Unlike in a healthy shoulder, where the humerus ends in a ball shape and fits into the shoulder blade to form a shoulder, in reverse shoulder replacement surgery the anatomy is reversed.

CNN: SHARE THIS

Besides, you avoid biting into a chunky piece of dough, as can happen when the dumpling is ball-shape.

WSJ: Babushka's Dacha Dumplings

When they find a pile of droppings, they shape a small ball and start pushing it away to a safe distance where they can eat it, usually underground.

BBC: Dung beetles guided by Milky Way

It was filled with a waxlike substance, the middle of which had a round indentation, in the shape of a small ball.

NEWYORKER: Creation Myth

Shape the dough into a ball.

NPR: Two Centuries of 'Baking in America'

The visitors threatened when Shola Ameobi laid the ball off to Alan Shearer but after he had chested the ball down, Habib Beye blocked the former England captain as he tried to shape up to shoot.

BBC: SPORT | Football | Other European | Newcastle's Euro dream over

The glamorous ball gowns and cocktail dresses as well as natty daywear outfits are displayed on mannequins of varying sizes to reflect the shape of the ideal woman at the time of each design.

BBC: Paris�� rarefied world of haute couture