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Performance and metabolic profiles of the Wingate Anaerobic Test (WAnT) were compared between a mechanically resisted (ME) and an electro-magnetically braked (EE) cycle ergometer. Fifteen healthy subjects (24.0±3.5 years, 180.5±6.1 cm, 75.4±11.9 kg) performed a WAnT on ME, and EE 3 days apart. Performance was measured as peak power (PP), minimum power (MP), mean power (AP), time to PP (TTPP), fatigue rate (FR), and maximum cadence (RPM_MAX). Lactic (W _LAC) and alactic (W _PCR) anaerobic energy were calculated from net lactate appearance and the fast component of post-exercise oxygen uptake. Aerobic metabolism (W _AER) was calculated from oxygen uptake during the WAnT. Total energy cost (W _TOT) was calculated as the sum of W _LAC, W _PCR, and W _AER. There was no difference …