Green circuit training: no gym required
All you need for these exercise circuits from Runner's World is a green outdoor space and self-motivation - no cash, membership card or fancy clothes needed.The great thing about these workout plans is that RW gives you demonstration videos of the moves, including side planks, hanging abdominal curls, traveling lunges, and sumo squats.
There are two workouts: Core Power and Lower Body Blast. The first workout is 30 minutes and combines sprints with the three of the exercises mentioned above. The second is as it sounds, a challenging 45-minute routine that focuses on your lower half (the latter will require you to find a slight incline).
Interval and circuit workouts are a great way to build muscle and lung capacity, because they require both strength and stamina to power through. As you constantly keep your body guessing and your heart pumping, your muscles have to work harder to keep up with you, and the result is a fitter, stronger you.
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