Bring your arms to your sides and root down through the thighs, tops of the knees facing up. (carenbaginski.com)
Why i have this burning sensation on top of my knees? (varietytrainer.com)
As a petite I like right at top of my knee the best, That is not to say i don't wear anything else as I do have some that are slightly longer (bottom of knee) and then again in the spring I do a more bohemian ankle length as well. (40plusstyle.com)