By Teresa M. Howes
Ready to put your body to the test? Tighten your torso, flatten your abs, and improve full-body strength, balance and stability, with this 30-day plan
Whether you're new to strength training or looking for a fresh challenge, these tips and tricks offer balance challenges, agility work, high-intensity intervals, weight-lifting routines and more. No matter what you want to achieve, use this guide to help reach your fitness goal.