Effects of continuous and interval training on running economy, maximal aerobic speed and gait kinematics in recreational runners

Author Identifier

Robert U Newton

https://orcid.org/0000-0003-0302-6129

Document Type

Journal Article

Publication Title

Journal of Strength and Conditioning Research

Publisher

National Strength and Conditioning Association

School

School of Medical and Health Sciences / Exercise Medicine Research Institute

RAS ID

22303

Comments

González-Mohíno, F., González-Ravé, J. M., Juárez, D., Fernández, F. A., Castellanos, R. B., & Newton, R. U. (2016). Effects of continuous and interval training on running economy, maximal aerobic speed and gait kinematics in recreational runners. Journal of Strength and Conditioning Research, 30(4), 1059-1066. https://doi.org/10.1519/JSC.0000000000001174

Abstract

González-Mohíno, F, González-Ravé, JM, Juárez, D, Fernández, FA, Barragán, R, and Newton, RU. Effects of continuous and interval training on running economy, maximal aerobic speed and gait kinematics in recreational runners. J Strength Cond Res 30(4): 1059–1066, 2016—The purpose of this study was to evaluate the effects on running economy (RE), V[Combining Dot Above]O2max, maximal aerobic speed (MAS), and gait kinematics (step length [SL] and frequency, flight and contact time [CT]) in recreational athletes, with 2 different training methods, Interval and Continuous (CON). Eleven participants were randomly distributed in an interval training group (INT; n = 6) or CON training group (CON; n = 5). Interval training and CON performed 2 different training programs (95–110% and 70–75% of MAS, respectively), which consisted of 3 sessions per week during 6 weeks with the same external workload (%MAS × duration). An incremental test to exhaustion was performed to obtain V[Combining Dot Above]O2max, MAS, RE, and gait variables (high speed camera) before and after the training intervention. There was a significant improvement (p ≤ 0.05) in RE at 60 and 90% of MAS by the CON group; without changes in gait. The INT group significantly increased MAS and higher stride length at 80, 90, and 100% of MAS and lower CT at 100% of MAS. As expected, training adaptations are highly specific to the overload applied with CON producing improvements in RE at lower percentage of MAS whereas INT produces improvements in MAS. The significantly increased stride length and decreased CT for the INT group are an important outcome of favorable changes in running gait.

DOI

10.1519/JSC.0000000000001174

Access Rights

free_to_read

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