What causes knee stiffness?

May 10, 2024 Source: Cainiu Health

Dr. Xu Shuai

Introduction

The knee usually refers to the knee joint. Stiffness in this area may be related to lack of exercise, prolonged sitting, intense physical activity, rheumatoid arthritis, systemic lupus erythematosus, etc. It is important to promptly visit a正规 hospital for proper evaluation and follow medical advice to improve the condition through general treatments, medications, and other methods. During treatment, keep the knee joint warm and avoid exposure to cold to prevent worsening of discomfort symptoms.

The knee usually refers to the knee joint. Stiffness in this area may be related to lack of exercise, prolonged sitting, intense physical activity, rheumatoid arthritis, systemic lupus erythematosus, and other conditions. It is important to seek timely medical evaluation at a正规 hospital and follow medical advice for improvement through general treatments, medications, and other approaches. Specific analyses are as follows:

1. Lack of exercise: Long-term inactivity can weaken the muscles surrounding the knee joint and reduce the elasticity of articular cartilage, leading to joint stiffness. Regular physical activities such as walking or swimming are recommended.

2. Prolonged sitting: Sitting for extended periods keeps the knee joint in a bent position, impairing blood circulation and oxygen supply to the joint, which may result in stiffness. Avoid prolonged sitting and take breaks to stand and move around periodically.

3. Intense exercise: Frequent high-intensity exercise can cause wear and tear on the soft tissues of the knee joint, resulting in the aforementioned symptoms. Exercise should be performed in moderation, avoiding excessive intensity or duration to prevent adverse effects on health.

4. Rheumatoid arthritis: This condition is generally associated with genetic and environmental factors and causes inflammation and swelling of the synovial membrane in joints, leading to knee stiffness. Under medical guidance, medications such as Qingpeng Ointment, Hydroxychloroquine Sulfate Tablets, and Azathioprine Tablets may be used to alleviate symptoms.

5. Systemic lupus erythematosus: This is a systemic autoimmune disease that affects multiple organs and systems. When the knee joint is involved, it may lead to inflammation and damage, causing the symptoms described above. As directed by a physician, medications such as Prednisone Acetate Tablets, Clobetasol Propionate Cream, and Danazol Capsules may be used to relieve symptoms.

During treatment, it is important to keep the knee joint warm and avoid exposure to cold, as this could worsen discomfort.

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What causes the inability to fully straighten the knee with a feeling of tightness, and what should be done about it?

Knee stiffness and the inability to fully straighten the knee may be related to conditions such as knee hyperextension, knee arthritis, or meniscus injury. These can be managed through daily care, medication, and other interventions. Prolonged postures involving extended knees—such as standing or sitting for long periods—may lead to tightness and restricted extension. This condition typically does not require special treatment and can be relieved with appropriate movement and activity.