Summarize the following:
Yoga is a great way to help relax back muscles. Try poses like cobra, bridge, or downward facing dog. You can also attend a local yoga class and ask the instructor for suggestions on poses that will help relax your back muscles. Tai chi can help you relax your back muscles while building strength. Over time, this may help reduce pain associated with tense back muscles. Try attending a local tai-chi class. You can also find beginner tai-chi videos online for free or for a minimal cost.  Always ask a doctor before starting an exercise program like tai-chi. Start out with one 30-40 minute session twice a week, and build up to practicing tai-chi for at least 30 minutes each day. If your upper back is tight, you can help relax those muscles with a shoulder squeeze. Slowly pull your shoulder blades together as you gently push your chest forward. Relax the shoulder blades back to their normal position, and repeat 2-3 more times. to support relaxation. Doing some basic stretches can help relax the muscles in your upper back. Try sitting with your legs outstretched and gently stretching your hands forward in a rounded back stretch. You can also try gently touching your chin to your neck and holding the stretch for 30 seconds to relieve tension in the upper back. An acupressure mat is covered in small plastic spikes meant to stimulate blood flow in your back. By lying on the mat for 10 to 20 minutes every day, you may experience a release of muscle tension. You can purchase one of these mats for less than $20 online.

Summary:
Try yoga to ease stiff back muscles. Experiment with tai chi to release tension in your back muscles. Try a shoulder squeeze to relax shoulder muscles.  to support relaxation. Lie down on an acupressure mat and relax.