The BOSU Balance Trainer

by doctorjeal
0 comment 4 minutes read

The BOSU Balance Trainer was first introduced into the fitness industry in the year 2000, invented by David Weck creating huge excitement and interest from the fitness industry, the product became one of the most successful fitness training products in the world. The product came about after David was experiencing the chronic back pain of which sometimes was debilitating, David was looking for a solution and came up with the dome-shaped training aid known today as the BOSU® Balance Trainer that enabled him to eliminate his lower back pain and see improvements in both his physical and mental well-being.

The name BOSU® originally an acronym for ‘Both Sides Up’ because of the fact that anyone could use the BOSU® Balance Trainer on either of its sides, the flat side and the dome-shaped side. The product has since evolved to form an integral part of its exercise environment and training methods and is now more common to hear the acronym ‘Both Sides Utilized’. This goes beyond the realms of the product and into the world of fitness breaking through traditional training boundaries to become a form of functional training in its own right. This is perfectly depicted in the quote below from the official BOSU® Fitness website (;

“BOSU® – “Both Sides Utilized” – is how the human body is designed to move and function most efficiently. Alternating Bilateral Coordination of both sides of the body is the common thread in Crawling, Walking, and Running (fundamental to humanity). The hips, legs & feet work opposite the shoulders, arms & hands in a balanced “equal and opposite” relationship.”

BOSU® Fitness website (

The BOSU Balance Trainer

Effectively and simply the BOSU® Balance Trainer is a Fitness Ball cut in half and glued to a round piece of plastic but scientifically it is much more, much more indeed. The BOSU® is constructed from high durability materials featuring a rubber dome bladder with a weight of 8 pounds, and a dually over-moulded platform for extra strength. It has a smooth, non-skid, and non-marking base.

You can pick one of these up online from £80-£130 depending on the model, be warned, there are cheaper alternatives on the market. We’re not saying they are not as good as a BOSU, they are just not what our trainers choose to use. 

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