HOME >> MEDICINE >> NEWS
Declines in exercise capacity may be due to lack of training, not just age

Older people generally have to work harder than younger people to walk as fast or do other exercise, but some of the difference may be due to reduced exercise efficiency, which can be reversed with training, according to a new study in the Mar. 7, 2006, issue of the Journal of the American College of Cardiology.

"Older subjects are less efficient than younger subjects. This inefficiency can be reversed by aerobic exercise training," said Wayne C. Levy, M.D., F.A.C.C. from the University of Washington in Seattle.

"It is well known that aging is associated with reduced exercise capacity. What is less appreciated is that older subjects have an additional impairment in exercise capacity due to exercise inefficiency. For example, the older subjects used about 20 percent more oxygen to walk at 3.5 miles an hour than the younger subjects. Thus, the older subject walking at 3 miles per hour and the younger subject walking at 3.5 miles per hour used the same amount of oxygen. With training, this disparity with aging was abolished," he added.

The researchers from the University of Washington and the Veterans Affairs Puget Sound Health Care System in Seattle, including lead author J. Susie Woo, M.D., compared participants in their 20s to early 30s (15 women and 12 men) to those in their mid-60s to late 70s (16 women and 18 men).

Before training, the younger participants had a much higher exercise capacity, as shown by a peak oxygen consumption (delivery of oxygen to exercising muscle) that was 42 percent higher. Younger participants also didn't have to work as hard and were 8 percent more efficient than the older participants.

Then all the participants were entered into a supervised aerobic exercise program. Three times per week they walked or jogged, bicycled, and stretched, doing each for 30 minutes during a 90-minute workout session.

After three to six months, the older subjects on average boosted their peak work output by 29
'"/>

Contact: Amy Murphy
amurphy@acc.org
301-581-3476
American College of Cardiology
7-Mar-2006


Page: 1 2 3 4

Related medicine news :

1. Traditional Chinese exercises may increase efficacy of flu vaccine
2. Even low levels of weekly exercise drive down blood pressure
3. Some women benefit more from exercise when emphasis is on health, not appearance
4. Strengthening exercises may slow progression of ALS
5. Research shows aerobic exercise helps maintain muscle in elderly
6. Study finds role of mid-brain in integrating heart and respiratory response to exercise
7. NISTs stretching exercises shed new light on nanotubes
8. Task force recommends greater use of exercise testing in chronic disease
9. USC-led study suggests exercise reduces risk of developing invasive breast cancer
10. What prevents doctors from counseling their patients to lose weight, exercise and quit smoking?
11. Does endurance exercise promote life-threatening changes in athletes hearts?

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:10/13/2017)... (PRWEB) , ... October 13, 2017 , ... Ellevate Network, ... in business to advocate for action towards gender equality at their inaugural Summit in ... around the globe, and reached a social audience of over 3 million. To watch ...
(Date:10/13/2017)... ... , ... Yisrayl Hawkins, Pastor and Overseer at The House of Yahweh, has ... least understood books in the Holy Scriptures, Revelation. The Book of Revelation paints a ... centuries. Many have tossed it off as mere rubbish, but Yisrayl Hawkins says that ...
(Date:10/13/2017)... ... October 13, 2017 , ... Coveros, ... Development, has been awarded a contract by the Center for Medicare and Medicaid ... to accelerate the enterprise use of Agile methodologies in a consistent and high ...
(Date:10/13/2017)... ... ... On The Brink”: the Christian history of the United States and the loss of ... William Nowers. Captain Nowers and his wife, Millie, have six children, ten grandchildren, ... Navy. Following his career as a naval aviator and carrier pilot, he spent ...
(Date:10/12/2017)... ... October 12, 2017 , ... ... sleep apnea using cutting-edge Oventus O2Vent technology. As many as 18 ... characterized by frequent cessation in breathing. Oral appliances can offer significant relief to ...
Breaking Medicine News(10 mins):
(Date:10/11/2017)... Holdings, Inc. ("Hill-Rom") (NYSE: HRC), today provided an update ... Puerto Rico , where the company manufactures ... Following a comprehensive onsite assessment, the ... temporary loss of power and minimal water damage due ... have resumed, and the company expects to return to ...
(Date:10/4/2017)... , Oct. 4, 2017  South Korean-based healthcare ... CPR training aide "cprCUBE" on Kickstarter. The device will ... during cardiac arrests with better efficiency compared to the ... offers real-time feedback on efficacy of the compression for ... campaign has a goal to raise $5,000. ...
(Date:10/2/2017)... Fla. , Oct. 2, 2017  AllianceRx Walgreens ... company formed by Walgreens and pharmacy benefit manager Prime ... its new brand, which included the unveiling of new ... , as well as at a few other ... the new brand to patients, some of whom will ...
Breaking Medicine Technology:
Cached News: