1.aged ≥18 years and \<80 years 2.eGFR\<60ml/min/1.73m2 or had received maintenance dialysis for at least 3 months.
You may not be if
1.Patients with neuromuscular diseases: such as muscular dystrophy, amyotrophic lateral sclerosis, spinal cord injury, stroke, and myasthenia gravis; 2.Patients with neurodegenerative diseases: such as Alzheimer's disease, Parkinson's disease and Huntington's disease; 3.patients with advanced malignant tumors; 4.Patients with acute infectious diseases in the past 3 months; 5. Patients with serious cardiovascular or cerebrovascular disease; 6.Moderate to severe edema; 7.Patients with rheumatoid arthritis, multiple sclerosis, or acute gout that limit joint mobility; 8.Pregnant ; 9.Patients identified to be unsuitable for enrollment by the study physician
