Table 2.

Acceleration-based values from the Si-St and St-Si transitions (N=30).

			Mean			Standard deviation
			Frail (n=14)		Fit (n=16)	Frail (n=14)		Fit (n=16)	Ua		P value
Si-St (m/s2)b,c
	x d.acce.maxf	2.004			3.353	0.761		1.475	49.50		.009
	x.acc.ming	-1.443			-3.136	1.211		1.198	30.50		<.001
	y h.acc.max	3.069			6.248	1.240		1.913	15.00		<.001
	y.acc.min	-1.471			-6.182	0.788		2.415	0.000		<.001
	y.acc.mean	0.668			0.018	0.513		0.690	45.00		.005
	RVi.acc.max	7.065			8.972	2.233		2.506	58.00		.025
	RV.acc.mean	2.975			4.215	1.063		0.964	44.00		.005
St-Si (m/s2).
	y.acc.max	3.567			6.200	2.028		1.752	26.50		<.001
	y.acc.min	-2.950			-9.003	2.441		4.334	14.00		<.001
	z j.acc.max	5.830			3.834	2.170		2.682	62.00		.038
	z.acc.min	-3.770			-6.645	1.928		2.374	35.00		<.001
	z.acc.mean	0.874			-1.611	1.672		1.701	36.00		.002
	RV.acc.max	7.213			10.652	2.566		3.501	41.00		.003
	RV.acc.min	0.364			0.808	0.255		0.479	38.00		.002
	RV.acc.mean	3.188		4.263			0.708	1.048	45.00	.005

^aU=U-Mann-Whitney

^bm=meters

^cs=second

^d x=x-axis

^eacc=acceleration

^fmax=maximum

^gmin=minimum

^h y=y-axis

ⁱRV=resultant vector

^j z=z-axis