Acknowledgement
The authors are grateful for helping with the interventions of the study participants. Thanks to the following people for their help: Kyung Bae Yoon, Su Ryun Lee, and Dong Eun Kim.
References
- Park MS, Park J, Ryu SY, Choi SW. 25-Hydroxyvitamin D is associated with osteosarcopenia: the 2009-2011 Korea National Health and Nutrition Examination Survey. J Med Stat Inform 2020;45:139-46. https://doi.org/10.21032/jhis.2020.45.2.139
- Rosenberg IH. Sarcopenia: origins and clinical relevance. J Nutr 1997;127:990S-1S. https://doi.org/10.1093/jn/127.5.990S
- Visser M, Deeg DJ, Lips P; Longitudinal Aging Study Amsterdam. Low vitamin D and high parathyroid hormone levels as determinants of loss of muscle strength and muscle mass (sarcopenia): the Longitudinal Aging Study Amsterdam. J Clin Endocrinol Metab 2003;88:5766-72. https://doi.org/10.1210/jc.2003-030604
- Roubenoff R, Parise H, Payette HA, Abad LW, D'Agostino R, Jacques PF, Wilson PW, Dinarello CA, Harris TB. Cytokines, insulin-like growth factor 1, sarcopenia, and mortality in very old community-dwelling men and women: the Framingham Heart Study. Am J Med 2003;115:429-35. https://doi.org/10.1016/j.amjmed.2003.05.001
- Kim YJ. Associations between eating frequency and dietary nutrients and muscle mass (Korean National Health and Nutrition Survey 2008-2009)[doctoral dissertation]. Seoul: Seoul National University; 2013.
- Stipanuk MH. Leucine and protein synthesis: mTOR and beyond. Nutr Rev 2007;65:122-9. https://doi.org/10.1111/j.1753-4887.2007.tb00289.x
- Park Y, Choi JE, Hwang HS. Protein supplementation improves muscle mass and physical performance in undernourished prefrail and frail elderly subjects: a randomized, double-blind, placebo-controlled trial. Am J Clin Nutr 2018;108:1026-33. https://doi.org/10.1093/ajcn/nqy214
- Baumgartner RN, Koehler KM, Gallagher D, Romero L, Heymsfield SB, Ross RR, Garry PJ, Lindeman RD. Epidemiology of sarcopenia among the elderly in New Mexico. Am J Epidemiol 1998;147:755-63. https://doi.org/10.1093/oxfordjournals.aje.a009520
- Baczynski R, Massry SG, Kohan R, Magott M, Saglikes Y, Brautbar N. Effect of parathyroid hormone on myocardial energy metabolism in the rat. Kidney Int 1985;27:718-25. https://doi.org/10.1038/ki.1985.71
- Boland R. Role of vitamin D in skeletal muscle function. Endocr Rev 1986;7:434-48. https://doi.org/10.1210/edrv-7-4-434
- Schleithoff SS, Zittermann A, Tenderich G, Berthold HK, Stehle P, Koerfer R. Vitamin D supplementation improves cytokine profiles in patients with congestive heart failure: a double-blind, randomized, placebo-controlled trial. Am J Clin Nutr 2006;83:754-9. https://doi.org/10.1093/ajcn/83.4.754
- Jung HC, Seo MW, Lee S, Jung SW, Song JK. Correcting vitamin D insufficiency improves some but not all aspects of physical performance during winter training in taekwondo athletes. Int J Sport Nutr Exerc Metab 2018;28:635-43. https://doi.org/10.1123/ijsnem.2017-0412
- Holick MF, Matsuoka LY, Wortsman J. Age, vitamin D, and solar ultraviolet. Lancet 1989;2:1104-5. https://doi.org/10.1016/S0140-6736(89)91124-0
- Gloth FM 3rd, Smith CE, Hollis BW, Tobin JD. Functional improvement with vitamin D replenishment in a cohort of frail, vitamin D-deficient older people. J Am Geriatr Soc 1995;43:1269-71. https://doi.org/10.1111/j.1532-5415.1995.tb07404.x
- Dhesi JK, Bearne LM, Moniz C, Hurley MV, Jackson SH, Swift CG, Allain TJ. Neuromuscular and psychomotor function in elderly subjects who fall and the relationship with vitamin D status. J Bone Miner Res 2002;17:891-7. https://doi.org/10.1359/jbmr.2002.17.5.891
- Samson MM, Meeuwsen IB, Crowe A, Dessens JA, Duursma SA, Verhaar HJ. Relationships between physical performance measures, age, height and body weight in healthy adults. Age Ageing 2000;29:235-42. https://doi.org/10.1093/ageing/29.3.235
- Abshirini M, Mozaffari H, Kord-Varkaneh H, Omidian M, Kruger MC. The effects of vitamin D supplementation on muscle strength and mobility in postmenopausal women: a systematic review and meta-analysis of randomised controlled trials. J Hum Nutr Diet 2020;33:207-21. https://doi.org/10.1111/jhn.12717
- Rinaldi I, Setiati S, Oemardi M, Aries W, Tamin TZ. Correlation between serum vitamin D (25(OH) D) concentration and quadriceps femoris muscle strength in Indonesian elderly women living in three nursing homes. Acta Med Indones 2007;39:107-11.
