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Clinical Rehabilitation
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The effect of increasing effort on movement economy during incremental cycling exercise in individuals early after acquired brain injury

Helen Dawes

Oxford Brookes University and Rivermead Rehabilitation Centre (RRC), Oxford, London, UK

A Bateman

J Culpan

Department of Health Sciences, University of East London, London, UK

Oona Scott

School of Health Sciences, University of East London, London, UK

Derick T Wade

The Oxford Centre for Enablement and University of Oxford, London, UK

Neil Roach

Department of Exercise and Sport Science, Manchester Metropolitan University, London, UK

R Greenwood

Regional Neurological Rehabilitation Unit, Homerton Hospital, London, UK

Objective: To investigate the effect of increasing effort on energy cost as measured by oxygen consumption (V.O2) during cycling exercise in individuals early after acquired brain injury (ABI).

Design: An experimental correlation design.

Setting: Specialist neurorehabilitation centre.

Participants: Thirty-eight individuals were recruited early after acquired brain injury. Nine individuals had spasticity; Ashworth Scale >1 in either upper or lower limbs.

Intervention: The V.O2 was measured in relation to workload during a graded exercise test.

Results: The V.O2 increased in a linear fashion with increases in workload in 34 individuals. Only one individual with spasticity demonstrated a nonlinear relationship.

Conclusion: Increasing the workload during cycling exercise does not disproportionately increase energy cost in most individuals with spasticity early after ABI.

Clinical Rehabilitation, Vol. 17, No. 5, 528-534 (2003)
DOI: 10.1191/0269215503cr646oa
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