Isometric exercise is a fundamental part of Martial Art training. this device is the ultimate isometric trainer for the whole body... http://www.bullworker.ws
When you just can't make it to the gym, try this, it is a great tool to have as a backup!
http://www.bullworker.ws/wsnF9E6.html
Only the Power Lifters could do this!
Many people think of it as a gimmick, but it is probably the best portable gym ever made.
Here is a Training Site with many links...
For Definition, do reps
For Popeye strength, do it once!
http://bullworker.ws
Ladies, this device seems to do it all. This is a Training Tip site that has several links and pages to it.
http://www.e-exercise.ws/wsn88AD.html
If your on the go and still want that fitness look... check it out!