For example, doing multiple sets of a chest exercise paired with sets of a back exercise shuttles blood back and forth ...

And this short, high-intensity workout by certified fitness trainer Anna Engelschall, who runs the YouTube channel Growing ...

Hang from elbow straps or hold yourself up on parallel bars. Cinching in through your abs, draw your knees up toward chest, ...

This 20-minute workout from Schwarzenegger will build muscle, strength and endurance. Plus, it can be completed with barbells ...

You can build a comprehensive kettlebell training programme on just three foundational exercises; the kettlebell swing, the goblet squat and the press-up (John usually lists the Turkish get-up in ...