Active cardiopulmonary disease(s) or uncontrolled hypertension with contraindications to resistance training

Physically or cognitively unable to participate in the resistance exercise program (e.g. dementia), as determined by the attending physician

Limitations of body measurements and interpretation using Bioelectrical Impedance Analysis (BIA) e.g. presence of pacemaker, surgical metal implants

Meets the definition of AKI or AKD, defined as alterations in kidney function within the past 3 months

Severe vitamin D deficiency (25-OH Vitamin D level \< 10 ng/mL)

Refuses to give consent to participate in the study

The Optimal Protein Intake to Enhance Muscle Mass in Elderly Patients With Pre-dialysis Chronic Kidney Disease