Once again, 30-day fitness challenges are all the rage on social media. Whether it's a family workout challenge, a flat-abs-in-30-days challenge, or a popular 10-minutes-of-yoga-a-day-for-30-days ...

Challenges vary, focusing on areas like abs, planks, squats, HIIT, or running. You can follow apps or create your plan, adjusting intensity based on your fitness level. Most challenges start slowly, ...