JOURNAL OF SPORTS SCIENCE & MEDICINE
http://www.jssm.org
 
Research article
 

EFFECT OF REST INTERVAL LENGTH ON THE VOLUME COMPLETED DURING UPPER BODY RESISTANCE EXERCISE

Humberto Miranda1, Roberto Simão2, Leonardo Marmo Moreira1, Renato Aparecido de Souza1, João Antônio Alves de Souza2, Belmiro Freitas de Salles3 and Jeffrey M. Willardson4

1Institute of Research and Development, Vale do Paraíba University, São José dos Campos, SP, Brazil, 2Universidade Federal do Rio de Janeiro, School of Physical Education and Sports, Rio de Janeiro, RJ, Brazil, 3Laboratory for Research in Microcirculation, Department of Physiological Sciences, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil, 4Department of Kinesiology and Sports Studies, Eastern Illinois University, Charleston, IL, USA

Received   27 April 2009
Accepted   08 June 2009
Published   01 September 2009

© Journal of Sports Science and Medicine (2009) 8, 388 - 392

ABSTRACT  
The purpose of the current study was to compare the workout volume (sets x resistance x repetitions per set) completed during two upper body resistance exercise sessions that incorporated 1 minute versus 3 minute rest intervals between sets and exercises. Twelve trained men completed two experimental sessions that consisted of 5 upper body exercises (i.e. barbell bench press, incline barbell bench press, pec deck flye, barbell lying triceps extension, triceps pushdown) performed for three sets with an 8-RM load. The two experimental sessions differed only in the length of the rest interval between sets and exercises; one session with a 1-minute and the other session with a 3-minute rest interval. The results demonstrated that for each exercise, significantly greater workout volume was completed when resting 3 minutes between sets and exercises (p < 0.05). These results indicate that during a resistance exercise session, if sufficient time is available, resting 3 minutes between sets and exercises allows greater workout volume for the upper body exercises examined.

Key words: Recovery, fatigue, strength, muscle endurance, weight training, strength training.

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