Downward facing dog can help stretch and strengthen your feet, calves, hamstrings, lower back, shoulders, neck, and hands. Begin on your hands and knees with your shoulders directly above your wrists and your hips directly above your knees. Spread your fingers wide and press your palms into the floor. Now lift your hips and push back with your hands to form an upside down V with your body. Work your heels toward the floor, and let your head hang to relieve any tension you’re holding in your neck. Take 8-10 breaths, and then release.
People understandably assume that the worst back pain is the scariest. In fact, pain intensity is a poor indicator of back pain ominousness,10 and some of the worst causes are actually the least painful (especially in the early stages). For instance, someone could experience the symptoms of cauda equinae syndrome, and be in real danger of a serious and permanent injury to their spine, but have surprisingly little pain — even none at all in some cases!
Grade II (moderate): A larger tear in your muscle that makes it difficult to move and causes a moderate amount of pain, especially when you move the affected muscle, swelling, and tenderness. You may have 5 percent to 50 percent loss of function and you may be limping. You can't go back to sporting activities until the tear is completely healed. These injuries can take anywhere from a couple weeks to a few months to heal, depending on how bad they are.