RTP criteria | MEAN | SD | Coefficient of variation | Percentage agreement | |
1 | Perform maximal sprints | 4.94 | 0.24 | 4.77 | 100.00 |
Assessment | |||||
using wearable GPS technology | 4.72 | 0.57 | 12.17 | 94.44 | |
based on the player's self-reported maximal perceived effort | 4.33 | 0.69 | 15.83 | 88.89 | |
on 10 and 30 meters timed acceleration tests | 4.17 | 0.51 | 12.35 | 94.44 | |
2 | Achieve maximal linear speed | 4.78 | 0.43 | 8.95 | 100.00 |
Assessment | |||||
using wearable GPS technology | 4.72 | 0.46 | 9.76 | 100.00 | |
based on the player's self-reported maximal perceived effort | 4.22 | 0.55 | 12.99 | 94.44 | |
3 | Complete at least one football-specific field testing session at maximal performance and under fatigue conditions | 4.78 | 0.43 | 8.95 | 100.00 |
4 | Perform a progressive running plan with running performance eventually matching preinjury levels | 4.78 | 0.43 | 8.95 | 100.00 |
5 | Player’s self-reported feeling of confidence and readiness to RTP | 4.72 | 0.46 | 9.76 | 100.00 |
6 | Full hamstring muscle strength as compared with the uninjured side and/or to preinjury benchmark values | 4.44 | 0.51 | 11.50 | 100.00 |
7 | Reach GPS-based targets of external load, based on player-specific or position-specific match markers, which include number of sprints, accelerations, decelerations, changes of direction, maximal speed, high-speed running distance | 4.28 | 0.67 | 15.64 | 88.89 |
8 | Recovery of full aerobic and anaerobic fitness performance | 4.28 | 0.75 | 17.58 | 83.33 |
9 | No pain in the muscle | 4.28 | 1.27 | 29.79 | 83.33 |
Assessment | |||||
on functional activities on the field and in particular during maximal sprinting | 4.72 | 0.96 | 20.29 | 94.44 | |
on maximal voluntary contraction | 4.50 | 0.99 | 21.89 | 94.44 | |
on full range flexibility | 4.33 | 0.97 | 22.39 | 94.44 | |
10 | Full muscle flexibility, equal to the uninjured side and/or to preinjury benchmark values | 4.22 | 0.43 | 10.13 | 100.00 |
Assessment | |||||
with AKE (active knee extension) | 4.33 | 0.59 | 13.71 | 94.44 | |
with passive SLR (straight leg raise) | 4.17 | 0.62 | 14.84 | 88.89 | |
with active SLR (straight leg raise) | 4.06 | 0.87 | 21.53 | 77.78 | |
11 | Complete at least two full trainings with the team prior to be available for match selection | 4.17 | 0.79 | 18.86 | 88.89 |
12 | Good lumbopelvic motor control | 4.00 | 0.49 | 12.13 | 88.89 |