By Cielestia Calbay, Published Jul. 8, 2011
Strengthen, tone and firm your ab muscles without lifting a finger. Developers for The Slendertone believe sending electric currents to your abdominal muscles will make them contract so in theory, contractions equal toned muscles.
Start your FREE subscription to Competitor Digital today!
Get our monthly digital magazine, weekly running content & exclusive offers delivered to your inbox.
© 2014 Competitor Group Inc. All Rights Reserved