Table 1. Descriptive statistics of temporal and physical variables. Data are means (±SD).
Variable U19(n = 30) U21(n = 24) Senior(n = 40) Total group(n = 94)
Temporal variables Duration of set (min:sec) 16:19 (02:26) a 18:02 (03:05) 18:52 (02:28) a 18:01 (02:49)
Total rest time (min:sec) 11:38 (01:54) b, c 13:31 (02:46) c 13:46 (02:06) b 13:12 (02:25)
Total work time (min:sec) 04:41 (00:49) 04:55 (00:38) 05:05 (00:35) 04:56 (00:40)
Duration of rallies (min:sec) 00:07 (00:01) 00:07 (00:01) 00:08 (00:01) 00:08 (00:01)
Rest time between rallies (min:sec) 00:21 (00:03) 00:20 (00:02) 00:21 (00:03) 00:21 (00:03)
Number of rallies (points) 35.8 (4.4) 38.1 (4.8) 37.3 (2.8) 37.2 (3.9)
Physical variables Number of jumps done by defender 35.8 (11.0) d, e 41.4 (14.1) e 45.8 (8.1) d, e 41.5 (11.5)
Number of jumps done by blocker 60.0 (18.2) e 64.4 (13.4) e 66.8 (10.3) e 64.0 (14.2)
Total number of jumps 95.8 (19.6) d 105.4 (18.2) 112.6 (11.4) d 105.5 (17.5)
Number of hits done by defender 38.3 (8.7) 43.5 (11.5) 43.3 (7.8) f 41.7 (9.4)
Number of hits done by blocker 39.7 (10.0) 38.9 (10.0) 38.7 (7.8) f 39.1 (9.0)
Total number of hits 78.0 (11.1) 82.4 (11.7) 81.9 (8.2) 80.8 (10.2)
p = 0.004 for differences between U19 and senior
p = 0.006 for differences between U19 and senior
p = 0.030 for differences between U19 and U21
p = 0.001 for differences between U19 and senior
p=0.001 for differences between defender and blocker
p = 0.010 for differences between defender and blocker.