Height is an important indicator of Body Mass Index (BMI) to assess nutritional status in elderly. BMI can be used to assess risk of Chronic Energy Deficiency (CED) and obesity. However, measurement of stature in elderly cannot be conducted perfectly due to kyphosis and scoliosis. It may be more appropriate to estimate stature from measurement of other skeletal segments such as knee height, arm span and sitting height. Aging process does not influence length of arm, leg (knee) and vertebral bone. Arm span is less influenced by aging. Reduction of arm span on elderly is slower than height, so...