This is all you need to work ALL your arm muscles at once!
When you use weights, you only work one muscle at a time.
The Gyro Arm Strengthener is designed for a full work out of each of your arm muscles, streamlining your work out and developing your arms for a perfect shape.
The faster you spin it, the more resistance you create.
The Gyro Power Ball is also ideal for rehabilitation strengthening or those who do repetitive jobs.
After a long day on the computer or at the factory, using the Gyro Power Ball for 2-3 minutes several times a day will relieve all your muscle tension and prevent over-use muscle problems.
It is also great for warm-up exercise for sports people, such as golf, tennis, squash, cricket, badminton, baseball, bowling, basketball, racing and outdoor climbing.
Beneficial to many musicians, such as piano, guitar, drummer.