Among all the exercise machines probably the exercise ball is the most un-machined one giving excellent results to the body.
The core exercises doing with this best seller exercise ball helps the body to strengthen all the muscles.
The exercise ball, also named as Swiss ball is a large, heavy-duty inflatable ball with the diameter of 18 to 30 inches.
Using this ball would simply shape the abs and also helps to improve the balance of the body. Doing specific moves, the exercise ball allows improving the exact target muscles.
The features of the ball are stretching muscles, losing weight, improving the core system of the muscles and specific areas, etc.
One of the main advantages of this ball is that it is cost-effective. Also due to its shape and the fact that it is not a machine, it provides wide range of muscle improving moves.
Also it is comfortable and fits the body perfectly regardless of the age, weight, height, etc.
However, it can be a disadvantage for the ones who try improper intermediate moves because it may cause some injuries. A trainer or a DVD completion set explaining the moves and how-to-use might be helpful.
Also, the other disadvantage is that it has not been seen anywhere. They can be found only at sport centers and specific stores.
Source : exercise equipment