Table 2.
Pearson correlations between rankings, age, maturations, and physical fitness components by sex in junior elite tennis players (n = 92).
Ranking
U13
Ranking
U16
Age
APHV
Upper Body Power
Lower Body Power
Speed
Agility
Boys
Ranking U13
1
Ranking U16
-.113
1
Age
-.203
.129
1
APHV
.062
-.154
-.223
1
Upper Body Power
-.500
*
.145
.183
-.424
*
1
Lower Body Power
.003
.011
.021
-.211
.361
*
1
Speed
.260
-.103
-.083
.372
*
-.522
*
-.576
*
1
Agility
.254
-.109
-.077
.115
-.307
*
-.342
*
.507
*
1
Girls
Ranking U13
1
Ranking U16
.142
1
Age
-.020
.024
1
APHV
.383
*
-.355
*
.136
1
Upper Body Power
-.268
.075
.418
*
-.422
*
1
Lower Body Power
-.323
*
.048
.252
-.130
.428
*
1
Speed
.224
-.022
-.347
*
.268
-.411
*
-.640
*
1
Agility
.263
.133
-.403
*
.002
-.356
*
-.494
*
.649
*
1
* Correlation is significant at the 0.05 level (2-tailed).