15Minute

Skip the crunches and strengthen your core with this 15-minute ab workout — no equipment needed

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Sit-ups are probably the first ab exercise I learned to do and while they are great for engaging the core muscles, I find them to be a bit boring and overused in ab workouts. While I don't actively avoid the humble sit-up when training my core, I'm thrilled when I find an ab circuit that's … Read more

Skip the Gym: This 15-Minute Kettlebell Workout Strengthens Your Upper Body and Boosts Your Metabolism

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You don't need to hit the gym to strengthen your arms, shoulders, back, and chest muscles: This 15-minute workout strengthens your upper body using just the best kettlebells and five exercises. The workout should be done at a submaximal effort, meaning you won't be hitting your max for the full 15 minutes. But that doesn't … Read more