Method and apparatus for abdominal and upper body strength...
Method and apparatus for exercising and strengthening the human
Method for exercising abdominal muscles
Method of using an inflatable exercise belt
Methods and apparatus for testing abdominal strength and...
Multi-function sit-up apparatus
Multi-purpose exercise device
Multi-purpose exerciser
Multifunction exercise device
Multipurpose exerciser
Multipurpose stretching and sporting equipment
Muscle exercise and strengthening device