Helena Christensen and Jennifer Aniston's secrets

Work out for 20 minutes a day - research put in to actually shows that it's more achievable and we put more effort into it. Therefore the body uses more strength in to restitute.

You want to borrow my personal trainer? It's awesome for short intens workouts.
http://www.nike.com/nikewomen/features/howitworks?locale=en_US

It's so saving my work out winter!