Table 4.

Subgroup Sit-to-Stand Normative Data (N = 557)

	Age cohort
Variable	18–29 (n = 80)	50–59 (n = 119)	60–69 (n = 146)	70–79 (n = 124)	80–89 (n = 96)
Average power (W)
Male	529.7 ± 112.1***	599.3 ± 173.3***	515.5 ± 142.3***	445.4 ± 112.0***	318.0 ± 102.4**
Female	435.8 ± 111.5***	411.9 ± 89.1***	384.5 ± 103.8***	314.7 ± 93.9***	245.7 ± 103.1**
Peak power (W)
Male	897.2 ± 186.6***	1,074.1 ± 254.3***	963.1 ± 286.0***	818.9 ± 251.2***	599.6 ± 269.6**
Female	695.0 ± 178.2***	731.7 ± 198.0***	721.0 ± 247.8***	576.7 ± 183.2***	443.0 ± 200.9**
Average velocity (m/s)
Male	0.65 ± 0.14	0.70 ± 0.12	0.66 ± 0.14**	0.53 ± 0.13**	0.37 ± 0.11
Female	0.69 ± 0.14	0.66 ± 0.15	0.58 ± 0.14**	0.45 ± 0.12**	0.37 ± 0.13
Peak velocity (m/s)
Male	1.09 ± 0.20	1.19 ± 0.17**	1.10 ± 0.21***	0.89 ± 0.20**	0.63 ± 0.17
Female	1.10 ± 0.20	1.08 ± 0.23**	0.95 ± 0.22***	0.76 ± 0.19**	0.62 ± 0.21
Relative average power (W/kg)
Male	6.61 ± 1.73	7.20 ± 2.52	6.31 ± 1.39	5.04 ± 1.24	3.61 ± 1.37
Female	6.77 ± 1.35	6.45 ± 1.48	5.63 ± 1.49	4.65 ± 1.37	3.90 ± 1.37
Relative peak power (W/kg)
Male	11.17 ± 2.99	12.92 ± 3.92*	11.81 ± 2.94*	9.23 ± 2.61	6.70 ± 2.93
Female	10.77 ± 2.00	11.44 ± 3.21*	10.58 ± 3.71*	8.50 ± 2.65	7.01 ± 2.67

Note. Data are presented as M ± SD.

Significant differences between sexes are denoted as

^*p < .05

^**p < .01, and

^***p < .001.