Table 1. Characteristics of all subjects according to group allocation. Data expressed as frequency and mean ± standard deviation. ETG CTG CG Gender (F/M) 6/4 4/5 7/3 IPAQ (irregularly active A/B) 4/6 2/7 3/7 Age (years) 62(8) 56(8) 54(6) BMI (kg/m2) 27(3) 29(3) 25(3) 6MWT (%Predicted/ Baseline) 123(11) 112(12) 111(9) ETG: Elastic tubing group; CTG: Conventional training group; CG: Control group; F: female; M: male; IPAQ: International Physical Activity Questionnaire; Irregularly active A/B: A is related to a higher level of physical activity compared to irregularly active B; BMI: body mass index; kg: kilogram; m: meter; cm: centimeters; 6MWT: 6-minute walk test; %Predicted: Percentage of predicted.