Joint laxity by exam: Ligaments are actually static or passive restraints that connect bones at a joint. They also serve to help control and constrain or limit the range of joint motion. If a joint becomes loose or unstable and there is a sudden or subsequent increase in a range of motion, a ligament is presumed to be injured (sprained) or torn. A thorough examination of the joint will predictably make the diagnosis.
Answered 9/19/2014
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