Keyword: "Crunch"

Researching Fitness Center Certification Requirements
By Doyice J. Cotten, January 2009
Your fitness center's certification requirements should go beyond taking an employee's word for it. Research the certifying organization and make a paper trail to help avoid client injury and litigation.

Fitness Q & A
By Matt Brzycki, March 2008
Can omega-3 fatty acids reduce the risk of heart disease? When performing crunches on a stability ball, does the position of the ball affect abdominal activity? Does vitamin C prevent or treat the common cold?