[1] McKhann GM, Knopman DS, Chertkow H, et al. The diagnosis of dementia due to Alzheimer's disease: recommendations from the National Institute on Aging-Alzheimer's Association workgroups on diagnostic guidelines for Alzheimer's disease. Alzheimers Dement, 2011; 7, 263−9. doi:  10.1016/j.jalz.2011.03.005
[2] Alzheimer’s Disease International. World alzheimer report 2018.https://www.alz.co.uk/research/world-report-2018. [2020-05-01].
[3] Tai PG, Yang SS, Liu WG, et al. Association of anthropometric and nutrition status indicators with cognitive functions in centenarians. Clinical Nutrition, 2021; 40, 2252−8. doi:  10.1016/j.clnu.2020.10.004
[4] Baumgart M, Snyder HM, Carrillo MC, et al. Summary of the evidence on modifiable risk factors for cognitive decline and dementia: A population-based perspective. Alzheimers Dement, 2015; 11, 718−26. doi:  10.1016/j.jalz.2015.05.016
[5] Cruz-Jentoft AJ, Sayer AA. Sarcopenia. Lancet, 2019; 393, 2636−46. doi:  10.1016/S0140-6736(19)31138-9
[6] Wang CY, Bai L. Sarcopenia in the elderly: basic and clinical issues. Geriatr Gerontol Int, 2012; 12, 388−96. doi:  10.1111/j.1447-0594.2012.00851.x
[7] Landi F, Liperoti R, Russo A, et al. Sarcopenia as a risk factor for falls in elderly individuals: results from the ilSIRENTE study. Clin Nutr, 2012; 31, 652−8. doi:  10.1016/j.clnu.2012.02.007
[8] Landi F, Cruz-Jentoft AJ, Liperoti R, et al. Sarcopenia and mortality risk in frail older persons aged 80 years and older: results from ilSIRENTE study. Age Ageing, 2013; 42, 203−9. doi:  10.1093/ageing/afs194
[9] Arango-Lopera VE, Arroyo P, Gutiérrez-Robledo LM, et al. Prevalence of sarcopenia in Mexico City. Eur Geriatr Med, 2012; 3, 157−60. doi:  10.1016/j.eurger.2011.12.001
[10] Basile G, Sardella A. From cognitive to motor impairment and from sarcopenia to cognitive impairment: a bidirectional pathway towards frailty and disability. Aging Clin Exp Res, 2021; 33, 469−78. doi:  10.1007/s40520-020-01550-y
[11] Chang KV, Hsu TH, Wu WT, et al. Association between Sarcopenia and cognitive impairment: a systematic review and meta-analysis. J Am Med Dir Assoc, 2016; 17, 1164.e7−15. doi:  10.1016/j.jamda.2016.09.013
[12] Kohara K, Okada Y, Ochi M, et al. Muscle mass decline, arterial stiffness, white matter hyperintensity, and cognitive impairment: Japan shimanami health promoting program study. J Cachexia Sarcopenia Muscle, 2017; 8, 557−66. doi:  10.1002/jcsm.12195
[13] Pasco JA, Williams LJ, Jacka FN, et al. Sarcopenia and the common mental disorders: a potential regulatory role of skeletal muscle on Brain function? Curr Osteoporos Rep, 2015; 13, 351-7.
[14] Barbosa-Silva TG, Bielemann RM, Gonzalez MC, et al. Prevalence of sarcopenia among community-dwelling elderly of a medium-sized South American city: results of the COMO VAI? study. J Cachexia Sarcopenia Muscle, 2016; 7, 136−43. doi:  10.1002/jcsm.12049
[15] Pagotto V, Santos KFD, Malaquias SG, et al. Calf circumference: clinical validation for evaluation of muscle mass in the elderly. Rev Bras Enferm, 2018; 71, 322−8. doi:  10.1590/0034-7167-2017-0121
[16] Peng TC, Chen WL, Wu LW, et al. Sarcopenia and cognitive impairment: a systematic review and meta-analysis. Clin Nutr, 2020; 39, 2695−701. doi:  10.1016/j.clnu.2019.12.014
[17] Da Silva Alexandre T, De Oliveira Duarte YA, Santos JLF, et al. Prevalence and associated factors of sarcopenia among elderly in Brazil: findings from the SABE study. J Nutr Health Aging, 2014; 18, 284−90. doi:  10.1007/s12603-013-0413-0
[18] Papachristou E, Ramsay SE, Lennon LT, et al. The relationships between body composition characteristics and cognitive functioning in a population-based sample of older British men. BMC Geriatr, 2015; 15, 172. doi:  10.1186/s12877-015-0169-y
