Check out these great articles about exercise bands and tubing training by top functional training experts!

JC Exercise Band Progressions
by Juan Carlos Santana, MEd, CSCS

Includes a pure band / pulley workout that provides exercises to train various body movements.

Training with Bands & Pulleys: Beyond Free Weight
By Juan Carlos Santana, MEd, CSCS

Of all the equipment being used to enhance the specificity of training, one of the most debated is band and pulley training (BPT). This article covers the basic concept behind the use of non-vertical resistance training.

What's Your Vector, Victor?
by Norm Meltzer

Instead of using only exercises whose motion is in direct opposition of the resultant force vector, you should also do some resistance training exercises that try to push or pull you off a straight path.

Five Resistance Training Myths in the Running World, by Eric Cressey, MA, CSCS

To some, resistance training is the Rodney Dangerfield of the running community; it gets no respect.  To others, it’s like Tom Cruise; runners think it might be useful, but it just doesn’t make any sense to them.