Table 2. Acceleration and deceleration data for elite junior, elite and sub-elite Australian footballers.

Values are mean (95% CI).

	Youth	Elite Senior	Elite Junior vs Elite (Effect Size d)	Sub-Elite Senior	Elite junior vs Sub-Elite (Effect Size d)
Distance Covered (m·min-2)
High Decelerations	1.16 (1.10–1.22)	1.34 (1.31–1.37)a	0.71	1.14 (1.10–1.18)b	0.05
Moderate Decelerations	3.39 (3.27–3.51)	3.69 (3.63–3.75)a	0.80	3.33 (3.24–3.42)b	0.32
Low Decelerations	7.66 (7.33–7.98)	10.43 (10.26–10.61)a	1.96	8.44 (8.19–8.69)ab	0.90
Low Accelerations	8.80 (8.45–9.16)	11.72 (11.54–11.90)a	1.98	9.86 (9.62–10.11)ab	0.99
Moderate Accelerations	4.12 (3.97–4.27)	4.68 (4.60–4.75)a	0.98	4.18 (4.07–4.28)b	0.42
High Accelerations	1.66 (1.56–1.75)	1.92 (1.87–1.96)a	0.67	1.38 (1.31–1.45)ab	0.43
Time Spent (%·min-2)
High Decelerations	0.86 (0.80–0.93)	1.25 (1.21–1.28)a	1.32	0.86 (0.81–0.92)b	0.17
Moderate Decelerations	2.34 (2.27–2.41)	2.44 (2.40–2.47)a	0.44	2.28 (2.22–2.33)b	0.19
Low Decelerations	5.71 (5.56–5.87)	6.79 (6.70–6.88)a	1.68	6.02 (5.90–6.13)ab	0.89
Low Accelerations	5.65 (5.49–5.82)	6.70 (6.61–6.80)a	1.60	6.12 (5.99–6.23)ab	0.59
Moderate Accelerations	2.56 (2.48–2.64)	2.63 (2.58–2.67)	0.16	2.60 (2.53–2.66)	0.54
High Accelerations	1.27 (1.20–1.35)	1.46 (1.42–1.50)a	0.46	1.12 (1.07–1.18)ab	0.14
Number of Efforts (n·min-2)
High Decelerations	0.55 (0.52–0.58)	0.46 (0.44–0.47)a	0.63	0.52 (0.49–0.54)b	0.38
Moderate Decelerations	1.01 (0.94–1.06)	0.86 (0.83–1.01)a	0.60	0.98 (0.93–1.02)b	0.25
Low Decelerations	2.82 (2.71–2.93)	3.26 (3.19–3.33)ab	1.30	2.95 (2.87–3.02)	0.80
Low Accelerations	2.81 (2.69–2.93)	3.24 (3.16–3.31)a	1.12	3.09 (3.02–3.17)a	0.85
Moderate Accelerations	1.04 (1.01–1.12)	0.95 (0.91–0.99)a	0.35	1.12 (1.07–1.17)a	0.50
High Accelerations	0.49 (0.46–0.52)	0.36 (0.35–0.37)a	1.00	0.38 (0.36–0.40)a	0.58

^a Significantly different to elite junior AFL players (P<0.05).

^b Significantly different to elite AFL players (P<0.05).