Back injuries are one of the top causes of missed work in the United States. Improper lifting, stress, and athletic/workout injuries are all common causes of stress on the lower portion of your back. If you want to reduce your risk of injuring your back, or any other body part for that matter, you need to protect your lower back and your risk of an injury will decrease. If you have questions on how to perform certain exercises or have concerns, visit a physical therapist and have them guide you through a workout. Warm-Up Before Raising Your Intensity Warming up for 5 to 10 minutes before you ease into your workout, is the best way to prevent muscle injury, especially in the core and lower back areas. Stretching, walking on a treadmill, or mild calisthenics are all acceptable forms of warm-up exercises. During your warm-up time, the exercises you use will begin to stretch the muscles and connective tissues. This increases circulation to the muscles giving them access to th...