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- Title
Effect of carbohydrate ingestion on exercise performance and carbohydrate metabolism in persons with spinal cord injury.
- Authors
Temesi, John; Rooney, Kieron; Raymond, Jacqui; O'Connor, Helen
- Abstract
Carbohydrate ingestion during exercise and as a pre-exercise bolus improves exercise performance in able-bodied athletes. Little is known about the potential for carbohydrate ingestion to improve exercise performance in athletes with spinal cord injury (SCI), nor the potential physiological limitations of such a practice resulting from an SCI. Therefore, this study investigated the effects of carbohydrate ingestion on exercise performance in physically active and athletic persons with SCI. Six participants with complete SCI (neurological level of lesion ranging from C(6) to T(7)) and normal glucose tolerance were studied twice during 60 min of arm cranking at 65% of peak oxygen consumption followed by a 20-min time trial with the ingestion of either a carbohydrate drink (CHO trial: 0.5 g CHO kg(-1) body weight in 500 ml) or placebo (PLA trial) applied in a double-blind counter-balanced manner. The participants with tetraplegia had sufficient neurological function to permit voluntary arm-cranking exercise. There was no difference in time-trial performance between CHO and PLA trials (P > 0.05). The results suggest that carbohydrate ingestion in persons with SCI does not improve exercise performance.
- Subjects
EXERCISE; INGESTION; SPINAL cord injuries; SPORTS injuries; PHYSICAL fitness; WEIGHT gain; ATHLETES; BLOOD sugar; CARBOHYDRATE metabolism; CATECHOLAMINES; CLINICAL trials; CARBOHYDRATE content of food; INSULIN; HEALTH self-care; SELF-evaluation; OXYGEN consumption
- Publication
European Journal of Applied Physiology, 2010, Vol 108, Issue 1, p131
- ISSN
1439-6319
- Publication type
journal article
- DOI
10.1007/s00421-009-1185-4