Evolution of Physical Demands of Australian Football League Matches from 2005 to 2017: A Systematic Review and Meta-Regression

Janetzki, Samuel J.; Bourdon, Pitre C.; Norton, Kevin I.; Lane, Jackson C.; Bellenger, Clint R.

doi:10.1186/s40798-021-00301-1

Sports Medicine - Open

Table 3 Data extraction from studies included in meta-regression (data are mean change per year ± 95% CI)

From: Evolution of Physical Demands of Australian Football League Matches from 2005 to 2017: A Systematic Review and Meta-Regression

	Overall (2005–2017)	2005–2007	2007–2010	2010–2012	2012–2015	2012–2017
Total distance (m)
Overall	48 ± 57, p < 0.094	− 111 ± 535, p < 0.670	302 ± 285, p < 0.039	− 293 ± 316, p < 0.068	-	119 ± 141, p < 0.092
Forward	36 ± 95, p < 0.416	− 234 ± 735, p < 0.476	399 ± 364, p < 0.036	− 521 ± 459, p < 0.032	-	240 ± 311, p < 0.111
Nomadic	10 ± 127, p < 0.864	− 299 ± 1020, p < 0.500	353 ± 438, p < 0.097	− 541 ± 579, p < 0.062	-	265 ± 429, p < 0.182
Defender	95 ± 122, p < 0.111	− 274 ± 677, p < 0.370	710 ± 383, p < 0.003	− 686 ± 503, p < 0.015	-	236 ± 338, p < 0.143
Quarter 1	− 7 ± 30, p < 0.616	− 90 ± 202, p < 0.317	− 8 ± 125, p < 0.887	− 56 ± 173, p < 0.457	-	91 ± 125, p < 0.125
Quarter 2	16 ± 25, p < 0.174	− 66 ± 160, p < 0.353	25 ± 96, p < 0.553	− 39 ± 127, p < 0.477	-	106 ± 91, p < 0.029
Quarter 3	− 12 ± 24, p < 0.275	− 83 ± 187, p < 0.321	− 24 ± 114, p < 0.624	6 ± 155, p < 0.924	-	18 ± 111, p < 0.706
Quarter 4	6.0 ± 19, p < 0.494	− 63 ± 122, p < 0.253	0 ± 70, p < 0.989	− 11 ± 88, p < 0.780	-	65 ± 62, p < 0.045
Metres per minute
Overall	0.2 ± 0.7, p < 0.494	6.8 ± 5.8, p < 0.023	2.2 ± 3.1, p < 0.155	− 4.3 ± 3.6, p < 0.022	-	1.0 ± 1.7, p < 0.243
Forward	0.4 ± 0.6, p < 0.185	1.5 ± 4.3, p < 0.477	2.2 ± 1.8, p < 0.021	− 2.8 ± 1.8, p < 0.007	-	0.6 ± 0.8, p < 0.108
Nomadic	0.7 ± 1.4, p < 0.275	2.5 ± 10.9, p < 0.617	2.3 ± 6.8, p < 0.448	− 2.2 ± 9.2, p < 0.615	-	1.0 ± 6.5, p < 0.729
Defender	0.7 ± 1.1, p < 0.211	0.4 ± 7.9, p < 0.912	4.4 ± 4.9, p < 0.072	− 3.6 ± 6.5, p < 0.235	-	0.3 ± 4.8, p < 0.892
Quarter 1	0.7 ± 0.9, p < 0.106	2.3 ± 4.5, p < 0.269	3.2 ± 2.7, p < 0.026	− 3.8 ± 3.5, p < 0.034	-	1.2 ± 2.5, p < 0.300
Quarter 2	1.2 ± 1.2, p < 0.045	2.8 ± 5.8, p < 0.286	5.0 ± 3.50, p < 0.013	− 4.4 ± 4.7, p < 0.063	-	0.9 ± 3.4, p < 0.559
Quarter 3	1.1 ± 1.2, p < 0.071	2.8 ± 5.4, p < 0.246	4.7 ± 3.2, p < 0.011	− 4.4 ± 4.1, p < 0.038	-	0.7 ± 3.0, p < 0.607
Quarter 4	1.4 ± 1.2, p < 0.026	2.8 ± 6.1, p < 0.298	4.8 ± 3.8, p < 0.019	− 3.9 ± 5.0, p < 0.108	-	1.1 ± 3.7, p < 0.481
Total match time (min)
Overall	− 0.15 ± 0.57, p < 0.591	− 6.10 ± 4.47, p < 0.010	0.42 ± 2.37, p < 0.714	1.02 ± 2.71, p < 0.443	-	− 0.41 ± 1.37, p < 0.536
Forward	− 0.15 ± 0.73, p < 0.646	− 2.67 ± 6.77, p < 0.382	0.76 ± 3.53, p < 0.625	− 1.87 ± 4.59, p < 0.365	-	1.34 ± 3.28, p < 0.366
Nomadic	0.02 ± 0.96, p < 0.958	− 4.97 ± 8.83, p < 0.217	1.59 ± 3.78, p < 0.343	− 2.38 ± 4.99, p < 0.286	-	1.63 ± 3.72, p < 0.323
Defender	0.10 ± 0.92, p < 0.799	− 2.94 ± 8.36, p < 0.432	1.61 ± 4.84, p < 0.457	− 1.85 ± 6.49, p < 0.521	-	1.35 ± 4.66, p < 0.513
Time over 18 km·h⁻¹ (min)
Overall	− 0.06 ± 0.11, p < 0.271	0.04 ± 0.31, p < 0.761	0.31 ± 0.17, p < 0.005	− 0.93 ± 0.25, p < 0.001	0.27 ± 0.18, p < 0.008	-
Forward	− 0.06 ± 0.08, p < 0.096	− 0.15 ± 0.53, p < 0.515	0.18 ± 0.26, p < 0.144	− 0.55 ± 0.34, p < 0.007	0.13 ± 0.22, p < 0.196	-
Nomadic	− 0.70 ± 0.12, p < 0.238	− 0.04 ± 0.56, p < 0.845	0.29 ± 0.23, p < 0.020	− 0.84 ± 0.31, p < 0.001	0.26 ± 0.22, p < 0.029	-
Defender	− 0.09 ± 0.15, p < 0.208	− 0.41 ± 0.83, p < 0.273	0.48 ± 0.52, p < 0.062	− 1.09 ± 0.72, p < 0.010	0.29 ± 0.51, p < 0.207	-
Accelerations greater than 4 km·h⁻¹ in 1 s (n)
Overall	− 4.2 ± 13.5, p < 0.498	4.1 ± 35.4, p < 0.788	41.1 ± 22.5, p < 0.004	− 104.4 ± 32.2, p < 0.001	31.6 ± 23.1, p < 0.016	-
Accelerations greater than 10 km·h⁻¹ in 1 s (n)
Overall	− 0.5 ± 1.2, p < 0.335	0.6 ± 3.2, p < 0.658	3.6 ± 2.1, p < 0.005	− 8.3 ± 2.9, p < 0.001	1.0 ± 2.1, p < 0.281	-

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