Featured Research

from universities, journals, and other organizations

Impact Of Exercise On Body Fat Is Different For Boys And Girls

Date:
March 30, 2007
Source:
BMJ Specialty Journals
Summary:
The impact of exercise on body fat differs for boys and girls, suggests recent research.

The impact of exercise on body fat differs for boys and girls, suggests research published ahead of print in the British Journal of Sports Medicine. Recommendations on exercise to curb the rising tide of obesity in children have tended to take a unisex approach, say the authors.

The findings are based on a random sample of 224 children aged between 7 and 10 at 12 schools in the Republic of Ireland. One in five children was overweight, and 6% were obese, figures which are significantly higher than those of other European countries, say the authors. More boys than girls were obese.

Cardiorespiratory fitness was measured in all the children, using a validated running test, and the amount of exercise taken over a period of four days assessed in 152. Boys exercised hard twice as often as girls. On average, they spent more than an hour a day, exercising vigorously. Girls spent just over half an hour a day. Running at 9 km per hour, or its equivalent, was classified as vigorous exercise.

Overall, all the children who scored well on measures of cardiorespiratory fitness were significantly leaner and had smaller waists than those whose fitness levels were poor. Waist size is important, say the authors, because midrift fat is associated with certain metabolic changes, which in turn are linked to poorer cardiovascular health.

Boys tended to be more physically fit than the girls. But the amount of hard exercise taken regularly had a direct impact only on the boys' weight. Unlike the girls, those boys who did the least hard exercise were the fattest. And those who led a predominantly sedentary lifestyle had the thickest waists.

The authors suggest that the current measure of body mass index (BMI) may be inadequate, by itself, to determine the extent of cardiovascular risk in children and adolescents.


Story Source:

The above story is based on materials provided by BMJ Specialty Journals. Note: Materials may be edited for content and length.


Cite This Page:

BMJ Specialty Journals. "Impact Of Exercise On Body Fat Is Different For Boys And Girls." ScienceDaily. ScienceDaily, 30 March 2007. <www.sciencedaily.com/releases/2007/03/070329075147.htm>.
BMJ Specialty Journals. (2007, March 30). Impact Of Exercise On Body Fat Is Different For Boys And Girls. ScienceDaily. Retrieved August 23, 2014 from www.sciencedaily.com/releases/2007/03/070329075147.htm
BMJ Specialty Journals. "Impact Of Exercise On Body Fat Is Different For Boys And Girls." ScienceDaily. www.sciencedaily.com/releases/2007/03/070329075147.htm (accessed August 23, 2014).

Share This




More Health & Medicine News

Saturday, August 23, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Drug Used To Treat 'Ebola's Cousin' Shows Promise

Drug Used To Treat 'Ebola's Cousin' Shows Promise

Newsy (Aug. 21, 2014) An experimental drug used to treat Marburg virus in rhesus monkeys could give new insight into a similar treatment for Ebola. Video provided by Newsy
Powered by NewsLook.com
Two US Ebola Patients Leave Hospital Free of the Disease

Two US Ebola Patients Leave Hospital Free of the Disease

AFP (Aug. 21, 2014) Two American missionaries who were sickened with Ebola while working in Liberia and were treated with an experimental drug are doing better and have left the hospital, doctors say on August 21, 2014. Duration: 01:05 Video provided by AFP
Powered by NewsLook.com
Cadavers, a Teen, and a Medical School Dream

Cadavers, a Teen, and a Medical School Dream

AP (Aug. 21, 2014) Contains graphic content. He's only 17. But Johntrell Bowles has wanted to be a doctor from a young age, despite the odds against him. He was recently the youngest participant in a cadaver program at the Indiana University NW medical school. (Aug. 21) Video provided by AP
Powered by NewsLook.com
American Ebola Patients Released: What Cured Them?

American Ebola Patients Released: What Cured Them?

Newsy (Aug. 21, 2014) It's unclear whether the American Ebola patients' recoveries can be attributed to an experimental drug or early detection and good medical care. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins