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Mar 1, 2023 · Quadricep or hamstring tendinitis: Tendinitis happens when the tendons that attach muscles to your bones ( quadriceps and hamstrings) become inflamed. Arthritis: Knee arthritis happens when the...
Dec 2, 2021 · December 2, 2021. 00:00. Knee injuries can range from mildly uncomfortable to devastating. If you’ve hurt your knee, it’s important to assess the damage so you can decide whether you should see a doctor. A key sign to look for is swelling.
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- 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.
- Fractures. Any of the bones in or around the knee can be fractured. The most commonly broken bone in the joint is the patella or kneecap. High impact trauma, such as a fall or car accident, causes most knee fractures.
- Anterior cruciate ligament injuries. Share on Pinterest. ACL injuries can range from grade 1 to 3 in severity. The anterior cruciate ligament (ACL) runs diagonally down the front of the knee, providing critical stability to the joint.
- Dislocation. Dislocating the knee happens when the bones of the knee are out of their proper placement and alignment. In a knee dislocation, one or more of the bones may slip out of place.
- Meniscal tears. When people refer to torn cartilage in the knee, they are probably talking about a meniscal tear. The menisci are two rubbery wedges of cartilage between the thighbone and shinbone.
Jan 6, 2022 · If you've torn your meniscus, it might take 24 hours or more for pain and swelling to begin, especially if the tear is small. You might develop the following signs and symptoms in your knee: A popping sensation; Swelling or stiffness; Pain, especially when twisting or rotating your knee; Difficulty straightening your knee fully
Mar 4, 2021 · Below are the most common types of injuries. 1. Knee Fracture. Your patella, or your knee cap, protects your knee joints from injuries or further damage. When you fall or collide with an object or a person, your kneecap makes first contact and shields the different parts within your knee joint.
Jan 25, 2023 · Overview. Knee pain is a common complaint that affects people of all ages. Knee pain may be the result of an injury, such as a ruptured ligament or torn cartilage. Medical conditions — including arthritis, gout and infections — also can cause knee pain. Many types of minor knee pain respond well to self-care measures.