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Without bones, muscles, and joints, we couldn't stand, walk, run, or even sit. The musculoskeletal system supports our bodies, protects our organs from injury, and enables movement. ... Joints and What They Do ... A fracture occurs when a bone breaks; it may crack, snap, or shatter. After a fracture, new bone cells fill the gap...
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kidshealth.org/parent/general/body_basics/bones_muscles...
kidshealth.org/parent/general/body_basics/bones_muscles_joints.html
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Pivot joints allow rotation arround an axis. The neck and forearms have pivot joints. In the neck the occipital bone spins over the top of the axis. In the forearms the radius and ulna twist arround each other.
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www.shockfamily.net/skeleton/JOINTS.HTML
www.shockfamily.net/skeleton/JOINTS.HTML
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The ball-and-socket joint is found in the hip-bone and the shoulder and allows the most movement of all the joints. One bone (like the femur my student found) has a ball-like knob at the end of it, and the knob fits into a cup-like space on the other side.
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www.dmturner.org/Teacher/Library/5thText/SkelPart2.html
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Osteoarthritis is a chronic disease of the joint cartilage and bone. It can affect any joint and results from the gradual wearing away of the cartilage between the bone joints that eventually results in bone rubbing against bone. ... Sometimes new pieces of bone, called bone spurs, grow around the joints. All of these...
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www.drugs.com/osteoarthritis.html
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Bone mass and density decrease, increasing the susceptibility to fractures. Tendons and ligaments become less elastic, making it easy to get overuse injuries. ... Exercise helps keep the joints flexible, the muscles around the joints strong, bone, and cartilage tissue strong and healthy; and reduces pain.
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orthoinfo.aaos.org/topic.cfm?topic=A00100
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Why a Bone and Joint Decade? ... Why focus on bones and joints? ... Across the world, millions of people have conditions that affect bones and joints. Because people are living longer, conditions like arthritis and osteoporosis have a great impact on costs of care and quality of life.
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orthoinfo.aaos.org/topic.cfm?topic=A00282
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The Medscape Journal ... Allergy & Clinical Immunology ... Diabetes & Endocrinology...
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www.medscape.com/medline/abstract/11215131
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The purpose of this study was to investigate the therapeutic use of recombinant human bone morphogenetic protein-2 (rhBMP-2) in internally deranged temporomandibular joints (TMJ). ... 0 (Bone Morphogenetic Proteins)
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www.medscape.com/medline/abstract/12054709
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