References
1. The Korean Geriatrics Society. Textbook of geriatric medicine 3rd edth ed. Seoul: Panmuneducation; 2015. p. 481.
2. Kim SG. Essentials of primary care: differential diagnosis of joint pain by a case. Paper presented at: The Korean Association of Internal Medicine Conference 2015. April 25; Hyundae Hotel. Gyeongju.
3. Lee SH. Prevention and treatment of osteoarthritis. Gwangju Namgu News 2015;November 23; Sect.07.
4. Dillon CF, Rasch EK, Gu Q, Hirsch RY. Prevalence of knee osteoarthritis in the United States: Arthritis data from the third national health and nutrition examination survey 1991-94. The Journal of Rheumatology 2006;33(11):2271–2279.
5. Lee GW, Son YJ, Lee KS. Effects of hospital's characteristic on the length of stay in middle-aged gonarthrosis inpatients. Health and Social Welfare Review 2015;35(4):95–115.
https://doi.org/10.15709/hswr.2015.35.4.95.
8. Shin SS, Eun Y. Relationships among pain, depression, health behavior, and activities of daily living in older adults after femur fracture surgery. Journal of Muscle and Joint Health 2015;22(1):1–12.
https://doi.org/10.5953/JMJH.2015.22.1.1.
9. Na HJ, Bae SH, Kim MJ. Suicidal ideation in older adults with osteoarthritis: Data from the Korea National Health and Nutrition Examination survey. Journal of Muscle and Joint Health 2015;22(2):138–147.
https://doi.org/10.5953/JMJH.2015.22.2.138.
10. Kim DH, Jang HJ, Cheon JG, Kim SY. Relationship between the severity of radiographic features and degree of pain and dysfunction in patients with knee osteoarthritis. Journal of the Korean Society of Physical Medicine 2016;11(1):23–34.
https://doi.org/10.13066/kspm.2016.11.1.23.
11. Hong SH, Won CW, Kim BS, Choi H, Kim S, Choi SE, et al. The cut-off point of gait speed as predictor of 3 year mortality in Korean community-dwelling elderly. Korean Journal of Family Practice 2016;6(3):166–171.
https://doi.org/10.21215/kjfp.2016.6.3.166.
12. Dzeladini F, Grappe A, Simpson C, Wu AR, Ijspeert A. Muscle activation variability is inversely correlated with walking speed. In : Ibanez J, Gonzalez-Vargas J, Azorin JM, Akay M, Pons JL, eds. Converging clinical and engineering research on neu-rorehabilitation II Switzerland: Springer International Publishing AG; 2017. p. 15.
13. Kitayuguchi J, Kamada M, Hamano T, Nabika T, Shiwaku K, Kamioka H, et al. Association between knee pain and gait speed decline in rural Japanese community-dwelling older adults: 1-year prospective cohort study. Geriatrics Gerontology International 2016;16(1):55–64.
https://doi.org/10.1111/ggi.12432.
14. Hayashi KH, Kako M, Suzuki K, Hattori K, Fukuyasu S, Sato K, et al. Gait speeds associated with anxiety responses to pain in osteoarthritis patients. Pain Medicine 2016;17(3):606–613.
https://doi.org/10.1111/pme.12897.
15. Cross KM, Worrell TW. Effects of a static stretching program on the incidence of lower extremity musculotendinous strains. Journal of Athletic Training 1999;34(1):11–14.
18. Kim CS, Jang SH, Cho YY. The effect of laughter therapy on arthralgia, ankylosis, depression, and sleep of elderly housebound women with osteoarthritis. Journal of Korean Biological Nursing Science 2015;17(2):123–131.
https://doi.org/10.7586/jkbns.2015.17.2.123.
19. Kim DK, Park WH. Knee muscle strength after revision anterior cruciate ligament (ACL) reconstruction: Comparison primary ACL reconstruction. The Korean Journal of Sports Medicine 2016;34(1):72–77.
https://doi.org/10.5763/kjsm.2016.34.1.72.
20. Tanaka R, Ozawa J, Kito N, Moriyama H. Effects of exercise therapy on walking ability in individuals with knee osteoarthritis: A systematic review and meta-analysis of randomised controlled trials. Clinical Rehabilitation 2016;30(1):36–52.
21. Na SH. The effects of progressive elastic band exercise on lower muscle function and range of motion in patients with degenerative arthritis. Journal of Sport and Leisure Studies 2015;60:667–674.
23. Kyung HS, Lee BW, Jeong WJ. Evaluation of anterior knee pain. Knee Surgery & Related Research 2009;21(3):127–141.
24. Yoon TS, Kim MS. Isokinetic values and cardiovascular responses of hip abductors and adductor according to different positions of exercise. Journal of Korean Academy of Rehabilitation Medicine 1996;20(3):762–770.
25. Lee AR, Kim SL. Prevalence and risk factors of knee pain in Korean adults: Results from Korea National Health and Nutrition Examination Survey, 2010-2012. Journal of Health Information and Statistics 2015;40(3):129–139.
26. Bruckenthal P, Broderick J. Nurse practitioners can effectively deliver coping skills training to patients with osteoarthritis. Pain Management Nursing 2016;17(2):96.
https://doi.org/10.1016/j.pmn.2016.02.016.
27. Jung SY, Lee SK. The effect of functional exercise of lower limb on knee joint muscular function and proprioceptive position sense. Korea Science & Art Forum 2006;23:309–315.
https://doi.org/10.17548/ksaf.2016.03.23.309.