- Kang Y, Kim N, Choi YJ, Lee Y, Yun J, Park SJ, Park HS, Chung YS, Park YK. Leucine-enriched protein supplementation increases lean body mass in healthy Korean adults aged 50 years and older: a randomized, double-blind, placebo-controlled trial. Nutrients 2020;12:1816.
- WHO Scientific Group on the Prevention and Management of Osteoporosis. Prevention and management of osteoporosis: report of a WHO scientific group (No. 921). Geneva: World Health Organization; 2003.
- Ross AC, Taylor CL, Yaktinea AL, Del Valle HB. Dietary reference intakes for calcium and vitamin D. Washington, D.C.: The National Academies Press; 2011.
- Dawson-Hughes B, Heaney RP, Holick MF, Lips P, Meunier PJ, Vieth R. Estimates of optimal vitamin D status. Osteoporos Int 2005;16:713-6. https://doi.org/10.1007/s00198-005-1867-7
- Kim TN, Choi KM. Sarcopenic obesity. J Korean Diabetes 2013;14:166-73. https://doi.org/10.4093/jkd.2013.14.4.166
- Kim JW, Lee SY. Current methods of human body composition assessment. Korean J Obes 2015;24:184-9. https://doi.org/10.7570/kjo.2015.24.4.184
- Chanet A, Salles J, Guillet C, Giraudet C, Berry A, Patrac V, Domingues-Faria C, Tagliaferri C, Bouton K, Bertrand-Michel J, Van Dijk M, Jourdan M, Luiking Y, Verlaan S, Pouyet C, Denis P, Boirie Y, Walrand S. Vitamin D supplementation restores the blunted muscle protein synthesis response in deficient old rats through an impact on ectopic fat deposition. J Nutr Biochem 2017;46:30-8. https://doi.org/10.1016/j.jnutbio.2017.02.024
- Prabhala A, Garg R, Dandona P. Severe myopathy associated with vitamin D deficiency in western New York. Arch Intern Med 2000;160:1199-203. https://doi.org/10.1001/archinte.160.8.1199
- Grady D, Halloran B, Cummings S, Leveille S, Wells L, Black D, Byl N. 1,25-Dihydroxyvitamin D3 and muscle strength in the elderly: a randomized controlled trial. J Clin Endocrinol Metab 1991;73:1111-7. https://doi.org/10.1210/jcem-73-5-1111
- Verreault R, Semba RD, Volpato S, Ferrucci L, Fried LP, Guralnik JM. Low serum vitamin d does not predict new disability or loss of muscle strength in older women. J Am Geriatr Soc 2002;50:912-7. https://doi.org/10.1046/j.1532-5415.2002.50219.x
- Shin MY, Kwun IS. Vitamin D: hormone-like nutrient. J Nutr Health 2016;49:1-7. https://doi.org/10.4163/jnh.2016.49.1.1
- Choi HJ. New insight into the action of vitamin D. Korean J Fam Med 2011;32:89-96. https://doi.org/10.4082/kjfm.2011.32.2.89
- van Vliet S, Fappi A, Reeds DN, Mittendorfer B. No independent or combined effects of vitamin D and conjugated linoleic acids on muscle protein synthesis in older adults: a randomized, double-blind, placebo-controlled clinical trial. Am J Clin Nutr 2020;112:1382-9. https://doi.org/10.1093/ajcn/nqaa240
- Jewell JL, Russell RC, Guan KL. Amino acid signalling upstream of mTOR. Nat Rev Mol Cell Biol 2013;14:133-9. https://doi.org/10.1038/nrm3522
- Pasiakos SM. Exercise and amino acid anabolic cell signaling and the regulation of skeletal muscle mass. Nutrients 2012;4:740-58. https://doi.org/10.3390/nu4070740
- Szent-Gyorgyi AG. Calcium regulation of muscle contraction. Biophys J 1975;15:707-23. https://doi.org/10.1016/S0006-3495(75)85849-8
- Janssen I, Heymsfield SB, Ross R. Low relative skeletal muscle mass (sarcopenia) in older persons is associated with functional impairment and physical disability. J Am Geriatr Soc 2002;50:889-96. https://doi.org/10.1046/j.1532-5415.2002.50216.x
- Deng X, Song Y, Manson JE, Signorello LB, Zhang SM, Shrubsole MJ, Ness RM, Seidner DL, Dai Q. Magnesium, vitamin D status and mortality: results from US National Health and Nutrition Examination Survey (NHANES) 2001 to 2006 and NHANES III. BMC Med 2013;11:187.
