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ORIGINAL ARTICLES  EXCERCISE PHYSIOLOGY AND BIOMECHANICS 

The Journal of Sports Medicine and Physical Fitness 2013 April;53(2):146-53

Copyright © 2013 EDIZIONI MINERVA MEDICA

language: English

Metabolic power and cardiovascular response of a low cadence-high height bench stepping exercise in healthy young people

Ramos-Jiménez Arnulfo A. 1, Hernández-Torres R. P. 2, Wall-Medrano A. 1, Cervantes-Borunda M. S. 2

1 Department of Basic Sciences, Biomedical Sciences Institute, Autonomous University of Ciudad Juarez, Ciudad Juárez, México; 2 School of Physical Education and Sport Sciences, Autonomous University of Chihuahua, Ciudad Juárez, Chihuahua, Mexico


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Aim: The aim of this paper was to study the feasibility of bench stepping at a low cadence as a safe exercise that can provide enough cardiovascular fitness that be performed by any person.
Methods: Thirty-three men and twenty-one young women (age =23±3 yrs; weight =70±13 kg; height 170±9 cm) participated in this study. Each one held a continuous 20 minute (4 stages /5 min each) bench stepping workout session with two different step heights (31 and 41 cm) and two different intensities (60 and 90 steps∙min-1). Body weight (bw), total & trochanteric height, heart rate (HR, beats∙min-1), rated perceived exertion (RPE) and O2 consumption (VO2) were recorded.
Results: From the 1st through the 4th stage, the vertical distance (VD, m), RPE, HR and VO2 values were 4.6-9.23 m, 2.5-6.7, 118-168 beats∙min-1 and 20.8-34.0 ml∙kg-1∙min-1, respectively. The best regression model to calculate the O2 consumption (VO2) was: VO2 (L∙min-1) =-1.264+0.026∙bw (kg)+0.195∙VD (m). VD, bw, and gender determined, independently, the changes of caloric expenditure (R2=0.92).
Conclusion: The energy expenditure of a low cadence stepping exercise (15-22 cycles∙min-1) at 31-41 cm bench height, is enough to improve aerobic fitness which in turn may benefit cardiovascular health.

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