Table 1.

Characteristics of the studies included in the review [25, 32, 35, 36, 40–42, 44–63] 

Study	Football code	Playing standard	No. of teams	No. of participants	No. of matches	No. of match files	Age (years)	Sex	Body mass (kg)	Stature (cm)
Akenhead et al. (2013) [40]	Soccer	Professional	1	36	18	Not reported	19.3 ± 0.5	Male	77.9 ± 7.4	183 ± 5
Black et al. (2016) [25]	Australian Football	Professional	1	24	13	163	24.1 ± 3.5	Male	88.5 ± 9.5	187 ± 8
Carling et al. (2017) [54]	Rugby union	International	2	63	10	226	19.8 ± 0.5	Male	99.1 ± 9.1	185 ± 7
Couderc et al. (2017) [41]	Rugby sevens	International	1	12	7	Not reported	26.2 ± 3.7	Male	90.6 ± 12.5	184 ± 9
Cunningham et al. (2018) [55]	Rugby union	International	3	119	36	708	Forwards: 24 ± 4 Backs: 23 ± 4	Not reported	Forwards: 111.3 ± 9.3 Backs: 90.0 ± 8.1	Forwards: 189 ± 7 Backs: 181 ± 6
Delaney et al. (2015) [36]	Rugby league	Professional	1	32	20	297	26 ± 4.8	Male	99.1 ± 9.6	184 ± 6
Delaney et al. (2016) [46]	Rugby league	Professional	1	37	43	612	27 ± 5.1	Male	98.5 ± 8.8	184 ± 5
Delaney et al. (2017) [48]	Rugby union	International	2	67	33	570	27.3 ± 3.1	Not reported	104.7 ± 13.9	187 ± 8
Delaney et al. (2017) [47]	Australian Football	Professional	1	40	30	623	24 ± 3	Male	87.9 ± 5.4	191 ± 4
Delaney et al. (2017) [56]	Soccer	Professional	1	24	40	434	24.4 ± 5.4	Male	75.2 ± 5.8	179 ± 6
Furlan et al. (2015) [51]	Rugby sevens	International	1	12	6	61	21.5 ± 2.9	Male	90.1 ± 8.4	185 ± 60
Grantatelli et al. (2014) [52]	Rugby sevens	Professional	1	9	15	Not reported	25.1 ± 3.1	Male	86.0 ± 9.4	181 ± 4
Hulin and Gabbett (2015) [49]	Rugby league	Semi-professional	4	77	20	200	23.9 ± 3.2	Male	Not reported	Not reported
Hulin et al. (2015) [32]	Rugby league	Professional	2	31	25	200	Not reported	Male	Not reported	Not reported
Kempton et al. (2013) [44]	Rugby league	Professional	1	17	45	118	Senior: 22.3 ± 2.5 Junior: 18.0 ± 1.2	Male	Senior: 86.2 ± 5.8 Junior: 82.6 ± 3.6	Senior: 179 ± 5 Junior: 178 ± 6
		(senior and junior)
Kempton et al. (2015) [50]	Rugby league	Professional	1	18	38	165	24.2 ± 3.6	Male	96.4 ± 7.3	184 ± 6
Malone et al. (2017) [62]	Gaelic Football	Elite amateur	1	32	30	300	24 ± 6	Male	81 ± 7	180 ± 7
Murray and Varley (2015) [35]	Rugby sevens	International	1	17	24	143	Not reported	Male	Not reported	Not reported
Ramos et al. (2017) [57]	Soccer	International	1	12	7	Not reported	18 ± 0.7	Female	62.0 ± 6.2	167 ± 5.8
Read et al. (2018) [58]	Rugby union	Junior elite	7	202	24	472	17.7 ± 0.6	Male	90.8 ± 12.0	183 ± 6
Reardon et al. (2017) [53]	Rugby union	Professional	1	39	17	200	27.2 ± 3.9	Male	99.2 ± 24.4	185 ± 43
Ryan et al. (2018) [59]	Gaelic Football	Elite amateur	1	36	19	154	24 ± 6	Male	81 ± 7	180 ± 7
Ryan et al. (2018) [60]	Gaelic Football	Elite amateur	1	35	19	154	24 ± 6	Male	81 ± 7	180 ± 7
Sparks et al. (2016) [42]	Soccer	Semi-professional	1	10	12	Not reported	22.1 ± 2.5	Male	63.5 ± 9.6	173 ± 8
Trewin et al. (2017) [61]	Soccer	International	1	45	55	606	Not reported	Female	Not reported	Not reported
Varley et al. (2012) [45]	Soccer	Professional	1	19	11	77	Not reported	Male	Not reported	Not reported
Whitehead et al. (2018) [63]	Rugby league	Junior elite and international	1	48	6	102	Club: 15.5 ± 0.7 International: 15.8 ± 0.5	Male	Club: 81.9 ± 12.8 International: 81.1 ± 5.0	Club: 178 ± 6 International: 178 ± 6

Data are expressed as mean ± SD