Patent ID: 8403818

Claim:
An exercise resistance system comprising: an elastic resistance cord having two ends, a length quick adjustment device comprising a body defining a passageway for receiving the elastic resistance cord, an inclined surface within the body angularly positioned with respect to the passageway, and a ball or cylinder in contact with the inclined surface and the elastic resistance cord and capable of rolling along the inclined surface which is capable of securing the elastic resistance cord by passing the elastic resistance cord through the length quick adjustment device in a linear manner and pulling the elastic resistance cord in one direction and capable of releasing the elastic resistance cord by pulling the elastic resistance cord in the other direction, the length quick adjustment device being capable of attachment to the elastic resistance cord at any point along the length of the elastic resistance cord, a means of attaching the elastic resistance cord to an anchoring structure, and a hand or foot engagement structure, which is connected to the length quick adjustment device, whereby a user may apply force to the hand or foot engagement structure in order to conduct exercises.