. 2021 Oct 6;39(3):765–778. doi: 10.5114/biolsport.2022.107484

TABLE 3.

Characteristics of the included studies and outcomes extracted.

Study	BM	H	SPT	Fitness level^*	Laterality	Freq	Wk	BH	TJ	Comb	PO	TP
Drouzas et al. [58]	Exp^a: 39.3 ± 8.2 Exp^b: 36.1 ± 7.8 ActCon: 38.5 ± 10.6	Exp^a: 142.2 ± 8.7 Exp^b: 139.2 ± 7.0 ActCon: 141.6 ± 10.4	No experience	Moderate	Exp^a: U Exp^b: B	2	10	10–30 cm	60–120	No	Sets and reps	Middle season
Hammami et al. [50]	Exp^d: 59.8 ± 2.8 Exp^e: 60.9 ± 3.4 PassCon: 58.9 ± 3.7	Exp^d: 1.78 ± 0.21 Exp^e: 1.77 ± 0.31 PassCon: 1.78 ± 0.32	2 weeks	High	B&U	2	10	30–40 cm	48–144	No	More reps	January to April
Jlid et al. [47]	Exp: 36.5 ± 5.1 AtcCon: 34.2 ± 3.6	Exp: 1.43 ± 0.10 AtcCon:1.42 ± 0.04	ND	Normal	B&U	2	8	20–30 cm	54–124	No	Sets and reps	March-April
Jlid et al. [59]	Exp: 67.6 ± 5.9 AtcCon: 69.2 ± 5.8	Exp: 1.76 ± 0.05 AtcCon: 1.76 ± 0.06	ND	Moderate	B&U	2	6	30–50 cm	140–216	No	Sets and reps	March-April
Porrati-Paladino et al. [49]	Exp: 61.83 ± 9.17 ActCon: 66.16 ± 15.81	Exp: 23.07 ± 3.41 ActCon: 25.07 ± 5.90	ND	Moderate	B&U	3	6	ND	180	Eccentric; RT; plyometric	Sets and reps	ND
Ramirez-Campillo et al. [57]	Exp^a: 43.5 ± 14.9 Exp^b: 45.0 ± 9.3 Exp^c: 42.2 ± 16.9 PassCon: 41.8 ± 12.7	Exp^a: 146 ± 13.7 Exp^b: 147 ± 11.1 Exp^c: 144 ± 17.5 PassCon: 143 ± 17.7	6 weeks	Normal	Exp^a: B Exp^b: U Exp^c: B&U	2	6	20 cm	120–240	No	Reps	Middle-season
Ramirez-Campillo et al. [24]	Exp^c,h:40.0 ± 5.9 Exp^c,i: 44.6 ± 11.0 Exp^c,j: 40.1 ± 12.8 PassCon: 42.2 ± 16.9	Exp^c,h: 144 Exp^c,i: 150 Exp^c,j: 141 PassCon: 146	6 weeks	Moderate	B&U	3	8	NA	ND	No	No	October – November
Trecoci et al. [43]	All, 48.8 ± 0.40	All, 1.53 ± 0.05	4.56 ± 0.66	Moderate	B&U	3	8	NA	ND	No	No	October – November

BH: box height for plyometric drop jumps (cm); BM: body mass (kg); Comb: combined; F: female; Freq: frequency of training (days/week); H: height of participants (cm); M: male; PO: progressive overload, in the form of either volume (i.e., V), intensity (i.e., I), type of drill (i.e., T), or a combination of these; TJ: total plyometric jumps; TP: training period of the season; Wk: weeks of training.

Fitness level: high, for professional/elite athletes with regular enrollment in national and/or international competitions, highly trained participants with > 10 training hours per week or > 6 training sessions per week and a regularly scheduled official and friendly competitions. Moderate, for non-elite/professional athletes, with a regular attendance in regional and/or national competitions, between 5 and 9.9 training hours per week or 3–5 training sessions per week and a regularly scheduled official and friendly competitions. Normal, for recreational athletes with < 5 training hours per week with sporadic competitions’ participation, and for physically active participants and school-age youths regularly involved in physical education classes;

: bilateral plyometric;

: unilateral plyometric training;

: combined bilateral and unilateral plyometric training group;

: unloaded;

: with load;

: combined agility and plyometric;

: combined balance and plyometric;

: vertical plyometric;

ⁱ

:horizontal plyometric;

: combined vertical and horizontal plyometric;

l: combined strength, balance, agility and plyometric; M: male; F: female; Exp: experimental group; ActCon: active control group; PassCon: passive control group without experimental approach.