Table 1.
Demographic information from the participants who took part in the study.
Fig 1.
Tennis court and instruments distribution.
Table 2.
Correlations between all the variables for all the subjects.
Fig 2.
Pair comparisons between age ranges and expertise levels.
Table 3.
Correlations between all the variables for expert players.
Table 4.
Correlations between all the variables for recreational players.