Impact of single and multiple sets of resistance exercise in type 1 diabetes

Turner, Daniel, Luzio, Stephen, Gray, Ben, Dunseath, Gareth, Rees, E. D., Kilduff, Liam, Campbell, Matthew, West, Dan, Bain, Stephen and Bracken, Richard (2015) Impact of single and multiple sets of resistance exercise in type 1 diabetes. Scandinavian Journal of Medicine and Science in Sports, 25 (1). e99-e109. ISSN 0905-7188

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Official URL: http://dx.doi.org/10.1111/sms.12202

Abstract

To examine glycemic and glucoregulatory responses to resistance exercise (RE) sessions of different volume in type 1 diabetes (T1DM). Eight T1DM (seven males: one female; age: 38±6 years, HbA1C: 8.7±1.0%/71±11mmol/mol) attended the research facility fasted and on four separate occasions, having taken their usual basal insulin, but omitted morning rapid-acting insulin. Participants completed a 1SET (14min), 2SET (28min), 3SET (42min) RE session (eight exercises×10 repetitions) at 67±3% one-repetition-maximum followed by 60-min recovery, or a resting trial (CON). Venous blood samples were taken before and after exercise. Data (mean±SEM) were analyzed using repeated-measures analysis of variance (P≤0.05). RE did not induce hypoglycemia (BG<4mmol/L). During recovery, blood glucose (BG) concentrations remained above pre-exercise after 1SET (15-60min, P<0.05) and 2SET (0-60min, P<0.05) but comparable (P>0.05) with pre-exercise after 3SET. BGIAUC(area-under-curve) (mmol/L/60min) was greater after 1SET and 2SET vs CON (1SET 103.6±36.9 and 2SET 128.7±26.1 vs CON -24.3±15.2, P<0.05), but similar between 3SET and CON (3SET 40.7±59.3, P>0.05). Under all trials, plasma creatine kinase levels at 24h post-exercise were similar (P>0.05) to pre-exercise. RE does not induce acute hypoglycemia or damage muscle. BG progressively rose after one and two sets of RE. However, inclusion of a third set attenuated exercise-induced hyperglycemia and returned BG to that of a non-exercise trial.

Item Type: Article
Uncontrolled Keywords: Glucoregulatory, glycemia, insulin, metabolism, muscle damage, strength exercise
Subjects: B900 Others in Subjects allied to Medicine
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Becky Skoyles
Date Deposited: 15 Jan 2015 15:23
Last Modified: 24 Oct 2017 11:40
URI: http://nrl.northumbria.ac.uk/id/eprint/20999

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