Ditch crunches. Try 6 standing moves that burn more calories, tighten your core, and slim a stubborn belly after 40.
Sit-ups and crunches are two of the most well-known abdominal exercises and often have a permanent place in workout plans. However, there are now many opinions and studies questioning the ...
Skip crunches. Five standing moves burn belly fat, build core strength, and protect your back—designed for 45+.