1.You need to have either a stopwatch or a person timing you.
2.To get a good workout I suggest you go for at least 10 minutes.
3.Check your time. Strive to maintain or improve each time.
There are a great many muscles in your face.(improve on this)
President's Council on Physical Fitness and Sports. 701 Pennsylvania Avenue, NW. Suite 250. Washington D.C. 20004
The President's Challenge. Poplars Research Center, 400 East 7th Street. Bloomington, IN 47405
Hand Drawn Illustrations by Mrs. Terry Burger, Art Teacher, Wyckoff, NJ