Muscle knots are small, bump-like areas of muscle that can be painful to the touch. The medical term for muscle knots is myofascial trigger points. These knots occur when muscle fibers or the bands of tissue called fascia underneath them tense and tighten.
For athletes and weekend warriors alike, returning from a tendon injury too soon often ensures a trip right back to physical therapy. However, a new technology could one day help tell whether your tendons are ready for action.
For people with chronic heel pain, costly "custom" shoe inserts are probably a waste of money, a new research review suggests.