Proper exercise for the elderly can promote calcium absorption

　　As we all know, calcium is an important nutrient for the skeletal system. More than 99% of the calcium in the human body is found in bones. Exercise can promote the absorption, utilization and deposition of calcium in bones, and has a positive preventive and therapeutic effect on osteoporosis. Regular outdoor exercise can also receive sufficient sunlight, which can increase the concentration of vitamin D in the body and improve gastrointestinal function and calcium and phosphorus metabolism. This further promotes calcium absorption in the body. Appropriate exercise can also enhance people's appetite, promote gastrointestinal motility and digestive function, increase the absorption rate of calcium and other nutrients, and promote bone calcification.

　　In addition, exercise can increase the blood flow of the bone cortex, which is beneficial to the blood transport of calcium ions into the bones and the transformation of osteoclasts into osteoblasts to promote bone formation.

　　However, experts remind elderly friends that they need to pay attention to some details during exercise to prevent unnecessary bone damage. For example, it is best to do ten minutes of warm-up exercise before exercise and a few minutes of cool-down exercise after exercise. ； Not in the gut disease During seizures or when body temperature rises exercise , and do not exercise when the infectious disease or trauma has not healed. At the same time, it is best to choose shoes that fit and are comfortable when exercising and choose an appropriate sports venue. If you experience dizziness, chest pain, palpitations, pale face, or night sweats before or during exercise, you should stop exercising immediately.