She explained: 'From what I see with clients, the "ideal amount by age" is not usually what the average person is able to do. 'Sit ups are a great exercise, but they can cause back and neck ...
Let’s find out. How many calories are burned by doing 100 sit-ups? “The number of calories one can burn is subjective and can vary from person to person. Each one of us has a different body weight and ...