Exercise ball a chair because of ergonomic considerations or biomechanical reasons. This large plastic ball, known as a "birth ball", can also be used during labour to aid the descent of the fetal head into the pelvis. Sitting in an upright position will also aid fetal positioning and is more comfortable for the woman. Sitting on the ball with arms placed on a bed, table or otherwise sturdy object for support and gently rocking the hips may help the woman during contractions and aid the natural physiological process of birth. Exercise ball An exercise ball, also known as a Swiss Ball, is
Flash-ball use of "Flash-Ball". Flash-ball Flash-Ball is a registered trademark for a nominally non-lethal hand-held weapon used mainly by law enforcement officers in riot situations as an alternative to lethal firearms, baton rounds, and plastic bullets. It was developed by French hunting firearms manufacturer Verney-Carron. The weapon exists in two versions of caliber 44/83. The super-pro version features vertically stacked barrels and is made from metal alloys, while the compact version is made from lighter composite materials with the twin barrels side by side. Both versions of the weapon can be used to fire a variety of ammunition although a soft