When to see a specialist for common sports injuriesMild sports injuries often start with self-management or a GP, physiotherapist or MSK clinician, but a locked or swollen knee, a shoulder that will not move properly, or a hamstring injury with a sudden pop, heavy bruising or weakness needs prompt specialist review. Function, not scan findings alone, should drive…Mild sports injuries often start with self-management or a GP, physiotherapist or MSK clinician, but a locked or swollen knee, a shoulder that will not move properly, or a hamstring injury with a sudden pop, heavy bruising or weakness needs prompt specialist review. Function, not scan findings alone, should drive urgency.