Table 3.
Effect of speed endurance training (SET) in the late preparation phase or competitive season on selected outcomes in elite football players
| Training regimen | Adaptations | |||||||
|---|---|---|---|---|---|---|---|---|
| Study | Players | Dose | Intensity | Period | When | Mode | Physiological | Performance |
| SET—production training | ||||||||
| Gunnarsson et al. (2012) [115] | 18 Semi-professional |
5–9 × 30 s, 3 min rest 1/wk |
All out | 5 wks | In-season | Drills |
↔ VO2max + 6% RE at 10 km × h−1 (+ 3%) RE at 14 km × h−1 |
+ 11% Yo-Yo IR2 ↔ Agility ↔ 10 & 30 m sprint |
| Iaia et al. (2015) [113] | 6 Elite Youth |
6–8 × 20 s, 2 min rest 3/wk |
All out | 3 wks | End of season | Runs | – |
+ 10% Yo-Yo IR2 + 3% RSA ↔ 200 m run ↔ 20 & 40 m sprint |
| Macpherson and Weston (2015) [116] | 14 Semi-professional |
4–6 × 30 s, 4 min rest 3/wks |
All out | 2 wks | In-season | Runs | + 3% VO2max | + 18% Yo-Yo IR1 |
| Iaia et al. (2017) [112] | 10 Elite Youth |
1–3 sets 6 × 5 s/30 s recovery, 2 min rest 1–2/wk |
All out | 5 wks | In-season | Runs | – |
(+ 6.5%) Yo-Yo IR2 + 3.6% RSA (+ 1.3%) 200 m run + 2.7% 20 m sprint |
| SET—maintenance training | ||||||||
| Ferrari Bravo et al. (2008) [93] | 13 Elite Youth & first team |
3 sets 6 × 40 -m sprints/20 s recovery, 4 min rest 2/wk |
All out | 7 wks | In-season | Runs | + 5% VO2max |
+ 28% Yo-Yo IR1 + 2.1% RSA ↔ 10 m sprint |
| Wells et al. (2014) [46] | 8 Elite |
2 sets 2–4 × 60 s, 2 min rest 2 sets 3–5 × 35 s, 2 min rest 2 sets 5–7 × 10 s, 2 min rest 3/wk |
All out | 6 wks | In-season | Runs |
↔ VO2max ↔ VO2-kinetics + 9% Anaerobic power |
+ 13% Yo-Yo IR2 |
| Iaia et al. (2015) [113] | 7 Elite Youth |
6–8 × 20 s, 40 s rest 3/wk |
All out | 3 wks | End of season | Runs | – |
+ 4% Yo-Yo IR2 ↔ RSA + 2% 200 m run ↔ 20 & 40 m sprint |
| Nyberg et al. (2016) [114] | 16 Semi-professional |
2–3 sets 8–10 × 5 s/10 s recovery, 3 min rest 1–2/wk |
All out | 9 wks | In-season | Runs |
+ 2% RE at 10 km × h−1 ↔ RE at 16 km × h−1 + 11% VO2-kinetics |
+ 12% Yo-Yo IR1 |
| Iaia et al. (2017) [112] | 9 Elite Youth |
1–3 sets 6 × 5 s/15 s recovery, 2 min rest 1–2/wk |
All out | 5 wks | In-season | Runs | – |
+ 11% Yo-Yo IR2 + 2.6% RSA + 2.0% 200 m run (+ 1.5%) 20 m sprint |
HRmax maximum heart rate, RE running economy, RSA repeated sprint ability, SSG small-sided games, VO2max maximal oxygen consumption, vVO2max velocity eliciting VO2max, Yo-Yo IR1/2 Yo-Yo intermittent recovery test level 1 or 2
+ denotes a beneficial effect, and if in parentheses, then the effect was not clear (i.e., p > 0.05)