• Bruising or Redness: In some cases, bruising or redness may develop, often after an injury or impact. • Tenderness: The knee may feel tender to the touch, particularly around the joint or where an injury occurred. • Popping or Cracking Sounds: Some people experience a popping or cracking sound (crepitus) when moving the knee, which may indicate cartilage issues or other joint prob... https://ashokainternationalpainmanagementcentre.com/knee-pain/