From: Changes in the body composition of boys aged 11–18 years due to COVID-19 measures in the Czech Republic
Age (years)
11
12
13
14
15
16
17
18
G1
103
86
121
128
134
144
161
G2
111
66
52
61
62
109
89
Σ
214
152
173
189
183
243
265
250