PURPOSE: To examine the validity of perception-based intensity regulation during handcycling exercise. METHODS: Eight spinal cord-injured (T11 incomplete to T4 complete) participants completed an incremental exercise test followed by a (.)VO2peak test using a sports hand bike. Subsequently, two 20-min exercise tests were completed at an individualized power output (PO) at moderate and vigorous intensities (50% and 70% of (.)VO2peak, respectively). On a separate occasion, participants were instructed to produce and maintain a workload equivalent to the average RPE for the 20-min imposed condition in a counterbalanced order. The (.)VO2 and blood lactate concentration [BLa(-)] were measured every 10 min, and HR and PO were measured at 1-min intervals. RESULTS: There were no differences in average (.)VO2, percent V O2peak, HR, PO, and [BLa(-)] between the imposed PO conditions and RPE-regulated trials of either exercise intensity. Although PO increased slightly during the moderate-intensity RPE-regulated trial (P < 0.04), it remained relatively constant in the vigorous RPE-regulated trial. However, there was a tendency for PO to be slightly higher (P = 0.07) in the vigorous RPE-regulated trial. CONCLUSIONS: These data suggest that RPE is effective in controlling moderate and vigorous intensities throughout a 20-min handcycling exercise session for SCI participants.
PURPOSE: To examine the validity of perception-based intensity regulation during handcycling exercise. METHODS: Eight spinal cord-injured (T11 incomplete to T4 complete) participants completed an incremental exercise test followed by a (.)VO2peak test using a sports hand bike. Subsequently, two 20-min exercise tests were completed at an individualized power output (PO) at moderate and vigorous intensities (50% and 70% of (.)VO2peak, respectively). On a separate occasion, participants were instructed to produce and maintain a workload equivalent to the average RPE for the 20-min imposed condition in a counterbalanced order. The (.)VO2 and blood lactate concentration [BLa(-)] were measured every 10 min, and HR and PO were measured at 1-min intervals. RESULTS: There were no differences in average (.)VO2, percent V O2peak, HR, PO, and [BLa(-)] between the imposed PO conditions and RPE-regulated trials of either exercise intensity. Although PO increased slightly during the moderate-intensity RPE-regulated trial (P < 0.04), it remained relatively constant in the vigorous RPE-regulated trial. However, there was a tendency for PO to be slightly higher (P = 0.07) in the vigorous RPE-regulated trial. CONCLUSIONS: These data suggest that RPE is effective in controlling moderate and vigorous intensities throughout a 20-min handcycling exercise session for SCI participants.
Authors: Thomas A W Paulson; Nicolette C Bishop; Christof A Leicht; Victoria L Goosey-Tolfrey Journal: Eur J Appl Physiol Date: 2012-05-29 Impact factor: 3.078
Authors: M Inglés; P Serra-Añó; J Gambini; F Abu-Sharif; M Dromant; R Garcia-Valles; H Pareja-Galeano; C Garcia-Lucerga; M C Gomez-Cabrera Journal: Spinal Cord Date: 2016-02-16 Impact factor: 2.772
Authors: Florentina J Hettinga; Sonja de Groot; Frank van Dijk; Faes Kerkhof; Ferry Woldring; Luc van der Woude Journal: J Spinal Cord Med Date: 2013-07 Impact factor: 1.985