11 Worst Knee Pain Causes That Can’t Be Ignored

by DailyHealthPost Editorial

knee pain causes

Knee pain is an extremely common ailment, with pain levels ranging from mildly annoying to severe and debilitating. Knee pain causes are just as varied: excess weight, injury, illness, etc…

Regardless, a knee pain diagnosis is useless without knowing what caused it, how to fix it, and how to prevent future knee pain. Your knee joint is actually fairly complex (1).

Bones of the knee include:

  • tibia and fibula (lower leg bones)
  • patella (kneecap)
  • femur (upper leg bone)


  • meniscus (acts as a shock absorber) the menisci are found on the ends of the femur and tibia and at the back of the patella

Bursae (fluid-filled sacs that reduce friction in the knee joint) (2,3):

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  • prepatellar bursa
  • medial collateral ligament Bursa
  • iliotibial Bursa
  • suprapatellar bursa
  • gastrocnemius-semimembranosus Bursa
  • infrapatellar bursae
  • pes anserine bursa

Tendons and ligaments of the knee:

  • anterior cruciate ligament (ACL)
  • posterior cruciate ligament (PCL)
  • medial collateral ligament (MCL)
  • lateral collateral ligament (LCL)
  • quadriceps tendon
  • patellar tendon

Any bone or soft tissue of the knee can be injured or affected by certain medical conditions. Symptoms of knee problems include knee joint pain (sharp or dull), swelling, general soreness, difficulty bending or straightening the leg, and even hip or foot pain.