A warm-up is an activity or activities, which prepare you both mentally and physically for further more intense activity or training. It should be continuous movement utilizing a variety of movements, which will result in increased heart rate, core temperature, and dynamic range of motion. In a warm-up you basically want to get the entire body warm, loose, and a little sweat on the forehead. You should now be ready mentally and physically to begin an intense training session. The warm-up should increase your productivity in the work out and also reduce your risk of injury.
Functional Warm-Up and Body
Purpose: Body movements, increase blood flow to muscles, joints, raise core temperature, active flexibility, teaching/learning of body awareness and control.