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Effect of exercise training on physical fitness in type II diabetes mellitus.
Med Sci Sports Exerc. 2010 Aug; 42(8):1439-47.MS

Abstract

Few studies have compared changes in cardiorespiratory fitness between aerobic training only or in combination with resistance training. In addition, no study to date has compared strength gains between resistance training and combined exercise training in type II diabetes mellitus (T2DM).

PURPOSE

We evaluated the effects of aerobic exercise training (A group), resistance exercise training (R group), combined aerobic and resistance training (A + R group), and sedentary lifestyle (C group) on cardiorespiratory fitness and muscular strength in individuals with T2DM.

METHODS

Two hundred and fifty-one participants in the Diabetes Aerobic and Resistance Exercise trial were randomly allocated to A, R, A + R, or C. Peak oxygen consumption (V O(2peak)), workload, and treadmill time were determined after maximal exercise testing at 0 and 6 months. Muscular strength was measured as the eight-repetition maximum on the leg press, bench press, and seated row. Responses were compared between younger (aged 39-54 yr) and older (aged 55-70 yr) adults and between sexes.

RESULTS

VO(2peak) improved by 1.73 and 1.93 mL O(2)*kg(-1)*min(-1) with A and A + R, respectively, compared with C (P < 0.05). Strength improvements were significant after A + R and R on the leg press (A + R: 48%, R: 65%), bench press (A + R: 38%, R: 57%), and seated row (A + R: 33%, R: 41%; P < 0.05). There was no main effect of age or sex on training performance outcomes. There was, however, a tendency for older participants to increase VO(2peak) more with A + R (+1.5 mL O(2)*kg(-1)*min(-1)) than with A only (+0.7 mL O(2)*kg(-1)*min(-1)).

CONCLUSIONS

Combined training did not provide additional benefits nor did it mitigate improvements in fitness in younger subjects compared with aerobic and resistance training alone. In older subjects, there was a trend to greater aerobic fitness gains with A + R versus A alone.

Authors+Show Affiliations

University of Ottawa, Ontario, Canada.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20639722

Citation

Larose, Joanie, et al. "Effect of Exercise Training On Physical Fitness in Type II Diabetes Mellitus." Medicine and Science in Sports and Exercise, vol. 42, no. 8, 2010, pp. 1439-47.
Larose J, Sigal RJ, Boulé NG, et al. Effect of exercise training on physical fitness in type II diabetes mellitus. Med Sci Sports Exerc. 2010;42(8):1439-47.
Larose, J., Sigal, R. J., Boulé, N. G., Wells, G. A., Prud'homme, D., Fortier, M. S., Reid, R. D., Tulloch, H., Coyle, D., Phillips, P., Jennings, A., Khandwala, F., & Kenny, G. P. (2010). Effect of exercise training on physical fitness in type II diabetes mellitus. Medicine and Science in Sports and Exercise, 42(8), 1439-47. https://doi.org/10.1249/MSS.0b013e3181d322dd
Larose J, et al. Effect of Exercise Training On Physical Fitness in Type II Diabetes Mellitus. Med Sci Sports Exerc. 2010;42(8):1439-47. PubMed PMID: 20639722.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of exercise training on physical fitness in type II diabetes mellitus. AU - Larose,Joanie, AU - Sigal,Ronald J, AU - Boulé,Normand G, AU - Wells,George A, AU - Prud'homme,Denis, AU - Fortier,Michelle S, AU - Reid,Robert D, AU - Tulloch,Heather, AU - Coyle,Douglas, AU - Phillips,Penny, AU - Jennings,Alison, AU - Khandwala,Farah, AU - Kenny,Glen P, PY - 2010/7/20/entrez PY - 2010/7/20/pubmed PY - 2010/11/13/medline SP - 1439 EP - 47 JF - Medicine and science in sports and exercise JO - Med Sci Sports Exerc VL - 42 IS - 8 N2 - UNLABELLED: Few studies have compared changes in cardiorespiratory fitness between aerobic training only or in combination with resistance training. In addition, no study to date has compared strength gains between resistance training and combined exercise training in type II diabetes mellitus (T2DM). PURPOSE: We evaluated the effects of aerobic exercise training (A group), resistance exercise training (R group), combined aerobic and resistance training (A + R group), and sedentary lifestyle (C group) on cardiorespiratory fitness and muscular strength in individuals with T2DM. METHODS: Two hundred and fifty-one participants in the Diabetes Aerobic and Resistance Exercise trial were randomly allocated to A, R, A + R, or C. Peak oxygen consumption (V O(2peak)), workload, and treadmill time were determined after maximal exercise testing at 0 and 6 months. Muscular strength was measured as the eight-repetition maximum on the leg press, bench press, and seated row. Responses were compared between younger (aged 39-54 yr) and older (aged 55-70 yr) adults and between sexes. RESULTS: VO(2peak) improved by 1.73 and 1.93 mL O(2)*kg(-1)*min(-1) with A and A + R, respectively, compared with C (P < 0.05). Strength improvements were significant after A + R and R on the leg press (A + R: 48%, R: 65%), bench press (A + R: 38%, R: 57%), and seated row (A + R: 33%, R: 41%; P < 0.05). There was no main effect of age or sex on training performance outcomes. There was, however, a tendency for older participants to increase VO(2peak) more with A + R (+1.5 mL O(2)*kg(-1)*min(-1)) than with A only (+0.7 mL O(2)*kg(-1)*min(-1)). CONCLUSIONS: Combined training did not provide additional benefits nor did it mitigate improvements in fitness in younger subjects compared with aerobic and resistance training alone. In older subjects, there was a trend to greater aerobic fitness gains with A + R versus A alone. SN - 1530-0315 UR - https://www.unboundmedicine.com/medline/citation/20639722/Effect_of_exercise_training_on_physical_fitness_in_type_II_diabetes_mellitus_ L2 - https://doi.org/10.1249/MSS.0b013e3181d322dd DB - PRIME DP - Unbound Medicine ER -