Your knees are among the strongest joints in your body, they support your body weight while providing stability as you walk, run, bend, jump and lift. Your knees also allow you the mobility to sit:

Your knees are among the strongest joints in your body, they support your body weight while providing stability as you walk, run, bend, jump and lift. Your knees also allow you the mobility to sit:

Original article and pictures take https://ahealthblog.com site