Table 2—

Randomized controlled trials examining the effects of PRT in type 2 diabetes

AuthorSample size and typeTraining intensityTraining frequencyTraining durationEffect on HbA1c (%)Effect on oral glucose tolerance test
Dunstan et al. (51)2750–55% 1RM, two sets for 2 weeks then three sets with 10–15 reps within 30 s, 30 s active restThree times weekly8 weeksCompared with baseline:Decreased glucose AUC
M = 17CWT:Decreased insulin AUC in CWT
F = 10−0.2 ± 0.5 (NS)
CWT = 15CON:P < 0.05 (compared with control subjects)
CON = 12+0.2 ± 0.6 (NS)
Dunstan et al. (49)2975–85% 1RMThree times weekly26 weeksCompared with baseline:Not tested
PRT + WL = 16Three sets of 8–10 repsPRT + WL:
−1.21 ± 1.0
WL = 11(P < 0.01)
WL: −0.4 ± 0.8 (NS)
Castaneda et al. (50)4380% 1RMThree times weekly16 weeksPRT:Not tested
Three sets of eight reps−1.0 ± 1.1 vs.
M = 16CON:
F = 270.4 ± 1.2
PRT = 25(P = 0.0001)
CON = 18
  • AUC, area under the curve; CON, nonexercising control group; WL, moderate weight loss.