Featured Research

from universities, journals, and other organizations

Why interval walking training is better than continuous walking training

Date:
August 4, 2014
Source:
Diabetologia
Summary:
Training with alternating levels of walking intensity could be better than walking at a constant speed to help manage blood sugar in people with type 2 diabetes, research shows. The effects of exercise on blood sugar (glycaemic) control in individuals with type 2 diabetes are well documented but the optimal exercise intensity and type remains to be defined. Traditionally, high-intensity exercise has not been recommended for individuals with type 2 diabetes due to a fear of inducing injuries and discouraging patients from continuing with the exercise program.

New research published in Diabetologia (the journal of the European Association for the Study of Diabetes) suggests that training with alternating levels of walking intensity (interval training) could be better than walking at a constant speed to help manage blood sugar in people with type 2 diabetes. The research is by Dr Thomas Solomon, University of Copenhagen, Denmark, and colleagues.

Related Articles


The effects of exercise on blood sugar (glycaemic) control in individuals with type 2 diabetes are well documented but the optimal exercise intensity and type remains to be defined. Traditionally, high-intensity exercise has not been recommended for individuals with type 2 diabetes due to a fear of inducing injuries and discouraging patients from continuing with the exercise program. Nevertheless, high-intensity exercise improves glycaemic control more than low-intensity exercise.

In other research by these same authors, it has been shown that interval-walking training (IWT), (where the intensity of the training alternates), more favourably improves glycaemic control in people with type 2 diabetes when compared to continuous-walking training (CWT) matched to have the same overall energy expenditure. In this new study, the authors analyse the potential mechanisms behind this effect.

Individuals with type 2 diabetes were randomised to 3 groups: a control group (CON), an IWT group and an energy-expenditure matched CWT group. Training groups were prescribed highly standardised but free-living and unsupervised training, five sessions per week (60 min/session). A hyperglycaemic clamp was used to measure insulin secretion (a standard method whereby glucose is infused at a constant rate and then used to work out how much insulin is being produced). Glucose isotope tracers were infused to measure glucose metabolism, and skeletal muscle biopsies were taken to assess insulin signalling. These variables were measured before and after a 4-month intervention.

The researchers found that improved blood sugar control was only evident in the IWT group, and this was likely to be caused by IWT-induced increases in insulin sensitivity and increased peripheral glucose disposal, indicative of improved glucose metabolism No changes occurred in the CWT or CON groups. Furthermore, only IWT improved insulin signalling in skeletal muscle.

The authors conclude: "The most important finding of this study is that IWT, but not CWT, increased insulin sensitivity without a compensatory decrease in insulin secretion, thus improving the overall impact of insulin on blood sugar in these patients."

They add: "Whether these beneficial effects of IWT continue and result in better health outcomes in the long term must be determined in order to justify the clinical utility of interval training for people with type 2 diabetes."


Story Source:

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


Journal Reference:

  1. Kristian Karstoft et al. Mechanisms behind the superior effects of interval vs continuous training on glycaemic control in individuals with type 2 diabetes: a randomised controlled trial. Diabetologia, August 2014 DOI: 10.1007/s00125-014-3334-5

Cite This Page:

Diabetologia. "Why interval walking training is better than continuous walking training." ScienceDaily. ScienceDaily, 4 August 2014. <www.sciencedaily.com/releases/2014/08/140804202138.htm>.
Diabetologia. (2014, August 4). Why interval walking training is better than continuous walking training. ScienceDaily. Retrieved November 26, 2014 from www.sciencedaily.com/releases/2014/08/140804202138.htm
Diabetologia. "Why interval walking training is better than continuous walking training." ScienceDaily. www.sciencedaily.com/releases/2014/08/140804202138.htm (accessed November 26, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Wednesday, November 26, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com
Madagascar Working to Contain Plague Outbreak

Madagascar Working to Contain Plague Outbreak

AFP (Nov. 24, 2014) Madagascar said Monday it is trying to contain an outbreak of plague -- similar to the Black Death that swept Medieval Europe -- that has killed 40 people and is spreading to the capital Antananarivo. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Are Female Bosses More Likely To Be Depressed?

Are Female Bosses More Likely To Be Depressed?

Newsy (Nov. 24, 2014) A new study links greater authority with increased depressive symptoms among women in the workplace. 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:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

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