5 Core Strength Workouts You Can Do At Home | Perfect for women, for men, for beginners, and beyond, these core strengthening exercises will improve your balance, stability, and posture, tighten and tone your abs, and they are perfect for back pain! If you want flat abs, you can do these core exercises at the gym or at home with little to no equipment, and if you're looking to strengthen your core after baby, we've included a 10-minute workout you can start after pregnancy.