prevention & postrehab b y A n d r e w C l a r k & P e t e r Tw i s t , M S c The Dynamic Warm-Up Structure a warm-up that prepares your clients' minds and muscles for vigorous activity. The next time you are at the gym or on the sidelines at a game, take note of what others around you are doing to prepare themselves for activity. Some people do nothing, simply commencing their activity of choic...