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Joint Wear – Causes, Symptoms & Treatment
Joint wear refers to the progressive breakdown of cartilage and joint structures. It causes pain, stiffness, and reduced mobility and is a leading cause of osteoarthritis.
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Joint wear refers to the progressive breakdown of cartilage and joint structures. It causes pain, stiffness, and reduced mobility and is a leading cause of osteoarthritis.
What is Joint Wear?
Joint wear refers to the gradual, degenerative breakdown of joint structures – particularly the articular cartilage, which covers the ends of bones in a joint and acts as a shock absorber. Over time, cartilage can thin or break down completely, leading to direct bone-on-bone friction. Medically, this process is most commonly referred to as osteoarthritis (also written as osteoarthrosis).
Causes
Joint wear develops through a combination of factors:
- Age: As we age, cartilage loses its elasticity and ability to regenerate.
- Excess body weight: Additional body mass increases pressure on joints, especially the knees, hips, and spine.
- Overuse and improper loading: Heavy physical labor or intensive sports can overload the cartilage.
- Genetic predisposition: A family history of joint problems increases the risk of joint wear.
- Previous injuries: Past joint trauma such as fractures or ligament injuries can promote later degeneration.
- Malalignment: Skeletal misalignments such as bow legs or knock knees can lead to uneven joint loading.
Symptoms
Symptoms usually develop gradually and worsen over the years:
- Joint pain, initially during activity and later also at rest
- Morning stiffness or start-up pain after prolonged sitting
- Restricted range of motion in the affected joint
- Swelling and warmth around the joint
- Grinding or clicking sounds (crepitus) during movement
- In advanced stages: visible joint deformities
Commonly Affected Joints
Joint wear can affect any joint, but is most commonly seen in:
- Knee joint (gonarthrosis)
- Hip joint (coxarthrosis)
- Finger and wrist joints
- Spine (spondylarthrosis)
- Ankle joint
Diagnosis
Diagnosis is typically established through a combination of:
- Physical examination: Assessment of mobility, pain response, and joint condition
- X-ray imaging: Visualization of cartilage loss, bone changes, and joint space narrowing
- MRI (Magnetic Resonance Imaging): Detailed imaging of cartilage, ligaments, and soft tissue
- Ultrasound: Evaluation of fluid accumulation and joint structures
- Blood tests: To rule out inflammatory conditions such as rheumatoid arthritis
Treatment
Conservative Treatment
In most cases, conservative treatment is the first approach:
- Physical therapy and exercise: Strengthening the muscles around the joint to reduce load on the cartilage
- Pain management: Use of analgesics (e.g., paracetamol, NSAIDs such as ibuprofen) or local corticosteroid injections
- Weight loss: Reducing excess body weight to relieve pressure on joints
- Assistive devices: Orthotic insoles, braces, and walking aids to support joint function
- Heat and cold therapy: For pain relief and reduction of inflammation
Surgical Treatment
When conservative measures are insufficient, surgical options may be considered:
- Arthroscopy: Minimally invasive joint lavage and cartilage smoothing
- Osteotomy: Correction of skeletal malalignment through bone realignment
- Joint replacement (endoprosthesis): Replacement of the damaged joint with an implant, commonly used in advanced knee or hip osteoarthritis
Prevention
Early joint wear can be reduced or delayed through the following measures:
- Regular, joint-friendly physical activity (e.g., swimming, cycling)
- Maintaining a healthy body weight
- Avoiding overuse and repetitive one-sided strain
- Ensuring ergonomic workplaces and correct posture
- Adequate intake of joint-supporting nutrients (e.g., vitamin D, calcium, omega-3 fatty acids)
References
- World Health Organization (WHO): Musculoskeletal conditions. Fact Sheet, 2023. Available at: https://www.who.int/news-room/fact-sheets/detail/musculoskeletal-conditions
- Loeser R.F. et al.: Osteoarthritis: a disease of the joint as an organ. Arthritis & Rheumatology, 2012; 64(6): 1697–1707. PubMed PMID: 22392533.
- Bannuru R.R. et al.: OARSI guidelines for the non-surgical management of knee, hip, and polyarticular osteoarthritis. Osteoarthritis and Cartilage, 2019; 27(11): 1578–1589.
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