How many crunches you should be able to do at every age — use the ‘football field’ test for motivation
Imagine this: You’ve fallen flat in a field, an entire football team is barreling toward you — and no one’s around to lend a hand. Could you get back on your feet? If the answer is no, it’s time to start adding crunches to your workout routine to give your core the boost it needs. … Read more