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
Andrew Ball (Townsville pioneer) when Black asked Ball to explore the country to the north, to find a suitable port at Cleveland Bay from which to handle station produce. Ball, accompanied by Mark Watt Reid and two Aboriginal stockmen, set out in April 1864 and eventually found the mouth of what later was called the Ross River. The site Ball selected for a wharf and port was on Ross Creek, a tributary of Ross River. Lying beneath the huge sandstone outcrop of Castle Hill, the location reminded Ball of Castletown, the capital of the Isle of Man, and that was what he called the