Int J Sports Med 1993; 14(3): 129-133
DOI: 10.1055/s-2007-1021156
© Georg Thieme Verlag Stuttgart · New York

Aerobic Requirement of Bench Stepping

D. Stanforth, P. R. Stanforth, K. S. Velasquez
  • Adult Fitness Program, Department of Kinesiology and Health Education, The University of Texas at Austin
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Publication History

Publication Date:
14 March 2008 (online)

Abstract

The purpose of this study was to: (1) verify the aerobic requirement (AR) of bench stepping (BS); (2) determine the effect of leg length (LL), bench height (BH), stepping rate (SR), body weight (BW), and fat free mass (FFM) on the AR of BS; and (3) compare the HR and V̇O2 of BS with treadmill walking/running (TM). Twenty-eight females completed randomly assigned BS sessions with hands on hips at 30 and 32 step cycles · min-1. Sessions consisted of four 5 min. bouts at BH of 15.2, 30.4, 25.4 and 30.5 cm. A 4 × 2 repeated measures ANOVA determined that V̇O2 was significantly different between each BH and SR (p<0.01) with no significant interaction between BH and SR (p > 0.05). A stepwise multiple regression determined that BH, BW, SR, FFM, and LL significantly affected BS V̇O2 (p<0.05) with BH and BW accounting for 83% of the V̇O2. A series of t-tests found no significant difference (p>0.05) between measured V̇O2 and that predicted by the ACSM equation (1) at 15.2, 20.3 and 25.4cm. Measured V̇O2 was significantly greater than predicted at 30.5 cm (p<0.01). A repeated measures ANCOVA determined that the V̇O2/HR slopes for BS and TM were not parallel (p<0.01). Point testing determined that the HR elicited by TM at a specific V̇O2 was significantly higher than the BS HR until 34 ml · kg-1 · min-1, but the SEE revealed large overlapping of HR. In conclusion, the AR of BS is primarily impacted by BH, BW and SR and is accurately predicted by the ACSM formula at the BH used in most classes; and HR response during BS is similar to that of TM.

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