The examinations of sex difference between frailty factor and site-specific muscle thickness in community-dwelling older adults under long-term care.

: Objective: In this study, we investigated sex differences in frail factors and site -specific muscle thickness. Methods: The subjects in the study were thirty-seven men and women issued with mild support required 1 to needs nursing care 2. They were classified into 22 men and 15 women. Kihon checklist was used to evaluate frailty. Muscle thickness of six regions of the body, as well as body height, body weight, body mass index (BMI) were measured. Results: The tendency to be housebound was higher in men than in women. The muscle thickness of the anterior thigh, anterior upper arm, posterior upper arm, and anterior lower legs were significantly lower in women than in men. Conclusion: The results of this study revealed that the prevention of frailty while consider-ing the characteristics of sex differences are expected to be practiced.