[19] Maeda K, Akagi J. Cognitive impairment is independently associated with definitive and possible sarcopenia in hospitalized older adults: the prevalence and impact of comorbidities. Geriatr Gerontol Int, 2017; 17, 1048−56. doi:  10.1111/ggi.12825
[20] Nishiguchi S, Yamada M, Shirooka H, et al. Sarcopenia as a risk factor for cognitive deterioration in community-dwelling older adults: a 1-year prospective study. J Am Med Dir Assoc, 2016; 17, 372.e5−8. doi:  10.1016/j.jamda.2015.12.096
[21] Van Kan GA, Cesari M, Gillette-Guyonnet S, et al. Association of a 7-year percent change in fat mass and muscle mass with subsequent cognitive dysfunction: The EPIDOS-Toulouse cohort. J Cachex Sarcopenia Muscle, 2013; 4, 225−9. doi:  10.1007/s13539-013-0112-z
[22] Manrique-Espinoza B, Salinas-Rodríguez A, Rosas-Carrasco O, et al. Sarcopenia is associated with physical and mental components of health-related quality of life in older adults. J Am Med Dir Assoc, 2017; 18, 636.e1−5. doi:  10.1016/j.jamda.2017.04.005
[23] Fritz N, McCarthy CJ, Adamo DE. Handgrip strength as a means of monitoring progression of cognitive decline-a scoping review. Ageing Res Rev, 2017; 35, 112−23. doi:  10.1016/j.arr.2017.01.004
[24] Carson RG. Get a grip: individual variations in grip strength are a marker of brain health. Neurobiol Aging, 2018; 71, 189−222. doi:  10.1016/j.neurobiolaging.2018.07.023
[25] Liu XY, Li L, Xiao JQ, et al. Cognitive training in older adults with mild cognitive impairment. Biomed Environ Sci, 2016; 29, 356−64.
[26] Song QF, Liu XX, Hu WN, et al. Night sleep duration and risk of cognitive impairment in a Chinese population: a cross-sectional study. Biomed Environ Sci, 2017; 30, 749−57.
[27] Lv YB, Zhu PF, Yin ZX, et al. A u-shaped association between blood pressure and cognitive impairment in Chinese elderly. J Am Med Dir Assoc, 2017; 18, 193.e7−13. doi:  10.1016/j.jamda.2016.11.011
[28] Ishii S, Tanaka T, Shibasaki K, et al. Development of a simple screening test for sarcopenia in older adults. Geriatr Gerontol Int, 2014; 14, 93−101. doi:  10.1111/ggi.12197
[29] Celis-Morales CA, Welsh P, Lyall DM, et al. Associations of grip strength with cardiovascular, respiratory, and cancer outcomes and all cause mortality: prospective cohort study of half a million UK Biobank participants. BMJ, 2018; 361, k1651.
[30] Yates T, Zaccardi F, Dhalwani NN, et al. Association of walking pace and handgrip strength with all-cause, cardiovascular, and cancer mortality: a UK Biobank observational study. Eur Heart J, 2017; 38, 3232−40. doi:  10.1093/eurheartj/ehx449
[31] Yang M, Hu XY, Xie LL, et al. Screening sarcopenia in community-dwelling older adults: SARC-F vs SARC-F Combined with Calf Circumference (SARC-CalF). J Am Med Dir Assoc, 2018; 19, 277.e1−8. doi:  10.1016/j.jamda.2017.12.016
[32] Kim SK, Choi YJ, Huh BW, et al. Ratio of waist-to-calf circumference and carotid atherosclerosis in Korean patients with type 2 diabetes. Diabetes Care, 2011; 34, 2067−71. doi:  10.2337/dc11-0743
[33] Chen C, Lu FC, Department of Disease Control Ministry of Health, PR China. The guidelines for prevention and control of overweight and obesity in Chinese adults. Biomed Environ Sci, 2004; 17 Suppl, 1−36.
[34] Liu SH, Writing Group of 2010 Chinese Guidelines for the Management of Hypertension. 2010 Chinese guidelines for the management of hypertension. Chin J Cardiol, 2011; 39, 579­615. (In Chinese)
[35] Ministry of Health of the People's Republic of China. Criteria for the screening and diagnosis of diabetes mellitus: WS 397-2012. Beijing: Standards Press of China, 2013. (In Chinese)
[36] Tolea MI, Galvin JE. Sarcopenia and impairment in cognitive and physical performance. Clin Interv Aging, 2015; 10, 663−71.
[37] Abellan van Kan G, Cesari M, Gillette-Guyonnet S, et al. Sarcopenia and cognitive impairment in elderly women: results from the EPIDOS cohort. Age Ageing, 2013; 42, 196–202.
