Yet some overeager, inexperienced or unethical coaches persist in offering instructions right up to, and even after, the gun. It is of course an admission of inadequate preparation. There should be no communication with the swimmer in any way, either directly or by any system of signalling by whistles, calls, bells or other sounds or motions. However, it is permissible for a lap counter to use a watch and signal intermediate times to the swimmer. Competitive team spirit is excellent.
Traditional rivalries are wholesome provided they are friendly.
As soon as they become vicious, poor sportsmanship results.