Extended Knee Control group | Adductor group | Comparison group | ||||
---|---|---|---|---|---|---|
n = 20 coaches | n = 120 players | n = 17 coaches | n = 64 players | n = 24 coaches | n = 105 players | |
Age (years), mean ± SD* | 47.6 ± 9.0 | 19.3 ± 4.3 | 45.9 ± 6.7 | 21.4 ± 6.0 | 41.6 ± 7.9 | 20.5 ± 6.6 |
Sex, n male/female (% male) | 19/1 (95.0) | 28/92 (23.3) | 12/5 (70.6) | 10/54 (15.6) | 19/5 (79.2) | 22/83 (21.0) |
Cumulative utilisation | ||||||
Number of IPEP sessions in total, n | 483 | 4363 | 199 | 1644 | 585 | 3239 |
Training sessions in total, n | 529 | 5451 | 315 | 2616 | 641 | 3836 |
Proportion of training sessions with IPEP (%) | 91.3 | 80.0 | 63.2 | 62.8 | 91.3 | 84.4 |
Utilisation frequency | ||||||
Full season, times/week ± SD | 2.2 ± 0.3 | 1.6 ± 1.2 | 1.3 ± 0.5 | 1.0 ± 0.9 | 2.1 ± 0.4 | 1.4 ± 1.2 |
Pre-season, times/week ± SD | 2.3 ± 0.2 | N/A | 1.7 ± 0.2 | N/A | 1.9 ± 0.3 | N/A |
Competitive season, times/week ± SD | 2.1 ± 0.3 | N/A | 0.7 ± 0.3 | N/A | 2.1 ± 0.4 | N/A |
Duration fidelity† | ||||||
Minutes spent on IPEP each session, mean ± SD | 15.6 ± 4.3 | 16.6 ± 7.0 | 10.1 ± 4.6 | 7.1 ± 3.3 | 15.9 ± 7.2‡ | 14.6 ± 8.8 |
Utilisation fidelity† | ||||||
Mean number of repetitions per exercise | ||||||
1–5 | 6 (30.0) | 12 (10.0) | N/A | 9 (14.3) | 5 (20.8) | 22 (21.0) |
6–10 | 6 (30.0) | 47 (39.2) | N/A | 24 (38.1) | 6 (25.0) | 22 (21.0) |
11–15 | 6 (30.0) | 40 (33.3) | N/A | 23 (36.5) | 5 (20.8) | 27 (25.7) |
16–20 | 1 (5.0) | 11 (9.2) | N/A | 4 (6.3) | 2 (8.3) | 16 (15.2) |
> 20 | 1 (5.0) | 10 (8.3) | N/A | 3 (4.8) | 6 (25.0) | 18 (17.1) |
‘How did you use your programme at training?’ | ||||||
Same exercise(s) throughout the season | 2 (10.0) | 25 (20.8) | 6 (35.3) | 35 (55.6) | 7 (29.2) | N/A |
Different exercises for variation | 18 (90.0) | 93 (77.5) | 5 (29.4) | 14 (22.2) | 13 (54.2) | N/A |
More advanced exercises over time | 6 (30.0) | 18 (15.0) | 8 (47.1) | 15 (23.8) | 4 (16.7) | N/A |
Individual adaptation | 1 (5.0) | 7 (5.8) | 8 (47.1) | 4 (6.3) | 3 (12.5) | N/A |
Exercises without close contact due to COVID-19 | 2 (10.0) | N/A | 0 (0.0) | N/A | 3 (12.5) | N/A |
Replaced or added exercises | 5 (25.0) | N/A | 2 (12.5) | N/A | N/A | N/A |
‘When did you do the exercises?’ | ||||||
Before football training, % of weeks | 6.6 | N/A | 0.0 | N/A | 7.8 | N/A |
As part of the warm-up before football training, % of weeks | 75.6 | N/A | 61.6 | N/A | 70.2 | N/A |
Imbedded in the football training, % of weeks | 12.8 | N/A | 27.7 | N/A | 15.0 | N/A |
After football training, % of weeks | 2.3 | N/A | 0.0 | N/A | 4.1 | N/A |
As part of warm-up before football match, % of weeks | 7.8 | N/A | 0.0 | N/A | 14.7 | N/A |
Other, % of weeks | 15.5 | N/A | 13.6 | N/A | 15.0 | N/A |
‘Where did you do the exercises?’ | ||||||
At football training | N/A | 119 (99.2) | N/A | 61 (96.8) | N/A | 102 (97.1) |
At football matches | N/A | 46 (38.3) | N/A | 0 (0.0) | N/A | 36 (34.3) |
At home | N/A | 14 (11.7) | N/A | 7 (11.1) | N/A | 42 (40.0) |