Give your lower back a little attention with this quick and effective 20-minute strength and stretch class packed with exercises to ease discomfort and pain. Whether you sit too much or do repetitive physical work, the muscles around the lower back can become stiff and tender. You can restore your freedom of movement and prevent more serious injuries with this routine. It’s especially important that you don’t try to push through the pain during this class, but remain mindful of your current range of pain-free movement. Once you mastered these back exercises, you can use them anytime you begin to experience lower back stiffness in the future.