Title

Energy Expenditure of Jumping with a Divided Rope With and Without a Weighted Rope Compared to Running

Document Type

Presentation

Journal/Book Title/Conference

USU Student Showcase

Publication Date

4-2014

Faculty Mentor

Edward Heath

Abstract

Researchers have investigated energy expenditure (VO2) of jumping rope and running. No study has examined the VO2 of a divided jumping rope (2 handles with a foot-long rope and a soft ball on the end of each rope) with and without weights. The purpose of this study was to determine VO2 using a divided rope with and without weights, jumping at 125 rpm, and running at 7 mph. Methods: Subjects (N = 22, 11 females, 21.9 ± 3.2 years, 173.4 ± 8.2 cm, 68.3 ± 11.0 kg) had a 2-week familiarization period of rope jumping and jogging for a total of 10 days. By the end of the 2 weeks, all subjects could do 5 min of continuous jumping. VO2, heart rate (HR), and ratings of perceived exertion (RPE) were compared for each of the three conditions: (1) jumping with a divided rope, (2) jumping with a divided weighted rope, and (3) running at 7 mph. The order of testing for the three conditions was randomly assigned. An ANOVA was used to detect differences among conditions (p.05) in HR or RPE across the three conditions. Discussion: The jump rope conditions were similar but both were lower than running at 7 mph. Interestingly, the HR and RPE showed no differences (p > .05) across conditions.

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