Table 1.
Basic characteristics of the included studies.
| Study (Year) |
Characteristics of Participants | Intervention | Results | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N (M/F) |
Height (cm) |
Weight (kg) | Age (y) |
Training Experience | Exercise (Experimental Group Equipment) |
Set × Reps | Frequency × Duration = Sessions |
Control Group Intensity | Experimental Group Intensity |
||
| [35] | 12/12 | — | — | 69.8 ± 1.3 | untrained | knee extension (YoYo flywheel device) |
1–4 × 8–12 | 3 × 12 = 36 | 80%1 RM | — | MVC ↑ 8%; PT ↑ 28.0% (*) |
| [36] | 15/0 | 182.8 ± 7.7 | 91.0 ± 13.8 | 39.3 ± 8.6 | untrained | knee extension (YoYo flywheel device) |
4 × 7 | 2–3 × 5 = 12 | 7 RM | 7 RM | Con PP ↑ 9.0%; ECC PP 12.0%; MVC ↑ 11.6% (*) |
| [37] | 17/0 | 185.2 ± 8.1 | 90.0 ± 15.8 | 39.1 ± 6.6 | untrained | knee extension (YoYo flywheel device) |
4 × 7 | 2–3 × 5 = 12 | 7 RM | 7 RM | MVC ↑ 8.1% (*) |
| [38] | 23/0 | 176.8 ± 3.34 | 76.8 ± 7.83 | 22.5 ± 2.5 | RT (physically active males) | front step exercise (inertial flywheel device) |
5–7 × 8 | 3 × 6 = 18 | 8 RM | 8 RM | MVC ↑ 11.0% |
| [39] | 29/0 | 185.0 ± 5.9 | 83.9 ± 3.9 | 21.7 ± 2.7 | WT (professional handball players) | leg-press (YoYo flywheel device) |
4 × 7 | 2–3 × 6 = 15 | 7 RM | 7 RM | CMJ height ↑ 9.8% (*); PP ↑ 12.9% (*); 1 RM ↑ 12.2% |
| [40] | 8/8 | 173.0 ± 13.0 | 79.0 ± 22.0 | 26.0 ± 4.0 | RT (recreationally active individuals) | unilateral knee extension (YoYo flywheel device) |
4 × 7 | 2–3 × 8 = 20 | 8–12 RM | 7 RM | PP ↑ 29.2%; 1 RM ↑ 25.3% |
| [41] | 40/0 | 180.0 ± 11.0 | 77.0 ± 5.0 | 23 ± 4 | WT (Italian fourth-division soccer players) | squat (Desmotec flywheel device) |
4–6 × 8 | 1 × 8 = 8 | 80%1 RM | 8 RM | CMJ height ↑ 10%; BS 1 RM ↑ 7% |
| [42] | 32/0 | 177.6 ± 5.4 | 75.9 ± 7.6 | 21.0 ± 1.4 | RT (amateur soccer student players) | half squat (Desmotec flywheel device) |
3–4 × 5 or 3–6 × 6 | 2 × 8 = 16 | — | 5 or 6 RM | CMJ height↑ 4.0%; 1 RM ↑ 9.7% |
| [43] | 8/0 | 193.5 ± 8.0 | 87.4 ± 11.7 | 21.3 ± 3.5 | WT (professional basketball players) | half squat (inertial flywheel device) |
4–6 × 10 | 1 × 6 = 6 | 14 RM | 10 RM | CMJ height ↑ (*) |
| [44] | 24/0 | 190.6 ± 5.9 | 77.2 ± 7.0 | 17.6 ± 0.6 | RT (junior basketball players) |
half squat, Romanian deadlift (isoinertial flywheel device) | 2–4 × 8 | 1–2 × 8 = 12 | 80%1 RM | 8 RM | CMJ height ↑ 11.7% (*); MVC ↑ 18.7% |
| [45] | 16/0 | — | 93.0 ± 13.1 | 18.0 ± 1.0 | RT (academy rugby union players) |
squat, Romanian deadlift, Bulgarian split squat (kbox flywheel device) | 4–5 × 6 or 8 | 2 × 4 = 8 | 6 RM or 8 RM | 6 RM or 8 RM | CMJ PP ↑ 4.0%; CMJ height ↑ 4.9% |
| [46] | 16/0 | 174.4 ± 7.8 | 64.5 ± 8.6 | 15.5 ± 1.2 | RT (junior tennis players) |
chest press, shoulder press, row, closed stance, and chest crossover (isoinertial flywheel device) | 3 × 6 or 8 | 2 × 8 = 16 | 50–70% 1 RM | RPE 5–7 | CMJ height ↑ 9.7% (*) |
| [47] | 22/0 | 178.0 ± 1.8 | 71.5 ± 6.9 | 21.8 ± 2.7 | WT (elite collegiate long-distance runners) | squat (kbox flywheel device) |
4 × 7 | 3 × 6 = 18 | 85%1 RM | 7 RM | CMJ height ↑ 12.0 (*) |
| [48] | 34/0 | 174.0 ± 7.3 | 70.5 ± 13.3 | 16.0 ± 1.4 | RT (junior handball players) |
lunge, acceleration, squat, single leg hop, and crossover step (isoinertial flywheel device) | 3 × 8 or 12 | 2 × 8 = 16 | RPE 6–9 | RPE 6–9 | UCMJD height ↑ 21.9% |
| [49] | 18/0 | 184.1 ± 9.7 | 78.9 ± 10.0 | 18.6 ± 0.8 | WT (elite hockey players) |
bilateral/unilateral squat, leg curl, and leg press (isoinertial flywheel device) | 3–4 × 6 or 4 × 7 | 1–2 × 8 = 14 | 4–12 RM | 6 or 7 RM | CMJ height ↑ 5.7% |
| [50] | 11/12 | 170.0 ± 2.0 | 73.8 ± 15.9 | 24.15 ± 3.9 | RT (physically active adults) | squat, bench press, deadlift, and row (flywheel training platform) | 3 × 4–12 | 3 × 10 = 30 | — | — | MVIT ↑ 11.4 |
N = number, M = male, F = female, RT = recreationally trained, WT = well-trained, CMJ = countermovement jump, UCMJD = unilateral countermovement jump with dominant leg, PP = peak power, BS = back squat, PT = peak torque, MVC = maximal voluntary contraction, MVIT = Maximal voluntary isometric torque, RM = repetition maximum, RPE = rate of perceived exertion, Con = concentric, and ECC = eccentric, ↑ Statistically significant within-group differences (p < 0.05), * statistically significant difference between EOT and CON groups (p < 0.05).