From: Visual- spatial capacity: gender and sport differences in young volleyball and tennis athletes and non-athletes
Group
Age (years)
Years of sport activity
Tennis players
12.4 ± 0.7
2,5 ± 0.8
Volleyball players
12.6 ± 0.8
2.4 ± 0.7
Non-sport subjects
12.5 ± 0.8
NA
p-value
0.69