Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


UGA researchers find caffeine reduces muscle pain during exercise


That cup of coffee in the morning does more than wake you up. It can also help you feel less pain during your morning workout.

That’s what researchers at the University of Georgia have found in a recent study exploring why muscles hurt during exercise. The research group previously learned that aspirin, though commonly used to treat muscle pain, did not reduce muscle pain produced by vigorous exercise.

"Muscle contractions produce a host of biochemicals that can stimulate pain. Aspirin blocks only one of those chemicals," said Patrick O’Connor, professor of exercise science in UGA’s College of Education. "Apparently the biochemical blocked by aspirin has little role in exercise-induced muscle pain."

The researchers’ latest study, published in the August issue of the Journal of Pain, found that caffeine reduced thigh muscle pain during cycling exercise. Participants in the study, 16 nonsmoking young adult men, cycled for 30 minutes on two separate days. The exercise intensity was the same on both days and purposefully set to make the riders’ thigh muscles hurt. Participants in the study took either a caffeine pill or a placebo pill one hour before the exercise. The riders reported feeling substantially less pain in their thigh muscles after taking caffeine compared to after taking the placebo.

This observation suggests that prior reports showing that caffeine improves endurance exercise performance might be explained partially by caffeine’s hypoalgesic properties, according to O’Connor.

"Not all analgesics or combinations [acetaminophine and caffeine] are effective for every type of pain or every individual," he said. "Much of this is due to biological variation among people in receptors for the drugs as well as variation in pain receptors in different body tissues. For instance, brain tissue has no pain receptors so surgery can be done on the brain without anesthesia. Of course it will hurt getting through the skin and cranium."

Caffeine also seems to work less well for heavy caffeine users who habituate because of a change in receptors with caffeine use, O’Connor said.

Prior research has focused on other types of pain, such as headaches, joint or skin pain, toothaches or pain in damaged muscles at rest, maybe a few days after being injured during exercise. The UGA researchers’ work focuses on pain that occurs naturally with muscles contracting during exercise.

"The next step is to learn how caffeine helps people feel less muscle pain during exercise" said Robert Motl, lead author of the study and an assistant professor of kinesiology at the University of Illinois. "Evidence suggests that caffeine works by blocking the actions of adenosine, however, we don’t know yet whether the caffeine is acting on muscles or the brain."

Motl, who received his doctorate from UGA in 2002, also worked

Michael Childs | EurekAlert!
Further information:

More articles from Health and Medicine:

nachricht Resolving the mystery of preeclampsia
21.10.2016 | Universitätsklinikum Magdeburg

nachricht New potential cancer treatment using microwaves to target deep tumors
12.10.2016 | University of Texas at Arlington

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: New 3-D wiring technique brings scalable quantum computers closer to reality

Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.

"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...

Im Focus: Scientists develop a semiconductor nanocomposite material that moves in response to light

In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.

A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...

Im Focus: Diamonds aren't forever: Sandia, Harvard team create first quantum computer bridge

By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.

"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...

Im Focus: New Products - Highlights of COMPAMED 2016

COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.

In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...

Im Focus: Ultra-thin ferroelectric material for next-generation electronics

'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.

Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...

All Focus news of the innovation-report >>>



Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

Agricultural Trade Developments and Potentials in Central Asia and the South Caucasus

14.10.2016 | Event News

World Health Summit – Day Three: A Call to Action

12.10.2016 | Event News

Latest News

Resolving the mystery of preeclampsia

21.10.2016 | Health and Medicine

Stanford researchers create new special-purpose computer that may someday save us billions

21.10.2016 | Information Technology

From ancient fossils to future cars

21.10.2016 | Materials Sciences

More VideoLinks >>>