Skeletal Muscle

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The Aging Musculoskeletal System
The human musculoskeletal system is the organ system that gives humans the ability to physically move, by using the muscles and skeletal system. It consists of the muscular system and the human skeleton. Bones are connected to each other at the joints by ligaments or cartilage and skeletal muscle is attached to bones, usually by tendons. Bones mass or density is lost as people age, especially in women after menopause. The bone loses calcium and other minerals. Bone is a constantly changing tissue that has several functions. Bones serve as rigid structures to the body and as shields to protect delicate internal organs. They provide housing for the bone marrow, where the blood cells are formed. Bones also maintain the body 's reservoir of calcium. Bones come together to form joints. The configuration of a joint determines the degree and direction of possible motion.
Osteoporosis is a disease that is defined by low bone mass and loss of bone tissue basically thinning of the bones that lead to weak and fragile bones. (Aging in the bones-muscle-joints 2012). Bones are in a state of changing where new bone tissues are replacing the old bone tissue in order to keep the strength. It affects men and women, but it is usually a disease that affects women. However, when someone is diagnosed with osteoporosis it means that the bone tissue and mass is not replaced as fast with new bone tissue, which is one factor of osteoporosis. Another factor that causes osteoporosis is a deficiency in estrogen which typically occurs in menopause, causing low bone density because of the drop of estrogen. The probable effects of osteoporosis on an everyday life of an 84- year old thin white female may be critical. Since the bones become so thin and have low bone density, a minor fall can cause a fracture.
Of all bone deficiencies osteoarthritis is the most common. It typically comes with aging and wearing of the joints. According to Hugle et al. (2012) half



Bibliography: Aging changes in the bones-muscle-joints. Retrieved January 31, 2013, from Medline Plus: www.nlm.nih.gov/medlineplus/ency/article/004015.htm Coleman, A. B. (2010). Aging and Bone . Journal of Dental Research, 1333-1348. Hugle, T., Geurts, J., Nuesch, C., Luller-Gerbi, M., & and Valderrabano, V. (2012). Aging and Osteoarthritis: An inevitable encounter? Journal of Aging Research, 2835-2844.

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