The Effects of Different Intensity Training on Strength and Mobility of Elderly

Inclusion Criteria: * Aged 65 years old and above. * Orientation to place, time, and person, able to follow the simple instructions, and perform the exercises. * Without any health problems that would interfere with their safety or ability to complete high and low-intensity training such as the occurrence of myocardial infarction in the past six months, recent heart attack, uncontrolled hypertension (Blood Pressure \>166/96 mm Hg), a broken leg in the past six months, diagnosed osteoporosis, and diagnosed stage three and four of heart failure. Exclusion Criteria: * Participation in regular balance or lower body resistance training during the past three months (at least twice per week). * The health issues that might confound the study results, including lower-body neuropathy, stroke within the past year, Parkinson's disease, diagnosed vestibular disorders, severe vision (self-rated vision as poor or very poor even when wearing glasses or contact lenses), and lower-extremity joint replacements. * Taking the regular medication's impairing balance ability (Antidepressants, Neuroleptics or Benzodiazepines) or muscle strength (Corticosteroids). * Elderly with dementia