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Park, B-S, Khamoui, AV, Brown, LE, Kim, D-Y, Han, K-A, Min, K-W, and An, G-H. Effects of elastic band resistance training on glucose control, body composition, and physical function in women with short- vs. long-duration type-2 diabetes. J Strength Cond Res 30(6): 1688-1699, 2016-This study examined whether the existing duration of type-2 diabetes influenced patient responses to progressive resistance training. Twenty-six women with type-2 diabetes were stratified into short- (3 /- 2 years; n = 12) or long-standing (10 /- 3 years; n = 14) disease groups. Patients participated in a high daily or high weekly frequency elastic band resistance training program that consisted of 2 daily sessions, 5 d[middle dot]wk-1 for 12 weeks. Glucose control, body composition, and physical function were evaluated pre- and posttraining. No significant diabetes duration x training interactions were detected for blood markers of glucose control (p > 0.05); however, there were significant main effects of training driven by comparable improvements in both cohorts (hemoglobin A1c, -13 to 18%; fasting glucose, -23 to 31%; postprandial glucose, -36 to 40%; insulin, -34 to 40%; C-peptide, -38 to 51%; p <= 0.05). Anthropometrics and body composition were also favorably modified in both the groups after training (weight, -5 to 9%; body mass index, -6 to 9%; waist-to-hip ratio, -3 to 5%; percent fat, -14 to 20%; p <= 0.05). Likewise, indices of physical function improved in both the groups after training (bicep curl repetitions, 15-33%; sit-and-stand repetitions, 45-47%; p <= 0.05). A few exceptions were noted in which patients with long-standing disease demonstrated greater pre-to-post gains (p <= 0.05) in grip strength ( 11-13%) and peak exercise time ( 19%) and load ( 21%) during graded exercise, whereas those with shorter disease duration did not. Overall, these data suggest that patients with a long history of diabetes respond positively to resistance training and in a manner comparable to their recently diagnosed counterparts. Therefore, current inactivity in patients with long-standing disease should not deter from beginning an exercise program.

Copyright (C) 2016 by the National Strength & Conditioning Association.