Answer:
Knee pain can have causes that aren't due to underlying disease. Examples include heavy physical activity, lack of use, injuries such as sprains or strains, sitting in a constrained area, or sitting on knees for a prolonged period.
Explanation:
possibly Chondro malacia
Damage to the cartilage under the kneecap.
Symptoms may include
Knee pain
Cracking joints
Swelling of the knee
Please go to your doctor...ik it hard with cov id and everything