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patella |
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patella (pətĕl`ə): see kneecap kneecap (patella), saucer-shaped bone at the front of the knee joint; it protects the ends of the femur, or thighbone, and the tibia, the large bone of the foreleg. The kneecap is embedded in the tendon tissue of the quadriceps femoris, a large thigh muscle. ..... Click the link for more information. . patella 1. Anatomy a small flat triangular bone in front of and protecting the knee joint 2. Biology a cuplike structure, such as the spore-producing body of certain ascomycetous fungi 3. Archaeol a small pan patella [pə′tel·ə] (anatomy) A sesamoid bone in front of the knee, developed in the tendon of the quadriceps femoris muscle. Also known as kneecap. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Though it can appear due to malalignment of the patella and femur or from tight structures on the outside of the knee, it often results from weak quadriceps muscles in combination with the stress running creates on the joint. Many contributing factors have been suggested as a possible cause of patellofemoral pain, including an increased Q angle, patella alta, abnormal or excessive foot pronation, quadriceps femoris (vastus medialis) muscle weakness, diminished flexibility of the hamstring and rectus femoris muscles, malalignment of the femur, and weakness of the hip. Anderson returns: Garret Anderson returned to the Angels' lineup Tuesday after missing the previous eight games because of patella tendinitis in his left knee and an irritated lower back, likely related to the sacroiliac joint. |
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