From: The cardiovascular profile of soccer referees: an echocardiographic study
FD Referees | Number/YEAR Mean ± Standard Deviation | Number/WEEK Mean |
---|---|---|
Training sessions | 125 ± 14 | 3.6 |
Aerobic power | 40 ± 6 | 1 |
Strength | 35 ± 9 | 1 |
Speed | 30 ± 7 | 0.9 |
Sprint resistance | 27 ± 5 | 0.8 |