In the last issue we presented ways to do the dreaded push-up.
So why not continue with the pain?
This time, it’s all about the sit-up.
Using an exercise ball can make this calisthenic more fun, and can help develop balance, too while strenghtening core muscles and flattening your tummy.
--Lie on the ball, keeping your lower back and upper buttocks on it.
--Link your fingers behind your head, with bent elbows pointing to...