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.
4. Reverse Crunch: With this exercise you can strengthen your lower abdominal muscles. As everyone knows, working on lower abs is the most difficult part of any workout session. So, perform reverse crunches properly and tone your lower ab muscles: Lie straight on the floor and press your lower back to the floor.
The Best Ab Workout, Made Better. The russian twist has always been viewed as a go-to for flat, firm abs. This might not exactly be true â great abs are more of a product of the perfect balance of nutrition, cardio, and strength training â but it is a great move for core strength. Russian Twists are not without faults however. Namely, the move can give undue stress on the neck, back, and spine.