[38] Kim M, Won CW. Sarcopenia is associated with cognitive impairment mainly due to slow gait speed: results from the Korean Frailty and Aging Cohort Study (KFACS). Int J Environ Res Public Health, 2019; 16, 1491. doi:  10.3390/ijerph16091491
[39] Kalyani RR, Corriere M, Ferrucci L, et al. Age-related and disease-related muscle loss: the effect of diabetes, obesity, and other diseases. Lancet Diabetes Endocrinol, 2014; 2, 819−29. doi:  10.1016/S2213-8587(14)70034-8
[40] Fava A, Colica C, Plastino M, et al. Cognitive impairment is correlated with insulin resistance degree: the "PA-NICO-study". Metab Brain Dis, 2017; 32, 799−810. doi:  10.1007/s11011-017-9977-4
[41] Lee J, Kim J, Shin SA, et al. Moderating effect of insulin resistance on the relationship between gray matter volumes and cognitive function. J Clin Med, 2018; 7, 413. doi:  10.3390/jcm7110413
[42] Kim JK, Choi SR, Choi MJ, et al. Prevalence of and factors associated with sarcopenia in elderly patients with end-stage renal disease. Clin Nutr, 2014; 33, 64−8. doi:  10.1016/j.clnu.2013.04.002
[43] Kanoski SE, Davidson TL. Western diet consumption and cognitive impairment: links to hippocampal dysfunction and obesity. Physiol Behav, 2011; 103, 59−68. doi:  10.1016/j.physbeh.2010.12.003
[44] Boyle PA, Buchman AS, Wilson RS, et al. Physical frailty is associated with incident mild cognitive impairment in community-based older persons. J Am Geriatr Soc, 2010; 58, 248−55. doi:  10.1111/j.1532-5415.2009.02671.x
[45] Rijk JM, Roos PR, Deckx L, et al. Prognostic value of handgrip strength in people aged 60 years and older: a systematic review and metaanalysis. Geriatr Gerontol Int, 2016; 16, 5−20. doi:  10.1111/ggi.12508
[46] Björk MP, Johansson B, Hassing LB. I forgot when I lost my grip-strong associations between cognition and grip strength in level of performance and change across time in relation to impending death. Neurobiol Aging, 2016; 38, 68−72. doi:  10.1016/j.neurobiolaging.2015.11.010
[47] Kim KH, Park SK, Lee DR, et al. The relationship between handgrip strength and cognitive function in elderly Koreans over 8 years: a prospective population-based study using Korean longitudinal study of ageing. Korean J Fam Med, 2019; 40, 9−15. doi:  10.4082/kjfm.17.0074
[48] Weaver JD, Huang MH, Albert M, et al. Interleukin-6 and risk of cognitive decline: MacArthur studies of successful aging. Neurology, 2002; 59, 371−8. doi:  10.1212/WNL.59.3.371
[49] Tsai ACH, Lai MC, Chang TL. Mid-arm and calf circumferences (MAC and CC) are better than body mass index (BMI) in predicting health status and mortality risk in institutionalized elderly Taiwanese. Arch Gerontol Geriatr, 2012; 54, 443−7. doi:  10.1016/j.archger.2011.05.015
[50] Ng TP, Feng L, Niti M, et al. Albumin, haemoglobin, BMI and cognitive performance in older adults. Age Ageing, 2008; 37, 423−9. doi:  10.1093/ageing/afn102
[51] Chen LK, Woo J, Assantachai P, et al. Asian working group for sarcopenia: 2019 consensus update on sarcopenia diagnosis and treatment. J Amer Med Direct Assoc, 2020; 21, 300−7.e2. doi:  10.1016/j.jamda.2019.12.012
[52] Kawakami R, Murakami H, Sanada K, et al. Calf circumference as a surrogate marker of muscle mass for diagnosing sarcopenia in Japanese men and women. Geriatr Gerontol Int, 2015; 15, 969−76. doi:  10.1111/ggi.12377
[53] Larsson L, Degens H, Li MS, et al. Sarcopenia: aging-related loss of muscle mass and function. Physiol Rev, 2019; 99, 427−511. doi:  10.1152/physrev.00061.2017
[54] Baldacci F, Lista S, Manca ML, et al. Age and sex impact plasma NFL and t-Tau trajectories in individuals with subjective memory complaints: a 3-year follow-up study. Alz Res Ther, 2020; 12, 147. doi:  10.1186/s13195-020-00704-4
[55] Huang CY, Hwang AC, Liu LK, et al. Association of dynapenia, sarcopenia, and cognitive impairment among community-dwelling older taiwanese. Rejuvenat Res, 2016; 19, 71−8. doi:  10.1089/rej.2015.1710
[56] Hsu YH, Liang CK, Chou MY, et al. Association of cognitive impairment, depressive symptoms and sarcopenia among healthy older men in the veterans retirement community in southern Taiwan: A cross-sectional study. Geriatr Gerontol Int, 2014; 14, 102−8. doi:  10.1111/ggi.12221
[57] Hao QK, Hu XY, Xie LL, et al. Prevalence of sarcopenia and associated factors in hospitalised older patients: a cross-sectional study. Australas J Ageing, 2018; 37, 62−7. doi:  10.1111/ajag.12492