TABLE 4.
The characteristics of the included studies
| Study | Participants |
Training Program |
Outcome Measure |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identity | Training Experience (years) | Age (years) | Gender | N | Frequency (times/week) | Weeks | Sets | Reps | Intensity (%1RM) | Unilateral Exercises | Bilateral exercises | Performance test | |
| Bogdanis et al.[27] | College students | None | 19.8 ± 2.9 | F/M | 15 | 2 | 6 | 2–3 3–4 |
10 3–8 |
60–90% | 6 Jumps U KE U KF U |
6 Jumps B KE B KF B |
CMJ U CMJ B Iso-LP B MP Iso-LP U MP DJ B |
|
| |||||||||||||
| Gonzalo-Skok et al.[24] | Basketball Players | > 2 | 16.9 ± 2.1 | M | 22 | 2 | 6 | 3 | > 10% MP |
80–100% MP |
Bul squat |
Back squat |
Back squat MP Bul Squat MP CMJ B 25 m Sprint V test 15 m shuttle |
|
| |||||||||||||
| Botton et al.[29] | Healthy active females | None | 24.8 ± 1.4 | F | 43 | 2 | 12 | 2–4 | 5–15 | 5–15 RM |
KE U | KE B | KE B 1RM KE U 1RM Iso-KE B MP Iso-KE U MP |
|
| |||||||||||||
| Makaruk et al.[30] | College students | None | 20.6 ± 1.3 | M | 54 | 2 | 12 | 2–8 | 4–15 | 5 Jumps U | 5 Jumps B | 10 sWingate SJ U SJ B |
|
|
| |||||||||||||
| Ramirez-Campillo et al.[40] | Soccer Players | > 2 | 17.6 ± 0.5 | M | 18 | 2 | 8 | 1–2 3 |
3–5 10 |
70% | 4 Jumps U KE U KF B |
4 jumps B KE B KF B |
KE B 1RM KF B 1RM T test CMJ B CMJ U SJ B SJ U H3J HCMJ H3MJ |
|
| |||||||||||||
| Fisher et al. [32] | Soccer Players | > 2 | 19.8 ± 1.5 | M | 20 | 2 | 6 | 1–3 3 |
6–10 6 |
80% | 5 Jumps U Bul squat |
5 Jumps B Back squat |
T test Illinois test 10 m sprint |
|
| |||||||||||||
| Appleby et al.[26] | Basketball Players | > 2 | 22.4 ± 4.1 | M | 33 | 2 | 6 | 6–8 | 4–8 | 45–85% | Step up | Back squat | Back squat 1RM Step up 1RM 20 m sprint |
|
| |||||||||||||
| Speirs et al.[28] | Rugby Players | > 1 | 18.1 ± 0.5 | M | 18 | 2 | 5 | 4 | 3–6 | > 75% | Bul squat | Back squat | Bul squat 1RM 40 m sprint Pro test |
|
| |||||||||||||
| Krajewski et al.[44] | Healthy active males | no | 26.4 ± 5.5 | M | 15 | 3 | 4 | 3 | 4–6 | 60–90% | Bul squat Deadlift U CMJ U |
Back squat Deadlift CMJ | Back squat 1RM Bul squat 1RM |
|
| |||||||||||||
| Javier Nunez et al.[42] | Healthy active males | - | 22.8 ± 2.9 | M | 27 | 2 | 6 | 4 | 7 | 0.05–0.1 kg/m2 |
ECC lunge | ECC Squat | CMJ 5 m shuttle 5 m 90º 5 m 10 m sprint |
|
| |||||||||||||
| Gonzalo-Skok et al.[41] | Football Players | 1–3 | 20.5 ± 2 | M | 48 | 2 | 8 | 6 | 6–10 | 0.27 kg/m2 |
6 ECC Lunges |
ECC squat | CMJ CMJ U HCMJ U Lateral jump U 25 m sprint 20 m sprint 10 m sprint 10 m shuttle 20 m shuttle 25 m shuttle |
|
| |||||||||||||
| Taniguchi et al.[43] | College students | None | 20 ± 1.1 | F/M | 18 | 3 | 6 | 3 | 6 | KE Isok U | KE Isok B | Isok-KE U Isok-KE B |
|
|
| |||||||||||||
| Stern et al.[25] | Soccer Players | > 2 | 17.6 ± 1.2 | M | 23 | 2 | 6 | 4 4 |
6 3–6 |
75–85% | Bul squat 3 Jumps U | Back squat 3 Jumps B | Back squat 1RM CMJ B CMJ U Broad jump B Broad jump U Drop jump B Drop jump U 10 m sprint 30 m sprint 505 |
|
| |||||||||||||
| McCurdy et al.[31] | College students | None | 20.7 ± 2.6 | F/M | 38 | 2 | 8 | 3 3–6 |
5–15 5–15 |
50–87% | 2 Jumps U Bul squat | 2 Jumps B Back squat | Back squat 1RM Bul squat 1RM CMJ B CMJ U |
F: female; M: male; U: unilateral; B: bilateral; KE: knee extension; KF: knee flexion; Bul squat: Bulgarian split squat; Iso: isometric; Isok: isokinetic; LP: leg press; CMJ: countermovement jump; MP: maximum power; DJ: drop jump; SJ: squat jump; H3J: horizontal 3 jumps; HCMJ: horizontal countermovement jump; ECC: eccentric