An observational study of acupuncture and sports fatigue conducted on female swimmers, has found that it improved exercise tolerance, increased haemoglobin and blood glucose concentrations, and promoted quick recovery. The authors concluded that acupuncture can delay the appearance of sports fatigue.
(Impact of Acupuncture Applied to Sanyinjiao on the Movement Ability of Female Athletes. International Journal of Clinical Acupuncture, 2007.)