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 ...

If there is one exercise that manages to tick every fitness box—strength, fat burn, mobility, and endurance—it is the humble squat. Simple, effective, and suitable for almost everyone, squats work ...