William Henry Bill Cosby, Jr. (born July 12, 1937) is an American stand-up comedian, actor, and author. Cosby's start in stand-up comedy began at the hungry i in San Francisco, and was followed by his landing a starring role in the 1960s television show I Spy. He was also a regular on the children's television series The Electric Company during the show's first two seasons.
Crunch on Exercise Ball: This exercise not only build your abs but also promotes balance and stability. Crunch on exercise ball is a highly effective exercise to build upper and middle ab muscles. Check out the proper way to do this exercise: Sit on the ball and keep your feet straight on the floor.
As a result, you could easily make the argument that planks have become the most popular abs exerciseâor maybe the most popular exercise of allâduring the last five years. Planking even became something of a national phenomenon for about 15 minutes.