As one of the most common chest exercises for men and women, push-ups have become synonymous with working out. Being able to perform a certain amount is the entry standard for various military and sport programs. Most gym users can do repetitions of normal press ups easily. Clearly, an extra challenge is needed.Luckily, the standard push-up (also called a press-up) can be adapted in lots of ways, creating intense chest-boosting workouts that are not for the faint hearted. ~ Berceste