Table 5.

Stair parameters of different age groups.

	20-39 years (n=14)	40-59 years (n=30)	≥60 years (n=11)
Self-chosen speed
Fmax,rel (N/kg)	1.47 ± 0.10	1.42 ± 0.08	1.42 ± 0.05
ttot (s)	4.14 ± 0.35	4.13 ± 0.36	4.48 ± 0.48#
Pmax,rel (W/kg)	5.98 ± 0.89	5.90 ± 0.72	5.76 ± 0.62
Fast
Fmax,rel (N/kg)	1.54 ± 0.27	1.35 ± 0.16°°	1.34 ± 0.08
ttot (s)	2.96 ± 0.36	3.06 ± 0.25	3.44 ± 0.27**###
Pmax,rel (W/kg)	10.65 ± 4.13	7.42 ± 2.51°°	6.35 ± 1.49**

Note. Mean and Standard Deviations of the stair parameters classified by age. Group differences calculated with the non parametric

Kruskal-Wallis Test and the Mann-Whitney Test.

Abbreviations: F_max,rel: relative maximal force; t_tot: total time; P_max,rel: relative maximal power.

^*p<0.01 significant differences between ≥60 years and 20-39 years.

^#p≤0.05 and

^###p<0.001 significant differences between ≥60 years and 40-59 years.

^°°p<0.01 significant differences between 20-39 years and 40-59 years.