Many of us have been exercising from home for — checks watch — years because of the Covid pandemic. And although some have cautiously returned to the gym, others may not feel comfortable enough to do ...

Back straight, head up, hands shoulder-width apart, toes taut, chin to floor -- then push up. You don’t have to do a world record 1,033 push-ups in 23 minutes, as Jack LaLanne did in 1956 -- or 10,507 ...