A sprain, also known as a torn ligament, is the stretching or tearing of ligaments within a joint, often caused by trauma abruptly forcing the joint beyond its functional range of motion. Ligaments are tough, inelastic fibers made of collagen that connect two or more bones to a joint and are important for joint stability and proprioception, which is the body's sense of limb position and movement. The majority of sprains are mild, causing minor swelling and bruising that can be resolved with conservative ...
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