Exercise ball standard exercises, such as a push-up, on an unstable surface can be used to increase activation of core trunk stabilizers and in turn provide increased trunk strength and greater resistance to injury. Fitness Experts and some doctors also recommend sitting on an exercise ball instead of an office chair. That is based on the theory that the abdominal and back muscles are constantly engaged and active to maintain proper posture and balance on the ball. There is no scientific evidence of those benefits occurring by just sitting without additional exercises. However, some people warn against using a Swiss ball as
Rolling ball sculpture are typically made of wood or plastic and feature small, interlocking pieces that can generate a large number of track configurations. More complicated add-ons, such as jumps, loops, trampolines, xylophone ramps and electronic triggers are also typical with more complex sets. Examples of commercial rolling ball sculptures include Spacewarp from Bandai, Techno Ball, and Chaos Machine. Some hobbyists and artists also enjoy making the sculptures themselves using wood, metal, paper or plastic. General sites Specific creators <br> Rolling ball sculpture A rolling ball sculpture (sometimes referred to as a marble run, ball run, gravitram, kugelbahn, or rolling ball machine) is