Table 1: Baseline physical characteristics, phase angle, muscle echo intensity, muscle thickness and motor functions in healthy young adults (n = 33).
The stand-up score is represented as median (25,75 percentile). Other values are presented as mean ± SD. a.u.: arbitrary unit.
| Total | Male | Female |
(n = 33) | (n = 12) | (n = 21) |
Age (years) | 22.2 ± 2.2 | 23.5 ± 3.1 | 21.5 ± 0.8 |
Height (cm) | 165.0 ± 7.2 | 171.7 ± 4.2 | 161.1 ± 5.7 |
Weight (kg) | 54.9 ± 8.9 | 62.0 ± 7.8 | 50.8 ± 6.6 |
Body mass index (kg/m2) | 20.0 ± 2.2 | 21.0 ± 2.2 | 19.5 ± 2.1 |
Phase angle (degrees) | 9.0 ± 1.6 | 10.4 ±1.2 | 8.2 ± 1.2 |
Muscle echo intensity (a.u.) | 36.9 ± 16.5 | 25.8 ± 6.3 | 43.2 ± 17.2 |
Muscle thickness (a.u.) | 487.5 ± 98.8 | 518.5 ± 99.3 | 469.7 ± 94.0 |
Maximum torque during isokinetic knee extension at 60˚/s (Nm/kg) | 2.4 ± 0.5 | 2.8 ± 0.2 | 2.0 ± 0.3 |
Usual gait speed (m/s) | 1.4 ± 0.1 | 1.5 ± 0.1 | 1.4 ± 0.1 |
Maximum gait speed (m/s) | 2.2 ± 0.3 | 2.5 ± 0.1 | 1.9 ± 0.1 |
Five chair stands time (s) | 5.2 ± 0.9 | 5.0 ± 0.9 | 5.3 ± 0.9 |
Stand up score (a.u.) | 7 (6, 8) | 8 (8, 8) | 6 (5.5, 7) |