Anne Parr PRO TRAINER

The importance of warm-up:                                         

• increases core or tissue temperature increase oxygen
• dynamically warms up all major muscle groups at the joint
• rehearsal of what the workout phase of the activity or skill required
• functional preparation

Current research focuses on athletic performance as opposed to group fitness classes. 

There is some controversy in areas such as:

• static stretching versus dymanic range of motion (ROM)
• Specific movements or exercises versus general movements
• Physical training versus total-body or holistic exercise (i.e. mind/body/spirit approach)
• here are some good youtube explaination(s)