>>149445732 (OP)It doesn't do fuck all. It's very useful in rehabilitation to provide sensory feedback based on how you move your body, so when you're moving through a range of motion as you're retraining your body after an injury, you get a second set of inputs to associate with both correct and incorrect patterns.
Oh, you meant the retards who think a piece of tape on their skin somehow supports their muscles and joints? Yeah, no, they're retarded.