Table 1 Concurrent validity of the Gyko inertial sensor system for the assessment of vertical jump height compared to a Kistler force-plate and the Optojump device

 ANOVA

p = 0.002 (d = 1.41)

p = 0.041 (d = 0.94)

 ICC; 2.1 (95 % CI)

0.87 (0.77–0.92)

0.86 (0.77–0.91)

 systematic bias [cm]

−0.66

0.55

 random bias (95 % CI) [cm]

±3.2 (−3.9–2.6)

±3.3 (−2.8–3.9)

 SEM [cm]

0.59

0.64

 ANOVA

p = 0.001 (d = 1.69)

p = 0.163 (d = 0.33)

 ICC; 2.1 (95 % CI)

0.81 (0.66–0.89)

0.82 (0.72–0.89)

 systematic bias [cm]

−0.91

0.39

 random bias (95 % CI) [cm]

±4.0 (−4.9–3.1)

±4.2 (−3.8–4.6)

 SEM [cm]

0.89

0.91