AREAS OF INTEREST: LINE OF PULL, RESISTANCE TRAINING, STRENGTH EXERCISES, GRAVITY TRAINING. by: Tom Seabourne Ph. D Your SportCord is less expensive, less cumbersome, and takes up less space than weights. You can carry it wherever you go, and gravity is unnecessary for its use. As the elastic stretches, the resistance increases. For a resistance exercise to … [Read more...] about SPORTCORD TRAINING; DO IT ANYTIME, ANYWHERE!