: There's nothing — if you try to go straight knee over your toe, you're gonna land. (justinhealth.com)
If you find this exercise a little too challenging, try regular straight knee ins on the Bosu Ball. (ab-core-and-stomach-exercises.com)
We saw a lot of yellow, green, brown and black with white checkered jackets, straight knee long skirts and crop tops. (thirteentalesoffashion.blogspot.ru)