You are planning an educational session on osteoporosis to be given at a senior center. Which of the following should be discussed as preventive measures for osteoporosis?

Including isometric exercise for at least 30 minutes three times per week

Having a yearly dual-energy X-ray absorptiometry DXA (or DEXA) scan

Following a diet with adequate amounts of calcium and vitamin D

Increasing the intake of beverages containing phosphorus