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Running more beneficial for bones than resistance training.



Byline: ANI

Washington, Feb 28 (ANI): High-impact activities like running are better than resistance training in making bones strong, according to according to
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1. As stated or indicated by; on the authority of: according to historians.

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 University of Missouri researchers.

Resistance training often is recommended to increase and prevent loss of bone mineral density bone mineral density
n.
See bone density.


bone mineral density A measurement of bone mass, expressed as the amount of mineral–in grams divided by the area scanned in cm2. See Bone densitometry.
 (BMD BMD

In currencies, this is the abbreviation for the Bermudian Dollar.

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), despite earlier studies produced varied results.

In the new study, the researchers found that running might have a greater positive effect on BMD than resistance training.

"The results of the study confirm that both resistance training and high-impact endurance activities increase bone mineral density. However, high-impact sports, like running, appear to have a greater beneficial effect," said Pam Hinton, an associate professor in the Department of Nutrition and Exercise Physiology in the MU College of Human Environmental Sciences.

The researchers said that the true effects of weight-bearing or resistance exercise are only apparent when controlling for differences in body weight or composition.

Hinton claimed that people who primarily performed non weight-bearing activities would benefit from resistance training that increases lean body mass.

On the other hand, those who engage in activities like cycling, swimming, or rowing should add bone-strengthening activities, such as resistance training or running, to their exercise regimens.

He said: "Exercise programs to increase bone strength should be designed using what is known about how bones respond to exercise. Only the skeletal sites that experience increased stress from exercise will become stronger. For example, performing upper body resistance exercises will not increase bone mineral density of the hips."

He added: "The response of bone to loading is determined by the magnitude of the force, and the rate and direction(s) at which it is applied. Therefore, high-impact, dynamic, multi-directional activities, including structured jump-training (plyometrics Plyometrics is a type of exercise that utilizes a rapid eccentric movement, followed by a short amortization phase, and then followed by an explosive concentric movement, which enables the synergistic muscles to engage in the myotatic-stretch reflex during the stretch-shortening ), result in greater gains in bone strength. Playing basketball, volleyball, or soccer are also good options."

The scientists determined the effects of long-term running, cycling, and resistance training on whole-body and regional BMD, keeping in mind the effects of body weight and composition, in men ages 19 to 45.

They adjusted for differences in lean body mass, and found that runners had greater spine BMD than cyclists This is an incomplete list. Please add to this list if you are aware of an omission. This is a list of cyclists by decade. Cyclists by decade
Cyclists before the 1880s
  • James Moore
Cyclists of the 1880s
  • Frank Bowden
.

Hinton said that lean body mass was positively linked with BMD in both resistance-trained individuals and cyclists, but not in runners. Therefore, said the researcher, high-impact activity might score over the benefits of lean body mass on BMD.

The study, "Lean body mass and weight-bearing activity in the prediction of bone mineral density in physically active men," has been published in the Journal of Strength Conditioning. (ANI)

Copyright 2009 Asian News International The Asian News International (ANI) agency provides multimedia news to China and 50 bureaus in India. It covers virtually all of South Asia since its foundation and presently claims, on its official website, to be the leading South Asia-wide news agency.  (ANI) - All Rights Reserved.

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Publication:Asian News International
Date:Feb 28, 2009
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