Sometimes it's fun to create an entire workout composed of old-school movements. Exercises like jogging, squats, pullups and pushups can challenge everyone from the beginner to advanced fitness ...

Ideal for intermediate-level trainers, this workout can also serve as an active recovery session. Estimated calories burned: 300-400+ kcal (individual results may vary).

Calisthenics might bring back memories of 80s leg-warmers, but recently it has exploded on social media as a fitness phenomenon. The hashtag #calisthenics has racked up over 18.5 billion views on ...