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Improving the Muscle Strength of The Lower Limbs in Junior Tennis

Table 2: The results of the initial - final test and the dynamics of the evolution at TWO-LEG JUMPING TEST - 15 SEC. - JUMPS

Indicatorii statistici RSI (m/s) Jumping Point (cm) Jumping Point Gap (cm) Used Area (cm)
TI TF TI TF TI TF TI TF
Min 0,21 0,45 -32,2 -12,7 -2,5 -1,7 25 22,7
Max 1,17 1,97 -1,8 -0,7 0,7 1,9 29,8 28,8
X 0,628 0,89 -14,232 -3,333 -1,377 -0,4 27,9 25,011
S 0,278 0,468 9,398 6,496 1,195 1 1,446 2,700
CV 44,267% 52,584% 66,034% 50,750% 66,782% 25,456% 5,182% 10,795%
The difference in averages 0,262 17,565 1,777 2,889
Value of "t" 2,447 4,612 3,430 2,810
The value of "t" in Fisher's table 2,365 4,317 3,499 2,365
Significance threshold Significance <0,05 Significance <0,005 Significance <0,01 Significance <0,05
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