Table 4 Differences between U13 and U15 handball players in lower body performance variables

23.6 ± 5.0

33.5 ± 5.9

82.328 (< 0.001)*

1.86 (1.39; 2.32)

4.28 ± 0.63

5.83 ± 0.74

42.184 (< 0.001)*

2.33 (1.83; 2.83)

4.33 ± 0.68

5.81 ± 0.68

39.370 (< 0.001)*

2.15 (1.67; 2.64)

1.97 ± 0.13

1.76 ± 0.08

69.013 (< 0.001)*

− 1.70 (− 2.15; − 1.24)

3.56 ± 0.27

3.13 ± 0.17

5.388 (0.022)*

− 1.75 (− 2.21; − 1.29)

3.00 ± 0.23

2.83 ± 0.13

2.068 (0.153)*

− 0.80 (− 1.22; − 0.39)

1.03 ± 0.22

1.07 ± 0.12

1.163 (0.283)

0.22 (− 0.19; 0.62)

110.9 ± 31.2

143.2 ± 29.7

0.031 (0.577)*

1.05 (0.62; 1.47)

2.6 ± 0.7

3.4 ± 0.7

25.180 (< 0.001)*

1.26 (0.82; 1.69)

109.4 ± 32.5

149.7 ± 38.1

0.035 (0.853)*

1.17 (0.74; 1.60)

2.6 ± 0.8

3.5 ± 0.9

29.602 (< 0.001)*

1.10 (0.67; 1.53)

108.4 ± 31.5

144.2 ± 32.7

0.106 (0.745)*

1.12 (0.69; 1.54)

2.6 ± 0.7

3.4 ± 0.8

33.690 (< 0.001)*

1.14 (0.71; 1.57)

102.5 ± 25.6

144.6 ± 33.3

1.437 (0.233)*

1.50 (1.05; 1.94)

2.4 ± 0.6

3.4 ± 0.8

53.463 (< 0.001)*

1.06 (0.64; 1.49)

1.00 ± 0.19

1.05 ± 0.14

1.653 (0.201)

0.25 (0.16; 0.65)

0.97 ± 0.20

1.01 ± 0.11

0.877 (0.351)

0.20 (0.21; 0.60)