Table 2.

Pearson’s correlation coefficients r, relative differences, and interclass correlation coefficients ICC for tests run times measured by the FitLight Trainer and IMU device for all four tests and both active legs.

Test	Pearson’s r 1	Relative Difference (%)	ICC	Lower–Upper Bound
Test 1R	0.973	−0.41	0.986	0.974–0.992
Test 2R	0.984	0.36	0.991	0.984–0.995
Test 3R	0.988	−0.06	0.994	0.989–0.997
Test 4R	0.973	0.45	0.985	0.973–0.992
Test 1L	0.940	−0.71	0.967	0.938–0.982
Test 2L	0.971	0.22	0.985	0.973–0.992
Test 3L	0.942	1.16	0.970	0.943–0.984
Test 4L	0.979	0.43	0.989	0.980–0.994

¹p < 0.001.