Single-leg cycling increases limb-specific blood flow without concurrent increases in normalised power output when compared with double-leg cycling in healthy middle-aged adults

This study examined the acute performance, cardiovascular and local muscular responses to perceived exertion-based high-intensity interval exercise using either double- or single-leg cycling. Fifteen healthy middle-aged adults completed, on separate occasions, ten 30-s double-leg intervals intersper...

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Bibliographic Details
Published in:European journal of sport science 2020-03, Vol.20 (2), p.202-210
Main Authors: Gordon, Nicole, Abbiss, Chris R., Maiorana, Andrew J., Peiffer, Jeremiah J.
Format: Article
Language:English
Subjects:
cycle
high-intensity exercise
middle-aged
near-infrared spectroscopy
Single-leg cycling
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Summary:This study examined the acute performance, cardiovascular and local muscular responses to perceived exertion-based high-intensity interval exercise using either double- or single-leg cycling. Fifteen healthy middle-aged adults completed, on separate occasions, ten 30-s double-leg intervals interspersed with 60 s passive recovery and twenty (ten with each leg) 30-s single-leg intervals interspersed with 60 s passive recovery. Impedance cardiography, blood pressure, muscle oxygenation and total haemoglobin content (near-infrared spectroscopy), oxygen consumption and power output were measured throughout each session. Normalised to the lean mass used during each trial, single-leg cycling resulted in lower power output (single-leg: 8.92 ± 1.74 W kg −1 and double-leg: 10.41 ± 3.22 W kg −1 ; p 
ISSN:1746-1391
1536-7290
DOI:10.1080/17461391.2019.1617789