:   ü ȭ Ȯϴ ڰܹѹ ⡯
̱ ̿Ŭ , 50 ̻ ǰ 40 ӻѹ߷ ִ ð, ü ȭ ǥ Ȱ ٷ° ຸٴ Ȯ ǥѹ߷ 30 ̻ ־ѹ߷ ִ ð ϸ Ƿ̳ ٷ ϴ ͺ Ȯϰ ü ȭ Ȯ ִٴ Դ. ѹ߷ ִ ð ȭ ֿ ǥ Ȱ ִٴ . (Age-related changes in gait, balance, and strength parameters: A cross-sectional study, ɿ , ٷ ȭ Ⱦ ܸ鿬) SCI м ÷ν(PLoS ONE) ƴ.

ѹ߷      ִ ð ϸ ü ȭ  Ȯ  ִٴ   Դ٤ó: ̵̱ ̿Ŭ(Mayo Clinic) 50 ̻ ǰ 40 ȱ, , Ƿ ٷ ߴ. 65 ̸, 65 ̻̾. ׽Ʈ ߰ ߷ , ߷ , ߰ 켼 ٸ , ߰ 켼 ٸ ⸦ 30 ߴ. , 켼 ٸ ִ ð ̰ 鼭 ũ ϴ Ÿ. 켼 ٸ 10⸶ 2.22, 켼 ٸ 1.7ʾ پ. Ƿ° ٷµ 10⿡ Ҽ ŭ ũ ʾҴ. Ƿ 10⿡ 3.7% ٷ(1.4%)ٴ ӵ , ٷ ҿ ̴ Ȯε ʾҴ. ݸ, ɷ ̰  ƴ. 8m θ ڱ յڷ Ȱ ׽Ʈ ̿ ū ȭ ʾҴ. ư (Kenton Kaufman) ڻ ܼ ٷ¸ ƴ ð, , ü ȭ ʿ ϱ ü ȭ ߿ ô ִ١ ߴ. ״ ѹ߷ 30 ̻ ִٸ ǰ ϰ ִ ̶͡, ̸ ݺϸ ȭ ϸ ִ١ ߴ.

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