by Mario Fraioli, Published Oct. 18, 2010, Updated Feb. 1, 2013 at 9:04 AM UTC
This great exercise hits the upper body, engages the core and works the hip flexors.
by Mario Fraioli, Published Oct. 11, 2010, Updated Feb. 1, 2013 at 9:04 AM UTC
Triathlete Chris Lieto uses the TRX Suspension Trainer to demonstrate the hamstring curl, an excellent strength training and
Stay up-to-date on EVERYTHING running – delivered in a format optimized for desktop, tablets and smartphones!
Click to Subscribe
© 2014 Competitor Group Inc. All Rights Reserved