Skip to main content
. 2021 Apr 15;16(4):e0249941. doi: 10.1371/journal.pone.0249941

Table 1. Demographic information from the participants who took part in the study.

TENNIS PLAYERS
*Expert #Recreational
N Age Height N Age Height
U12 22 11.84 (1.12) 1.60 (.11) 14 11.58 (.81) 1.59 (.07)
U16 21 14.61 (.91) 1.76 (.04) 19 15.24 (1.32) 1.69 (.05)
+ 18 12 23.00 (6.18) 1.81 (.04) 18 22.67 (1.76) 1.76 (.06)

Data are provided as mean (standard deviation).

*The participants who were considered expert players were those who met the following criteria: i) they had been selected by the Spanish Tennis Federation; ii) they trained at least 4 times per week; iii) they played in national or international competitions.

# The participants who were considered recreational players were those who met the following criteria: i) they trained no more than 2 times per week; ii) they had not taken part in any national or international competition.

U12 = under 12 years old; U16 = under 16 years old; + 18 = older than 18 years old.