An isometric exercise is one which involves using force against a resistant object. Think along the lines of holding a weight in a semi-contracted and motionless state for a period of time, or bending your arm and pressing again a wall or tree. Your muscles are excerting force but the object they are working on is not physically moving. This is ISOMETRICS!

Imagine developing "washboard abs" and never getting out of a chair in doing so. That's right, no lying on the floor or getting on your knees to tone your waist line. Guaranteed!

Imagine strengthening your lower back without having to lift anything. Guaranteed!

Discover what millions have known for over 40 years, the Bullworker will improve your "problem area" and exercise the rest of your body for FREE!

You concentrate on abs, chest, arms, shoulders or wherever you want to improve and the Bullworker will exercise other muscle groups while you are toning and strengthening your "target area."

In the convenience and privacy of your home, you can develop the physique you want with simple exercises, many which may be performed sitting in a chair. Guaranteed!

Dont just take our word for it! With millions of owners across the world the Bullworker Isometric strength and fitness principles are proven to work. Join the Forum and talk to other owners of this world famous 'gym in a box' across the world:  Word of mouth is the best advertising we can wish for.

If you are interested in Body Building, losing weight or simply increasing your strength you may have used a chest expander, resistance bands or multi-gyms at one time or another.

While you can use the Bullworker like a chest expander, you can also contract the Bullworker opening a whole new set of muscles to exercise. It is this contraction that makes the Bullworker such an incredible Body Builder and is the reason why the Bullworker revolutionized the bodybuilding and martial arts industry.

The Bullworker was invented by Gert F. Kölbel. The principle on which these exercises are based is known as Isometric Contraction.  

The Bullworker over the years has been used by Famous Personalities, such as:

The Steelbow has an inter-changeable Spring system allowing you to choose the settings for each program:

* Isometric – the fastest muscle building program you can do.
* Isotonic – When tone and definition are the desired result.
* Iso-Motion® – The ultimate conditioning exercise program. A combination of Isometric, Isotonic and Isokinetic exercise combined with Pilates/Tai Chi style movement; challenging every muscle in motion with positive and negative resistance.