11 de março de 2025 10:33:05 ART
There are multiple reasons why your knee might make a popping sound, including both physiological and pathological factors.
2.1. Physiological Causes
- Gas in the Joint Fluid: When you move, gas bubbles in the synovial fluid can collapse, creating a popping sound. This is normal and not a cause for concern.
- Tendon and Ligament Friction: As you move, tendons can shift over bones or soft tissue, producing a clicking sound.
- Overactivity or Inactivity: People who sit for long periods or are inactive may experience reduced joint lubrication, leading to popping sounds when they move.
2.2. Pathological Causes
If your knee frequently makes popping sounds along with pain or inflammation, you might have one of the following conditions:
- Knee Osteoarthritis: As cartilage wears down over time, the bones rub against each other, causing a grinding sound along with pain and stiffness.
- Knee Arthritis: Inflammatory conditions like synovitis or rheumatoid arthritis can damage the joint, leading to popping sounds during movement.
- Lack of Joint Fluid: Synovial fluid lubricates and protects the cartilage. When its levels drop, the knee may produce cracking noises.
- Knee Injuries: Damage to structures like the meniscus or ligaments can destabilize the knee, resulting in abnormal sounds.