Table 2 Effects of training on jump height after 8 weeks of study. ANCOVA for repeated measures 4 (group) x 5 (time) after adjustment for weight (kg) and height (cm) was used. Data are expressed as mean (±SD)
Group Time Group x Time
Variable Group Week 0 Week 2 Week 4 Week 6 Week 8 F
P
Eta2
1-B		 F
P
Eta2
1-B		 F
P
Eta2
1-B
SJ (cm) Control
(n=24)		 25.32
(5.03)		 25.57
(4.67)		 26.06
(4.42)		 25.37
(4.77)		 27.47
(4.23)		 (3,92)=8.33
<.001
.214
.991		 (4,368)=5.64
<.001
.058
.979		 (12,368)=8.07
<.001
.208
>.999
G1
(n=27 )		 26.68
(4.41)		 30.88***
(6.15)		 30.73**
(5.66)		 29.56**
(3.66)		 36.30***
(8.42)
G2
(n=23 )		 25.61
(6.20)		 26.23
(2.70)		 26.76
(2.54)		 28.97*
(2.33)		 29.39
(2.83)
G3
(n=24 )		 27.10
(2.24)		 27.70
(2.94)		 29.90**
(1.63)		 30.85***
(1.22)		 31.67**
(1.80)
CMJ (cm) Control (n=24) 29.15
(6.58)		 31.54
(7.66)		 33.40
(5.76		 31.85
(7.11		 30.95
(6.03)		 (3,92)=1.98
.122
.061
.496		 (4,368)=.41
.801
.004
.146		 (12,368)=6.63
<.001
.178
>.999
G1
(n=27 )		 31.33
(5.83)		 35.14
(6.28)		 34.26
(6.70)		 35.42
(6.32)		 37.41**
(7.03)
G2
(n=23 )		 29.13
(5.10)		 28.70
(6.60)		 30.53
(5.49)		 32.72
(4.98)		 33.54
(4.82)
G3
(n=24 )		 28.43
(3.70)		 31.75
(2.73)		 32.03
(2.50)		 34.04
(3.44)		 34.22
(2.36)
DJ (cm) Control (n=24) 44.94
(7.68)		 49.72
(4.22)		 47.78
(4.84)		 48.42
(4.76)		 49.29
(5.05)		 (3,92)=4.96
.005
.128
.869		 (4,368)=1.99
.095
.021
.597		 (12,368)=5.60
<.001
.154
.936
G1
(n=27 )		 48.78
(7.45)		 53.63
(6.80)		 52.38*
(6.72)		 56.88***
(5.95)		 55.12**
(5.73)
G2
(n=23 )		 45.83
(5.55)		 47.94
(4.81)		 50.15
(4.47)		 51.46
(4.51)		 49.73
(4.41)
G3
(n=24 )		 47.61
(4.75)		 50.03
(2.15)		 50.57
(2.27)		 50.44
(2.86)		 50.93
(3.36)
SJ = Squat jump, CMJ = Counter-movement jump, DJ = Drop jump.* p < 0.05** p < 0.01*** p < 0.001 indicate differences between experimental and control groups for the same measure.