Abstract
Objective: Dynapenia is the age-associated loss of muscle strength without neurological or muscular disease. It is associated with physical dependence, low physical performance, falls, cognitive impairment and increased mortality in the elderly. Obesity incidence increases rapidly in the elderly, but in the literature, there are limited studies on dynapenic obesity and its complications. We aimed to determine the frequency of dynapenia in elderly obese patients, examine the effect of dynapenic obesity on the functionality and the nutritional state and increase awareness of dynapenic obesity.
 Materials and Methods:177 obese elderly admitted to geriatrics and endocrinology clinics divided into two groups as dynapenic or non-dynapenic according to last diagnostic criteria, depending on handgrip strength. Demographic and laboratory data, Activities of daily living, Instrumental Activities of Daily-Living, Mini-Nutritional Assessment, body mass index, and handgrip strength were also investigated. Differences between the two groups were analysed by the SPSS 20.0 program.
 Results: 17.5% of the subjects had dynapenia. Dynapenic elderly were older (p=0.028), had lower mini-nutritional test scores (p= 0.009), activities of daily living (p=0.007), instrumental activities of daily living (p <0.001), creatinine levels (p=0.023), and albumin levels (p=0.049).
 Conclusion: Dynapenic obese patients have a higher risk of disability and malnutrition than obese patients. Realising the natural history of patients with dynapenia and obesity is critically needed.
Highlights
Ageing is characterised by progressive and broadly predictable changes that are associated with increased susceptibility to many diseases
This study consisted of 177 obese patients aged over 65 years who applied to the geriatrics clinic of Ankara University and endocrinology and metabolism clinic of Yildirim Beyazit University
The mean age of the patients in the dynapenic obesity’ (DO) group was 74.16±3.52 while it was 72.46±5.00 in the non-dynapenic obese (NDO) group
Summary
Ageing is characterised by progressive and broadly predictable changes that are associated with increased susceptibility to many diseases. One third or more of U.S adults aged 60 years and older have body weights in the obese range; obesity is increasingly becoming a global health challenge [1]. By ageing, muscle mass decreases about 30 to 50 percent in both men and women. Measures of sarcopenia and dynapenia are increasingly being investigated as predictors of functional decline and health outcomes in studies of older adults [9]. Dynapenia can be readily measured using grip dynamometry, which is low in cost, and commonly available in clinical settings. This age-related decline in muscle strength and muscle mass has been accompanied by increasing obesity in older adults globally [11]. We aimed to determine the frequency of dynapenia in geriatric obese patients, examine the effect of DO on the functionality and the nutritional state and increase awareness of DO
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