well-structured plan that's designed to progressively challenge your body. I developed a 60-day workout plan to gain muscle and guide you through a comprehensive approach to building size.

Ready to test your fitness? See how many strict pull-ups you can do in 60 seconds and learn how to improve your strength and endurance with these expert tips.

Sixty seconds of this exercise is a challenge. By the end of each session ... While I won’t stick to 60 seconds daily, I’ll take von Zitzewitz’s advice and alternate between 30 seconds ...

In less than 20 minutes, you can sculpt your arms and abs with this upper body dumbbell workout, all while getting your heart ...