Table 1: Group data (n = 19).

Parameters Unit Mean ± inter-subject variability
Anthropometric/Educational data Age yrs 84.1 ± 4.6
Height m 1.46 ± 0.08
Body mass kg 49.6 ± 8.6
BMI Unitless 23.2 ± 3.5
Education yrs. 9.5 ± 2.8
Simple assessments Grip (right) kg 17.0 ± 3.6
Grip (left) kg 15.9 ± 3.1
Single leg standing (right) s 12.8 ± 29.1
Single leg standing (left) s 11.3 ± 24.1
Sit-and-reach cm 27.6 ± 9.9
Cognitive functions MMSE Unitess 23.7 ± 4.1
TMT-A (step) s 271.8 ± 156.3
Posture Head forward angle º 12.4 ± 12.4
Back symmetry º 4.4 ± 4.8
Locomotive functions Step length (mean) m 0.08 ± 0.03
Step length (SD) m 0.03 ± 0.01
Step length (SI) % 13.3 ± 62.2
Step width (mean) m 0.10 ± 0.02
Step width (SD) m 0.01 ± 0.01
Step width (SI) % 0.12 ± 3.74
Double support time (mean) s 0.25 ± 0.13
Double support time (SD) s 0.12 ± 0.08
Double support time (SI) % -13.0 ± 37.5
MFC (mean) cm 3.86 ± 0.88
MFC (SD) cm 0.94 ± 0.64
MFC (SI) % 19.59 ± 29.19