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Jan 25, 2023 · Symptoms. The location and severity of knee pain may vary, depending on the cause of the problem. Signs and symptoms that sometimes accompany knee pain include: Swelling and stiffness. Redness and warmth to the touch. Weakness or instability. Popping or crunching noises. Inability to fully straighten the knee.
- Bones. Three bones meet to form your knee joint: the femur (thighbone), the tibia (shinbone), and the patella (kneecap). The patella sits in front of the joint to provide some protection.
- Articular cartilage. The ends of the femur and tibia, and the back of the patella are covered with articular cartilage. This slippery substance helps your knee bones glide smoothly across each other as you bend or straighten your leg.
- Meniscus. Two wedge-shaped pieces of meniscal cartilage act as shock absorbers between your femur and tibia. Different from articular cartilage, the meniscus is tough and rubbery to help cushion and stabilize the joint.
- Ligaments. Bones are connected to other bones by ligaments. The four main ligaments in your knee act like strong ropes to hold the bones together and keep your knee stable.
Physical activities, exercise, playing sports and doing physical work can all stress your knee joint. Doing the same repetitive motion (like jumping a lot, or working on your hands and knees) can cause knee pain. Knee pain is a symptom of common overuse issues, including: Patellofemoral pain (PFPS or runner’s knee).
Mar 20, 2023 · Other possible causes of knee joint pain. Other possible causes of knee joint pain include: Overuse injuries: Also called repetitive injuries, these are considered common in the knees ...
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