20 or just under
Every Olympic diver is a different height . Most of the divers are under 5 feet 8 inches in height. A person over the height of 5 foot 10 inches may have problems may have trouble diving.
To proect their bones from breaking
Divers go in the spa so they don't get cold after each dive.
Its where their batteries go.
The small pool is a hot tub; divers go in to keep their muscles loose.