Myofascial pain syndrome is a disorder in which pressure on sensitive points in the muscles causes pain in seemingly unrelated body parts. The syndrome often happens after repeated injury or muscle overuse.
Symptoms include persistent pain or a tender muscle knot.
Treatments include physical therapy, medications to relieve pain, local needling or injections, and relaxation techniques.
Consult a doctor for medical advice
Sources: Mayo Clinic and others.
More than 200,000 US cases per year
Treatable by a medical professional
Requires a medical diagnosis
Lab tests or imaging rarely required