The Measurement Method of the Impact Force of Shoulder Tackle and the Influence of the Lower-Extremity Strength on the Impact Force of Shoulder Tackle in Rugby Players

Table 7

Pearson correlation between relative PT of right keen extensors and IF of ST.

Angular velocity: 60°/s	Relative PT of right knee extensors (R)
IF of front ST in a high position	0.654
IF of front ST in a middle position	0.670
IF of front ST in a low position	0.691
IF of reverse ST in a high position	0.554
IF of reverse ST in a middle position	0.574
IF of reverse ST in a low position	0.460

Significantly correlated in the 95% confidence interval (two-tailed test). Significantly correlated in the 99% confidence interval (two-tailed test).