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- W2807068488 abstract "Electromagnetically braked cycle ergometers (CE) have been the standard modality for maximal anaerobic power (AP) testing in applied research settings; however, modern non-motorized treadmill (NMT) ergometers may prove a viable alternative for testing. PURPOSE: To compare performance markers derived from a 30-s maximal sprint on CE and NMT under optimized loads METHODS: Recreationally active men (n = 5; 24.8 ± 4.4 yrs) and women (n = 6; 21.3 ± 3.4 yrs) volunteered for the study. First visit consisted of a force-velocity-power test on the CE and NMT to determine optimal resistance for peak power production. Remaining two visits were performed in a randomized crossover order, consisting of a single 30-s maximal AP test on the CE or NMT. Peak power (PP), mean power (MP), minimal power (Pmin), and fatigue index (FI) were averaged over three revolutions on the CE and three strides on the NMT. Rating of perceived exertion (RPE), maximal heart rate (HRmax) and blood lactate concentration (BLa) were collected as a measure of intensity. All markers were analyzed using paired samples t-tests and Pearson product correlation coefficients. RESULTS: PP, MP and Pmin were higher (P < 0.001) on NMT (924.44 ± 297.72 W, 636.90 ± 309.55 W and 364.34 ± 123.20 W, respectively) than CE (501.90 ± 154.20 W, 309.55 ± 115.28 W and 178.11 ± 58.93 W, respectively). Significant correlation was found between PP (r = 0.938, p < 0.001), relative PP (r = 0.871, p < 0.001), MP (r = 0.859, p = 0.001), relative MP (r = 0.721, p = 0.012), Pmin (r = 0.824, p = 0.02) and relative Pmin (r = 0.779, p = 0.05). FI was not significantly different on the NMT = 59.9 ± 9.6% compared to the CE = 63.9 ± 6.7%, p = 0.172, although they were not significantly correlated, p > 0.05. HRmax was higher on the NMT than CE (184.1 ± 11.0 bpm and 177.7 ± 11.0 bpm, p = 0.001, respectively). BLa (NMT = 11.6 ± 2.5 mmol/l; CE = 10.4 ± 2.4 mmol/l) and RPE (NMT = 17.6; CE = 17.1), (p > 0.05), were not significantly different. Optimal braking force on the NMT was 20.8 ± 4.3% for males and 14.5 ± 1.9% for females. Optimal torque factor on the CE was 0.76 ± 0.25 Nm/kg for males and 0.52 ± 0.08 Nm/kg for females. CONCLUSION: There is a strong relationship between CE and NMT in assessing AP at optimized loads, however higher power output and maximal heart rates were observed on a NMT. Further research is necessary to clarify FI relationship." @default.
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- W2807068488 date "2018-05-01" @default.
- W2807068488 modified "2023-10-12" @default.
- W2807068488 title "Comparison of Anaerobic Power Tests During Cycle and Non-Motorized Treadmill Ergometry at Optimized Loads." @default.
- W2807068488 doi "https://doi.org/10.1249/01.mss.0000536435.58284.16" @default.
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