Our patented SprintCords are used on the running treadmill to overload and recruit the hip flexors and quads while sprinting. These resistance bands are different than pulling a parachute or weighted sled because they specifically overload the hip flexors after toe off.
https://accelerationnorth.com/wp-content/uploads/2013/05/sprintCords21.jpg224940Accelerationhttps://accelerationnorth.com/wp-content/uploads/2013/11/AccelerationNorthLogoTag1.jpgAcceleration2013-05-20 20:00:382013-05-20 20:00:38Patented SprintCord and Resistance Cords