A Rollerball is also known as Powerball or Gyrotwister, and it’s a small device designed to tone up lower arm muscles and improve grip strength. The Poweball is a tennis ball sized plastic shell around a free-spinning smaller ball. Users start the smaller ball spinning with a cord or their thumb, and once the ball [...]
Traditional roller skates have wheels arranged in pairs, two at the front of the boot and two at the back. Inline skates developed in the 1980s as a more realistic substitute for an ice skate, and the wheels are arranged in a straight line down the middle of the sole of the boot. They are [...]
Much of the clothing that was originally designed for sporting use has crossed over into the fashion mainstream, and is especially popular with teenagers. Items such as hooded tops, trainers and t shirts are an essential part of everyone’s wardrobe and the items made by the large companies such as Nike, Puma and Adidas are [...]
In recent years, trampolines have become very popular with all age groups and many families have them in the garden for children to play on. Trampolines for home use are generally round, and consist of a large piece of material stretched over a metal frame and held in place by many strong springs. As the [...]