Hand cramps in the elderly: 1. The most common causes are muscle spasms and calcium deficiency.2. Muscle spasms, such as cold or poor blood circulation around the body, can cause cramps.3. With age, the activity of osteoclasts in the elderly will gradually increase, which will lead to osteoporosis and a lack of calcium, which can easily lead to cramps in hands and feet, and can be assessed by blood tests and checking bone density and other relevant indicators. The condition can be assessed through blood tests and bone density examinations. For the elderly, it is necessary to take calcium supplements and osteotriol to prevent osteoporosis. If there is no relief within a short period of time, it is important to go to a regular hospital.