Effects of foot progression angle on knee biomechanics during gait modification

Figures & data

Figure 1. (a) Illustration of augmented-reality gait retraining system. (b) Illustration of FPA variable.

Table 1. Linear regressions for the First KFA peak, the first KAM peak and the First KFM peak.

	First KFA peak		First KAM peak		First KFM peak
	FPA	Accuracy	FPA	Accuracy	FPA	Accuracy
Subject	Coef (°/ °)	(R^2)	Coef (%BW*Ht/°)	(R^2)	Coef (%BW*Ht/°)	(R^2)
1	−0.130***	0.77	0.035***	0.82	−0.001	0.00
2	−0.107*	0.55	0.040**	0.65	0.053	0.43
3	−0.220	0.27	0.003	0.06	−0.051*	0.47
4	−0.055*	0.48	0.005	0.08	0.044*	0.61
5	0.039	0.03	0.041***	0.71	0.057	0.29
6	0.090	0.36	0.020*	0.56	0.048	0.39
7	−0.170**	0.70	0.050***	0.93	0.029	0.32
Average	−0.079	0.45	0.028	0.54	0.026	0.36

* p < 0.0.

** p < 0.01.

*** p < 0.005.

Figure 2. Mean ± standard deviation of the first KFA peak (1st row), first KAM peak (2nd row), and first KFM peak (3rd row) variables divided according to the levels of the instructions of modify gait (foot progression angle).