| 1. | Eligibility criteria specified* | 28 | 21.1 | 
| 2. | Random allocation to groups | 89 | 67.6 | 
| 3. | Concealed allocation | 1 | 0.8 | 
| 4. | Groups similar at baseline | 92 | 69.2 | 
| 5. | Blinding of subjects (athletes) | 0 | 0.0 | 
| 6. | Blinding of therapists (training supervisors) | 0 | 0.0 | 
| 7. | Blinding of assessors | 2 | 1.5 | 
| 8. | Adequacy of follow-up | 51 | 38.3 | 
| 9. | Intention-to-treat analysis | 2 | 1.5 | 
| 10. | Between group comparison | 113 | 85.0 | 
| 11. | Point measures and measures of variability | 128 | 96.2 |