Exercise supports expansion via strengthening bones and muscular tissues; weight-bearing hobbies develop bone density

https://knoxdhve438.capitaljays.com/posts/pediatric-development-milestones-and-growth-when-to-seek-i-grow-clinic-2

Exercise allows increase by strengthening bones and muscles; weight-bearing hobbies escalate bone density, at the same time balanced exercises reduce damage risk in becoming bodies.