Firm up from the waist down. Whether you’re a man or a woman, a student or a senior, strengthening your abs, legs, and butt can improve balance, posture, and coordination, not to mention make you look fantastic. This guide will show you how to:

• Use proper form to make abs and lower body training safer and more effective
• Stretch your abs, legs, and butt to limit injury and improve flexibility
• Perform more than 30 exercises for the major muscles of your lower body