A sprain is an injury that damages a ligament. A ligament is a firm, fibrous band of tissue. It connects two bones across a joint. There are ligaments crossing all of the joints in the body.
Grade 1 and 2 sprains are less severe. The internal structure of the ligament in damaged but the ligament remain intact. Grade 3 sprains are more severe. They include complete tears of the ligament. Grade 3 sprains are sometimes called torn or ruptured ligaments.
Sprain: Grade 2
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The most common joints involved include:
- Thumb or finger
- Shoulder (acromioclavicular joint)
Last reviewedFebruary 2013by Teresa Briedwell, PT, DPT, OCS
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.