Finger wrenching may cause cartilage damage, muscle or ligament damage, joint instability and other hazards. 1. Cartilage damage: Finger wrenching can lead to serious wear and tear of joints and cartilage, and may even shake the joint surface. Joints and cartilage gradually deteriorate under long-term wear and tear, leading to joint deformation and pain, affecting normal life and sports. 2. Muscle or ligament damage: forcing the fingers to make noise may lead to muscle and ligament damage due to excessive force. 3. Joint instability: When repeated finger wrenching makes loud noises, it may lead to damage to the joint capsule and collateral ligaments, and when prolonged finger wrenching can also lead to joint instability and joint degeneration. Finger wrenching has a certain degree of harm, should promptly change the bad habits.