This kettlebell workout is a circuit, where you'll be doing 10 reps for each exercise (on both sides where necessary) and you'll do these back-to-back.

Bodyweight exercises are versatile, allowing you to focus on core strength, muscular endurance, and even functional fitness—key components for a lean, strong physique.

This core circuit focuses on often neglected core-system areas, as most will assume that core means abdominal/stomach muscle exercises only. Many will work their abs but neglect their lower back.

But this circuit, on the whole, is not meant to be a cardio workout, she says. Performing the moves correctly requires serious core activation.

If you like full-body workouts that focus on pull-push-legs-core, this circuit of these fitness components will challenge you, especially if you go heavy on the lifts and push your maximum on the ...

Core workouts at home are a quick and easy way to get an ab workout that is effective and boosts your running efficiency. Here, the best at-home ab workouts.