Need help with pulled tendon in chest?

It may not be chest tendon or other injuries, the possibility is of chostocondritis and you need to see a doctor and correctly diagnose and take the medicine. Yoga will help you. Some hotbath on the area would also help. There could be inflammation at the joints of the rib with sternum and radiating to ribs and other parts. Specific bacteria/virus may also be behind the scene. A good homeopath can also help you with treatment and cure. For injuries Arnica 30, Ledum Pal 30 (for ligament and tendons) and hyperi 30 for nerve injuries are useful medicines at minimum doses. The ailment usually have deep rooted cause right from childhood, which can be reversed. Consult a doctor before use of homeo medicines.