Table 1.
Age, Gender, Body Composition, Strength, and Physical Function
| Total Group—Pre | Total Group—Post | |
|---|---|---|
| Age | 69.9±1.0 | |
| Gender (females/males) | 14/5 | |
| Height | 162.8±1.6 | |
| Weight | 75.2±3.4 | 73.9±3.4* |
| Body mass index (kg/m2) | 28.0±1.0 | 27.5±1.0* |
| Total lean mass (kg) | 45.4±2.4 | 44.6±2.3* |
| Lean mass lower extremity (kg) | 14.4±0.8 | 14.0±0.8* |
| Total fat mass (kg) | 27.2±2.0 | 27.1±2.0 |
| Body fat (%) | 35.9±1.8 | 36.5±1.7* |
| Muscle quality (nM/kg) | 15.9±1.4 | 14.6±1.0* |
| Muscle attenuation (HU) | n/a | n/a |
| 1 RM knee extension (N) | 85.9±8.0 | 75.2±6.6* |
| Isometric knee extension (N) | 133.6±10.1 | 122.5±8.9* |
| Concentric knee extension (60°; Nm/s) | 115.4±10.4 | 102.7±7.8* |
| Concentric knee extension (180°; Nm/s) | 69.1±6.7 | 54.2±5.0 |
| Stair ascent time (s) | 4.37±0.24 | 5.29±0.38* |
| Stair ascent power (Nm/s) | 302.1±19.5 | 264.8±17.4* |
| Stair descent time (s) | 4.00±0.24 | 4.94±0.41* |
| Stair descent power (Nm/s) | 302.1±19.5 | 292.1±27.8* |
| Maximal VO2 peak (l/min) | 21.5±1.3 | 18.6±1.0* |
| Floor transfer (s) | 6.86±0.72 | 9.68±1.46* |
| Five step test (s) | 9.50±0.47 | 9.58±0.54 |
| Five-minute walk (m) | 438.1±19.1 | 405.5±19.6* |
| Four-meter walk (s) | 2.69±0.24 | 2.70±0.26 |
| Walking speed (m/s) | 1.46±0.06 | 1.35±0.06* |
| Chair stand (s) | 8.41±0.58 | 9.43±0.57* |
Notes: HU = Hounsfield units; RM = repetition maximum. Values are mean ± SEM.
*Denotes significant difference between pre- and postbed rest values (p < .05).