А вот я что нашла насчет отекания, если вы по английски читаете. http://www.mayoclinic.org/diseases-conditions/edema/expert-answers/hand-swelling/faq-20058255There's no proven way to prevent or reduce most exercise-related hand swelling, but these tips may help ease discomfort:•Remove your rings and loosen your watchband before exercise.•Perform occasional forward and backward arm circles during exercise.•Stretch your fingers wide and then make fists several times during exercise.