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Best Exercises to Prevent Osteoporosis

How to Prevent Bone Loss with Weight Training


Updated June 02, 2014

Close up of woman weight lifting at gym
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Updated June 02, 2014

Osteoporosis is a disease of the bones that affects men and women, especially women beyond menopause because estrogen helps to protect bone. In osteoporosis, the bones become brittle and weak and have a greater risk of fracture. The word osteoporosis means “porous bones,” where porous essentially means “full of holes” -- and that accurately describes the condition of osteoporotic bones.

Exercise Helps Prevent Osteoporosis

Exercise of the right type, called “weight-bearing” or “load-bearing” exercise,” helps keep bones strong by causing the muscles and tendons to pull on the bones, which in turn stimulates bone cells to produce more bone. The load on the bones can be created by your own bodyweight, as in running or jogging, or by external weights like dumbbells or gym machines in a weight training program.

In fact, studies suggest that the best exercise may not only be weight-bearing but also "high-impact" exercise. This means imparting a jolt to muscle and bone such as you would when placing a foot forcefully on the ground while running, or lifting or pushing a weight suddenly. Naturally, you have to ensure you do such exercise safely.

One measure of the health of bones is “bone mineral density” or BMD for short. A bone scan to assess BMD is a relatively simple procedure that is offered by medical practitioners.

Exercise Prevents Falls and Fractures Too

Although strong bones may help you prevent fractures if you fall, the best way to protect from fall fractures is not to fall in the first place! Balance and strength are the keys to fall protection. Appropriate exercise as we age -- such as weight training -- not only helps keep bones healthy, it protects against falls and fractures as well improving balance and strength.

Best Types of Exercise

All exercise benefits your general fitness. Weight-bearing exercise is best for strengthening bones. Here are some examples.
  • Running and jogging
  • Gymnastics
  • Aerobics class -- step, dance and pump aerobics
  • Weight lifting -- dumbbells, barbells, machines, body weight exercises
  • Team sports involving running and throwing -- basketball, football, baseball, softball, volleyball
  • Individual sports involving running -- racket sports
  • Walking (but less effective than running or jogging)

The least effective exercises for bones are:

  • Swimming or water aerobics
  • Cycling
  • Other minimal weight-bearing exercise activities

Bear in mind that running or leg-based exercise acts mainly on the lower body. And although much of the disabling effect of bone loss is felt in the hips and spine, exercising the upper-body with weight-bearing exercise is of equal importance. Broken wrists and arms from falls as we age is not uncommon.

Consider this note of caution about endurance running such as marathons, cross country and triathlons and other extreme exercise regimens: Extremes of exercise, mainly aerobic exercise, can negatively affect bone density in women by interfering with estrogen production when combined with an inadequate intake of calcium and total food energy. (Natural loss of estrogen is the main cause of bone loss in women after menopause.) For heavy exercisers and athletes, cessation of, or having irregular periods is a warning sign. Bone loss, disordered eating and abnormal periods is referred to as the “female athlete triad.” This need not occur if an appropriate training program and careful attention to diet and nutrition are incorporated in your schedule. Advice from a qualified sports nutritionist is worthwhile.

Nutrition and Exercise for Healthy Bones in Childhood and Adolescence

Much of the reserve of healthy bone is built in youth and before the age of 30. Women may be more susceptible to an inadequate foundation process at this time than men. Sufficient calcium intake, a balanced diet with plenty of fruit and vegetables and load-bearing exercise are the keys to solid bone growth when you’re young. Then, with continued exercise into old age –- and this goes for men as well -- bone density decline can be kept to a minimum. Although women are the main focus of information about osteoporosis and low bone density (osteopenia), some men are also seriously afflicted by this condition.

Even if you do all the right things while growing up and into adulthood, your inherited characteristics –- your genes -– can present you with bones that are susceptible to osteoporosis. This is even greater reason to maximize your lifestyle to prevent poor bone health.

How Much Calcium and Vitamin D Do I Need?

Calcium. The recommended intake of calcium for adults, men and women, 19 to 50 years is 1,000 milligrams each day, with higher amounts recommended for younger and older age groups and in pregnancy. A full list of recommended intakes is available from the National Institutes of Health Calcium Fact Sheet, in addition to additional valuable information on calcium in food and how to meet your requirements.

Athletes or heavy exercisers do not generally need more calcium than is recommended in the guidelines, or more than sedentary people. Exercise plus adequate calcium intake works together to enhance bone quality. A watchful attention to recommended calcium intake is all that is required.

Vitamin D. This vitamin works in concert with calcium to build bone. The recommended intake of vitamin D ranges from 200 to 600 international units each day from childhood to old age. Some experts say that this recommended intake is too low. As a consequence, the vitamin D standard is under review. The Vitamin D Fact Sheet provides more information. Particular attention is required in regions where sunlight is minimal or in ethnic cultures where full body clothing is worn, thus restricting sunlight, a major source of vitamin D.

Vitamin K. Found in green vegetables, it is also an important vitamin for bone development.

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