Lack of flexibility isn’t what makes it hard for 7+ footers to stay healthy, it’s taking one of the largest human bodies ever to exist and then putting it into the abuse of an NBA basketball game several times a week.
Being big itself introduces a ton of complications into your health that a normal sized person doesn’t have to deal with, let alone trying to play a professional sport
Lack of flexibility isn’t what makes it hard for 7+ footers to stay healthy, it’s taking one of the largest human bodies ever to exist and then putting it into the abuse of an NBA basketball game several times a week.
Being big itself introduces a ton of complications into your health that a normal sized person doesn’t have to deal with, let alone trying to play a professional sport