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Regulating intensity using perceived exertion in spinal cord-injured participants

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dc.contributor.authorGoosey Tolfrey, V.
dc.contributor.authorLenton, J.
dc.contributor.authorGoddard, J.
dc.contributor.authorOldfield, V.
dc.contributor.authorTolfrey, K.
dc.contributor.authorEston, R.
dc.date.issued2010
dc.description.abstractPurpose: 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 V˙O2peak 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 V˙O2peak, 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 V˙O2 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 V˙O2, 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.
dc.identifier.citationMedicine & Science in Sports & Exercise, 2010; 42(3):608-613
dc.identifier.doi10.1249/MSS.0b013e3181b72cbc
dc.identifier.issn0195-9131
dc.identifier.urihttps://hdl.handle.net/1959.8/118093
dc.language.isoen
dc.publisherLippincott Williams and Wilkins
dc.rightsCopyright 2010 by the American College of Sports Medicine
dc.source.urihttps://doi.org/10.1249/MSS.0b013e3181b72cbc
dc.subjectdisability
dc.subjectexercise prescription
dc.subjectHandcycling
dc.subjectHR
dc.titleRegulating intensity using perceived exertion in spinal cord-injured participants
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9915910342401831

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