
These actually help in conditioning focus to follow beats and take attention away from the strain when doing exercises. Personally I really love to run long distances on the treadmill or even outside with some songs playing in the background.
To ensure quality sound when they are played, it is best to invest in good earphones that not only gives a high definition sound but also works best even through quick movements when working out. JBL by Harman is one of the brands highly recommended as brands which has dedicated itself to developing these products.