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Is Acute Static Stretching Able to Reduce the Time to Exhaustion at Power Output Corresponding to Maximal Oxygen Uptake?

Samogin Lopes, Felipe A1; Menegon, Elton M1; Franchini, Emerson2; Tricoli, Valmor2; de M. Bertuzzi, Rômulo C2

Journal of Strength & Conditioning Research: June 2010 - Volume 24 - Issue 6 - pp 1650-1656
doi: 10.1519/JSC.0b013e3181d32f7b
Original Research

Samogin Lopes, FA, Menegon, EM, Franchini, E, Tricoli, V, and de M. Bertuzzi, RC. Is acute static stretching able to reduce the time to exhaustion at power output corresponding to maximal oxygen uptake? J Strength Cond Res 24(6): 1650-1656, 2010-This study analyzed the effect of an acute static stretching bout on the time to exhaustion (Tlim) at power output corresponding to V̇o2max. Eleven physically active male subjects (age 22.3 ± 2.8 years, V̇o2max 2.7 ± 0.5 L·min−1) completed an incremental cycle ergometer test, 2 muscle strength tests, and 2 maximal tests to exhaustion at power output corresponding to V̇o2max with and without a previous static stretching bout. The Tlim was not significantly affected by the static stretching (164 ± 28 vs. 150 ± 26 seconds with and without stretching, respectively, p = 0.09), but the time to reach V̇o2max (118 ± 22 vs. 102 ± 25 seconds), blood-lactate accumulation immediately after exercise (10.7 ± 2.9 vs. 8.0 ± 1.7 mmol·L−1), and oxygen deficit (2.4 ± 0.9 vs. 2.1 ± 0.7 L) were significantly reduced (p ≤ 0.02). Thus, an acute static stretching bout did not reduce Tlim at power output corresponding to V̇o2max possibly by accelerating aerobic metabolism activation at the beginning of exercise. These results suggest that coaches and practitioners involved with aerobic dependent activities may use static stretching as part of their warm-up routines without fear of diminishing high-intensity aerobic exercise performance.

1Department of Physical Education, Biology and Health Sciences Center, Mackenzie Presbyterian University, São Paulo, Brazil; and 2Department of Sport, School of Physical Education and Sport, University of São Paulo (USP), São Paulo, Brazil

Address correspondence to Rômulo C. de M. Bertuzzi, bertuzzi@usp.br.

© 2010 National Strength and Conditioning Association