Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Just 30 minutes exercise a day could reduce deaths from heart disease

01.02.2005


Currently around one in five menopausal women die from heart disease. But according to new research by exercise scientists at Liverpool John Moores University (LJMU), this shocking statistic could be reversed if women took just 30 minutes exercise, five days a week. The findings are based on the initial results of a 12-month study of 24 60-year-old postmenopausal women.



Professor Tim Cable, Director of LJMU’s School of Sports and Exercise Sciences explained: “In the same way that we need to think about a pension plan, women need to need to invest in their health and fitness now to ensure a real quality of life in later years. 2005 could be the time to start this action plan.”

The study was designed so that the scientists could assess the effects of well-defined aerobic exercise on the women’s cardiovascular system. No other research project has looked at so many different aspects at the same time – from changes in body composition to the performance of the heart and the supply of blood to the muscles and skin of the arms and legs.


Before starting the exercise programme, each of the women volunteers had their bone density measured along with the amount of muscle and fat in their bodies. Next their physical fitness, blood pressure and heart pumping capacity were measured while they were exercising on a treadmill.

An ultrasound technique – Echocardiography – was used to measure the size of the chambers and the thickness of the muscular walls of the heart. Then the movement of blood through the large elastic arteries into the smaller blood vessels found in the muscles and skin of the limbs was monitored.

Dr Keith George, Reader in Cardiovascular Physiology, said: “The volunteers have been terrific, with their enthusiasm and commitment to complete the programme and get themselves much fitter. Most of the ladies have not undertaken any significant exercise since leaving school some 45 years earlier and it would have been so easy for them to give up because of insufficient time or other pressing commitments.”

This series of tests was repeated every three months to determine the impact of the exercise programme and to determine which part of the body was benefiting most. The exercise sessions involved walking and cycling to meet individually established heart rate targets for 30 min a day, 5 days a week. The initial level of exercise was set deliberately low to avoid any injuries before being built up in controlled stages as the study progressed to challenge their bodies.

A very clear sequence of beneficial changes quickly became apparent as the exercise programme went on. After only a short time the women felt mentally and physically much better and this improved sense of well-being was backed up by increases in their measured levels of fitness.

Professor Tim Cable explained: “Although we expected to find improvements in blood flow to the limbs before changes developed in the heart, we were extremely surprised to find how little exercise was required to improve the flow of blood to the muscles and skin of the arms.”

With 2 months left in the research programme, Professor Cable predicts even greater benefits. “We expect to see improvements in the performance of the heart itself. Like most scientific research this study has raised as many questions as answers, and they will keep us busy in the future if we can obtain the right sponsorship.”

Professor Tim Cable | alfa
Further information:
http://www.livjm.ac.uk

More articles from Health and Medicine:

nachricht Study tracks inner workings of the brain with new biosensor
16.08.2018 | Rheinische Friedrich-Wilhelms-Universität Bonn

nachricht Foods of the future
15.08.2018 | Georg-August-Universität Göttingen

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: It’s All in the Mix: Jülich Researchers are Developing Fast-Charging Solid-State Batteries

There are currently great hopes for solid-state batteries. They contain no liquid parts that could leak or catch fire. For this reason, they do not require cooling and are considered to be much safer, more reliable, and longer lasting than traditional lithium-ion batteries. Jülich scientists have now introduced a new concept that allows currents up to ten times greater during charging and discharging than previously described in the literature. The improvement was achieved by a “clever” choice of materials with a focus on consistently good compatibility. All components were made from phosphate compounds, which are well matched both chemically and mechanically.

The low current is considered one of the biggest hurdles in the development of solid-state batteries. It is the reason why the batteries take a relatively long...

Im Focus: Color effects from transparent 3D-printed nanostructures

New design tool automatically creates nanostructure 3D-print templates for user-given colors
Scientists present work at prestigious SIGGRAPH conference

Most of the objects we see are colored by pigments, but using pigments has disadvantages: such colors can fade, industrial pigments are often toxic, and...

Im Focus: Unraveling the nature of 'whistlers' from space in the lab

A new study sheds light on how ultralow frequency radio waves and plasmas interact

Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...

Im Focus: New interactive machine learning tool makes car designs more aerodynamic

Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.

When engineers or designers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model...

Im Focus: Robots as 'pump attendants': TU Graz develops robot-controlled rapid charging system for e-vehicles

Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.

Global demand for electric vehicles is forecast to rise sharply: by 2025, the number of new vehicle registrations is expected to reach 25 million per year....

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

LaserForum 2018 deals with 3D production of components

17.08.2018 | Event News

Within reach of the Universe

08.08.2018 | Event News

A journey through the history of microscopy – new exhibition opens at the MDC

27.07.2018 | Event News

 
Latest News

Quantum bugs, meet your new swatter

20.08.2018 | Information Technology

A novel synthetic antibody enables conditional “protein knockdown” in vertebrates

20.08.2018 | Life Sciences

Metamolds: Molding a mold

20.08.2018 | Information Technology

VideoLinks
Science & Research
Overview of more VideoLinks >>>