Table 2. Characteristics of the tennis players (n = 161).
Characteristic n (%) Mean ± SD or
Median(min–max)
Age – 22.0 ± 4.1
Male 90 (55.9) –
Female 71 (44.1) –
Height (m) – 1.74 ± 0.09
Weight (kg) – 68.6 ± 10.4
Previous injury
Present 50 (31.1) –
Absent 111 (68.9) –
Tennis experience (years) – 15 (6–31)
Skill level*
Singles ranking – 742 (27–2668)
Doubles ranking – 595 (13–1886)
Match participation
Singles 59 (36.6) –
Singles + doubles 102 (63.4) –
*31 athletes did not have an ITF ranking and were not included in the analysis.