The Body Bar FLEX 4' supplies a maximum of 10 lbs of resistance when flexed. It is recommended for most users and is by far the most popular model of the Body Bar FLEX bars. This product was featured on CBS's "The Early Show" as one of the best fitness tools to use in the New Year.
Certain abdominal exercises performed with the Body Bar FLEX are covered by US Patent (7,112,166) and with the purchase of each and every Body Bar FLEX, you receive a "non-exclusive license" to practice these "abdominal exercise method". These new and novel methods for strengthening one's abdominal muscles' are state-of-the-art and allow the individual to build strong core muscles using methods that are easy to perform, effective and not available with any other piece of exercise equipment on the market today!