletal problems can include mild traumatic brain injury and other head injuries, athletes with chronic or acute illness, nutrition and performance issues, and more.