S83: Dislocation, sprain and strain of joints and ligaments of knee
S83.5: Sprain and strain involving (anterior)(posterior) cruciate ligament of knee
Sprain and strain involving the anterior or posterior cruciate ligament of the knee refers to injuries affecting these key ligaments inside the knee joint. These ligaments are vital in providing stability to the knee, allowing it to flex and extend while also preventing the thigh and shin bones from sliding around excessively. An injury tends to occur when the knee is bent and then quickly twisted or pivoted, often during sports activities. A sprain refers to overstretched or torn ligaments, while a strain refers to a similar injury, but to a muscle or tendon instead. When these injuries happen, common symptoms include a loud pop or snap during the injury, swelling, instability in the knee, pain, and a reduced range of motion. The severity can vary, from a mild stretch to a total tear, and the injury could sustain further damage if not allowed to heal properly.
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