. 2017 Jun 20;11:30. doi: 10.3389/fnbot.2017.00030

Table 5.

Step length s and knee and hip joint work (positive W⁺ and negative W⁻) fit parameters, goodness-of-it, and statistical significance of trend values.

Parameter	Subject	Coefficient β±CI	Offset α±CI	R²	P
s	S1A	0.4591 ± 0.0301	0.9880 ± 0.0688	0.8203	0.0000^*
	S1B	0.7141 ± 0.0095	1.9007 ± 0.0108	0.9837	0.0000^*
	S2B	0.8152 ± 0.0710	1.7865 ± 0.1234	0.6657	0.0000^*
	S2C	0.8160 ± 0.0455	2.1572 ± 0.0625	0.8932	0.0000^*
	S2D	1.0297 ± 0.0174	2.9703 ± 0.0255	0.9815	0.0000^*
$W_{knee}^{+}$	S1A	−0.0021 ± 0.0052	0.0023 ± 0.0006	0.0032	0.4284
	S1B	0.0138 ± 0.0023	−0.0020 ± 0.0008	0.2722	0.0000^*
	S2B	0.0777 ± 0.0257	−0.0040 ± 0.0046	0.1211	0.0000^*
	S2C	0.0113 ± 0.0082	−0.0005 ± 0.0021	0.0478	0.0068^*
	S2D	0.0129 ± 0.0088	0.0034 ± 0.0022	0.0313	0.0043^*
$W_{knee}^{-}$	S1A	−0.0185 ± 0.0071	−0.0001 ± 0.0008	0.1165	0.0000^*
	S1B	−0.0107 ± 0.0015	−0.0010 ± 0.0005	0.3555	0.0000^*
	S2B	−0.0672 ± 0.0066	0.0090 ± 0.0012	0.6132	0.0000^*
	S2C	−0.0107 ± 0.0093	−0.0041 ± 0.0024	0.0335	0.0241^*
	S2D	−0.0328 ± 0.0030	0.0006 ± 0.0007	0.6483	0.0000^*
$W_{hip}^{+}$	S1A	0.0204 ± 0.0103	0.0083 ± 0.0012	0.0711	0.0001^*
	S1B	0.0339 ± 0.0020	0.0082 ± 0.0007	0.7565	0.0000^*
	S2B	0.3173 ± 0.0483	−0.0288 ± 0.0086	0.3942	0.0000^*
	S2C	0.0851 ± 0.0127	−0.0038 ± 0.0033	0.5399	0.0000^*
	S2D	0.1258 ± 0.0140	0.0081 ± 0.0035	0.5495	0.0000^*
$W_{hip}^{-}$	S1A	−0.0107 ± 0.0031	−0.0000 ± 0.0004	0.1906	0.0000^*
	S1B	−0.0434 ± 0.0014	0.0056 ± 0.0005	0.9140	0.0000^*
	S2B	−0.1088 ± 0.0184	0.0145 ± 0.0033	0.3451	0.0000^*
	S2C	−0.0767 ± 0.0109	0.0108 ± 0.0028	0.5614	0.0000^*
	S2D	−0.1383 ± 0.0087	0.0175 ± 0.0022	0.7912	0.0000^*

Coefficients β and offsets α from linear regression to s = αv^β or W = α + vβ. Significant coefficients are indicated by asterisk if p < 0.05. Coefficients and offsets reported in dimensionless units using base units of body mass M, leg length L, and gravitational acceleration g.