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Number of studies performed in each sport
| Sport performed | Number of studies | Sport performed | Number of studies |
|---|---|---|---|
| Triathlon | 6 | Short distance running | 1 |
| Cycling | 6 | Orienting | 1 |
| Rugby | 4 | Motocross | 1 |
| Middle distance running | 4 | Tennis | 1 |
| Weight-lifting | 3 | Skating | 1 |
| Long distance running | 3 | American Football | 1 |
| Swimming | 3 | Karate | 1 |
| Multiple military activities | 3 | Volleyball | 1 |
| Soccer | 2 | More than one sport | 6 |
| Rowing | 2 | Not specified in manuscript | 1 |
| Skiing | 1 |
