Given names often turned into family names when people were identified by their father's name. For example, the first name Ahrend developed into the family name Ahrends by adding a genitive s-ending, as in Ahrend's son. Examples: Ahrends, Burkhard, Wulff, Friedrich, Benz.
So accordingly. 1  some crouching positions are squats. 2  some crouching positions may not be squats. 3  squatting is not implicity crouching.  squatting and crouching are terms with different but overlapping definitions, the former more specific to posture, the latter to 1  motivation. squat is not a synonym for crouch.
Photo Credit Ibrakovic/iStock/Getty Images. The squat is a classic, multi-joint exercise that targets a variety of muscle groups throughout your body, emphasizing those that extend your hip and knee joints.