Applied Bionics and Biomechanics / 2019 / Article / Tab 2

Research Article

Relationships between Hamstrings-to-Quadriceps Ratio and Variables Describing Countermovement and Drop Jumps

Table 2

Values of the correlation coefficients between the height of the vertical jump (), relative mechanical power during the take-off phase (), contact time (), amortization time (), take-off time (), and values of the H/Q ratio calculated based on measurements under isometric and isokinetic conditions.

H/Q ratio
Isometric30o/s60o/s90o/s120o/s

CMJ
0.460.490.410.440.62
0.130.240.470.480.42
0.12−0.05−0.3−0.3−0.09
DJ 15
0.370.370.440.470.59
0.190.130.310.30.31
0.150.40.210.160.35
−0.010.290.220.080.17
0.190.350.070.160.25
DJ 30
0.220.230.280.30.48
−0.01−0.250.01−0.090.08
0.310.670.410.450.51
0.140.570.340.320.48
0.370.60.320.370.45
DJ 45
0.060.140.370.330.4
−0.2−0.280.07−0.03−0.15
0.110.260.080.020.28
−0.040.11−0.1−0.190.13
0.140.330.120.170.23
DJ 60
0.010.020.210.20.26
0.02−0.26−0.01−0.040.14
−0.060.380.150.230.09
0.170.080.060.120.34
−0.180.360.130.17−0.06

Statistically significant for .

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