- Cashman KD, Dowling KG, Skrabakova Z, Gonzalez-Gross M, Valtuena J, De Henauw S, Moreno L, Damsgaard CT, Michaelsen KF, Molgaard C, Jorde R, Grimnes G, Moschonis G, Mavrogianni C, Manios Y, Thamm M, Mensink GB, Rabenberg M, Busch MA, Cox L, Meadows S, Goldberg G, Prentice A, Dekker JM, Nijpels G, Pilz S, Swart KM, van Schoor NM, Lips P, Eiriksdottir G, Gudnason V, Cotch MF, Koskinen S, Lamberg-Allardt C, Durazo-Arvizu RA, Sempos CT, Kiely M. Vitamin D deficiency in Europe: pandemic? Am J Clin Nutr 2016;103:1033-44. https://doi.org/10.3945/ajcn.115.120873
- Cho YG, Kang JH, Kim KA. Comparison of bioelectrical impedance analysis with dual energy X-ray absorptiometry in obese women. Korean J Obes 2007;16:50-7.
- Lim S. Various methods of analysing body composition. Korean J Obes 2010;19:155-8.
- Marra M, Sammarco R, De Lorenzo A, Iellamo F, Siervo M, Pietrobelli A, Donini LM, Santarpia L, Cataldi M, Pasanisi F, Contaldo F. Assessment of body composition in health and disease using bioelectrical impedance analysis (BIA) and dual energy X-ray absorptiometry (DXA): a critical overview. Contrast Media Mol Imaging 2019;2019:3548284.
- Lim S. Utility of bioelectrical impedance analysis for body composition assessment. J Korean Diabetes 2022;23:106-12. https://doi.org/10.4093/jkd.2022.23.2.106
- Chang CI, Chen CY, Huang KC, Wu CH, Hsiung CA, Hsu CC, Chen CY. Comparison of three BIA muscle indices for sarcopenia screening in old adults. Eur Geriatr Med 2013;4:145-9. https://doi.org/10.1016/j.eurger.2012.11.008
- Van Roie E, Verschueren SM, Boonen S, Bogaerts A, Kennis E, Coudyzer W, Delecluse C. Force-velocity characteristics of the knee extensors: an indication of the risk for physical frailty in elderly women. Arch Phys Med Rehabil 2011;92:1827-32. https://doi.org/10.1016/j.apmr.2011.05.022
- Chanet A, Verlaan S, Salles J, Giraudet C, Patrac V, Pidou V, Pouyet C, Hafnaoui N, Blot A, Cano N, Farigon N, Bongers A, Jourdan M, Luiking Y, Walrand S, Boirie Y. Supplementing breakfast with a vitamin D and leucine-enriched whey protein medical nutrition drink enhances postprandial muscle protein synthesis and muscle mass in healthy older men. J Nutr 2017;147:2262-71. https://doi.org/10.3945/jn.117.252510
- Oh B, Cho B, Choi HC, Son KY, Park SM, Chun S, Cho SI. The influence of lower-extremity function in elderly individuals' quality of life (QOL): an analysis of the correlation between SPPB and EQ-5D. Arch Gerontol Geriatr 2014;58:278-82. https://doi.org/10.1016/j.archger.2013.10.008
- Ministry of Health and Welfare; The Korean Nutrition Society. Dietary reference intakes for Koreans 2015. Sejong: Ministry of Health and Welfare; 2016.
- Na W, Oh D, Hwang S, Chung B, Sohn C. Association between sarcopenia and energy and protein intakes in community-dwelling elderly. Korean J Community Nutr 2022;27:286-95. https://doi.org/10.5720/kjcn.2022.27.4.286