The Development of a Repetition-Load Scheme for the Eccentric- Only Bench Press Exercise

• Authors: Gavin L. Moir , Kyle F. Erny , Shala E. Davis , John J. Guers , Chad A. Witmer
• Languages of publication: EN

Abstracts

EN

The purpose of the present study was to develop a repetition-load scheme for the eccentric-only bench press exercise. Nine resistance trained men (age: 21.6 ± 1.0 years; 1-repetition maximum [RM] bench press: 137.7 ± 30.4 kg) attended four testing sessions during a four week period. During the first session each subject’s 1-RM bench press load utilizing the stretch-shortening cycle was determined. During the remaining sessions they performed eccentric-only repetitions to failure using supra-maximal loads equivalent to 110%, 120% and 130% of their 1-RM value with a constant cadence (30 reps·min-1). Force plates and a three dimensional motion analysis system were used during these final three sessions in order to evaluate kinematic and kinetic variables. More repetitions were completed during the 110% 1-RM condition compared to the 130% 1-RM condition (p=0.01). Mean total work (p=0.046) as well as vertical force (p=0.049), vertical work (p=0.017), and vertical power output (p=0.05) were significantly greater during the 130% 1-RM condition compared to the 110% 1-RM condition. A linear function was fitted to the number of repetitions completed under each load condition that allowed the determination of the maximum number of repetitions that could be completed under other supra-maximal loads. This linear function predicted an eccentric-only 1-RM in the bench press with a load equivalent to 164.8% 1-RM, producing a load of 227.0 ± 50.0 kg. The repetition-load scheme presented here should provide a starting point for researchers to investigate the kinematic, kinetic and metabolic responses to eccentric-only bench press workouts.

Keywords

EN

bench press; eccentric contraction; repetition-load scheme

• Publisher: De Gruyter Open
• Journal: Journal of Human Kinetics
• Year: 2013
• Volume: 38
• Pages: 23-31

Dates

published

1 - 09 - 2013

online

08 - 10 - 2013

Contributors

author

Gavin L. Moir

• Exercise Science Department, East Stroudsburg University, East Stroudsburg, PA, USA

author

Kyle F. Erny

• Exercise Science Department, East Stroudsburg University, East Stroudsburg, PA, USA

author

Shala E. Davis

• Exercise Science Department, East Stroudsburg University, East Stroudsburg, PA, USA

author

John J. Guers

• Exercise Science Department, East Stroudsburg University, East Stroudsburg, PA, USA

author

Chad A. Witmer

• Exercise Science Department, East Stroudsburg University, East Stroudsburg, PA, USA

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Identifiers

DOI

10.2478/hukin-2013-0042