Players mimic the actions and gestures of real - life activities allowing them to move their arms, legs or full bodies in natural motions to control the game. (gamefaqs.gamespot.com)
This allows for a more natural motion since your arms aren't locked into a fixed range with the barbell. (onnit.com)
The main feature we would like to mention is that it responds to the movements of the parents natural motions when holding the child. (daddilife.com)