| CON (n = 13) | RA (n = 13) |  | ||||
---|---|---|---|---|---|---|---|
A. Subject characteristics | Mean | SD | Mean | SD | t test | ||
Age (years) | 57 | 15 | 56 | 14 | 0.15 | ||
Height (cm) | 169 | 5 | 167 | 4 | 0.32 | ||
Body mass index (BMI) (kg/m2) | 25 | 5 | 25 | 4 | 0.85 | ||
Blood pressure (mmHg) | 134/81 | 18/8 | 134/80 | 19/10 | 0.94 | ||
Waist/hip ratio | 0.88 | 0.08 | 0.92 | 0.06 | 0.07 | ||
Resting heart rate (HR) (bpm) | 70 | 12 | 65 | 10 | 0.11 | ||
B. Body composition | Mean | SEM | Â | Mean | SEM | Â | t test |
Region % fat (fat %) | 31.0 | 2.9 | 31.3 | 3.0 | 0.90 | ||
Lean body mass (LBM, kg) | 45,2 | 2.1 | 44.5 | 1.3 | 0.65 | ||
Appendicular lean soft tissue (ALST, kg) | 19,5 | 1.1 | 19.0 | 0.6 | 0.60 | ||
Skeletal muscle index (SMI, kg/m2) | 6,8 | 0.3 | 6.8 | 0.2 | 0.54 | ||
Fat-free mass/height2 (FFM/H2) (kg/m2) | 15.8 | 0.6 | 16.0 | 0.4 | 0.34 | ||
C. Strength and exercise | Mean | SEM | n | Mean | SEM | n | t test |
1 repetition maximum (RM) exercised leg (kg) | 38.4 | 3.0 | 13 | 37.6 | 2.5 | 13 | 0.73 |
Total kgs lifted | 252 | 23 | 13 | 262 | 16 | 13 | 0.62 |
1 RM right leg (kg) | 38.8 | 3.0 | 13 | 40.9 | 2.4 | 13 | 0.57 |
Maximal voluntary contraction (MVC) right leg (Nm) | 176.1 | 10.2 | 11 | 179.9 | 16.6 | 8 | 0.71 |
Physical activity | Â | Â | Â | Â | Â | Â | Â |
Physical Activity Scale (metabolic equivalent of tasks (METs)/24Â hrs) | 44.4 | 1.7 | 13 | 39.5 | 1.2 | 13 | 0.026 |