I am frequently hearing of new research finding how bad situps and crunches are (example). So what is a safe way to exercise the abdominal muscles? For example is doing the plank proven to be a safe ...
I appear skinny but anyone who's seen me without a shirt knows the truth! My chest, arms, and legs all look healthy (as far as I'm concerned) but my stomach is this fatty mess. It's not that I don't ...