Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Emory researchers find more evidence for children’s growth spurts, pain

14.02.2005


The existence of growth spurts and growing pains in children may be perpetually evident to parents, but their cause has lacked scientific explanation. A new study by Emory University anthropologist Michelle Lampl, M.D., Ph.D., and colleagues at the University of Wisconsin-Madison now sheds some light on this childhood phenomena.



In a five-year study using lambs, the research team found that leg growth occurred primarily when the animals were at rest. While the research does not provide a definitive link to nocturnal growth and the pain that some children experience, it does provide valuable new data and a possible explanation for growing pains, Lampl and colleagues say. Their results were recently published in the November/December 2004 issue of the Journal of Pediatric Orthopaedics.

As the first study to demonstrate actual bone growth spurts, it presents a significant leap forward in documenting the process of normal growth spurts, and suggests that infants and children may also grow when they are at rest, Lampl says. "In children, we often view growth as a long continuous arc, especially if we look at annual growth measurements like the charts you might find in your pediatrician’s office. However, growth is not so smooth, and occurs in spurts, as first shown some years ago among our studies of infants," Lampl says. "This is the first animal model to show that growth -- at the level of the bone -- is not a continuum."


To develop the animal model to test her theories, Lampl turned to Norman Wilsman, V.M.D., a professor of comparative biosciences at the University of Wisconsin-Madison’s School of Veterinary Medicine, and his team. The results of their lamb study, which measured the leg bones every three minutes, showed that at least 90 percent of the bone growth occurred when the animals were at rest.

For more than a decade, Lampl has researched growth spurts and growing pains, and documented that children do grow in spurts during the course of a day, which changes the previously held maxim that child growth is constant. The next step in her research will be to identify and define the biology behind the growth, and what triggers it. "This study helps us know what kinds of questions to ask," Lampl says.

What may be occurring is that when an animal is at rest, pressure on the growth plates of long bones such as the tibia is eased, permitting the bones to elongate, she says. Growth plates are soft zones of cartilage near the ends of bones. When a young animal is standing, walking or running, pressure may compact the plate, inhibiting growth, Lampl explains.

Beverly Cox Clark | EurekAlert!
Further information:
http://www.emory.edu

More articles from Health and Medicine:

nachricht Chances to treat childhood dementia
24.07.2017 | Julius-Maximilians-Universität Würzburg

nachricht World first: Massive thrombosis removed during early pregnancy
20.07.2017 | Universitätsspital Bern

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: 3-D scanning with water

3-D shape acquisition using water displacement as the shape sensor for the reconstruction of complex objects

A global team of computer scientists and engineers have developed an innovative technique that more completely reconstructs challenging 3D objects. An ancient...

Im Focus: Manipulating Electron Spins Without Loss of Information

Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.

For several years, researchers have been trying to use the spin of an electron to store and transmit information. The spin of each electron is always coupled...

Im Focus: The proton precisely weighted

What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the existing value.

To determine the mass of a single proton still more accurate – a group of physicists led by Klaus Blaum and Sven Sturm of the Max Planck Institute for Nuclear...

Im Focus: On the way to a biological alternative

A bacterial enzyme enables reactions that open up alternatives to key industrial chemical processes

The research team of Prof. Dr. Oliver Einsle at the University of Freiburg's Institute of Biochemistry has long been exploring the functioning of nitrogenase....

Im Focus: The 1 trillion tonne iceberg

Larsen C Ice Shelf rift finally breaks through

A one trillion tonne iceberg - one of the biggest ever recorded -- has calved away from the Larsen C Ice Shelf in Antarctica, after a rift in the ice,...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Closing the Sustainability Circle: Protection of Food with Biobased Materials

21.07.2017 | Event News

»We are bringing Additive Manufacturing to SMEs«

19.07.2017 | Event News

The technology with a feel for feelings

12.07.2017 | Event News

 
Latest News

Ultrathin device harvests electricity from human motion

24.07.2017 | Power and Electrical Engineering

Scientists announce the quest for high-index materials

24.07.2017 | Materials Sciences

ADIR Project: Lasers Recover Valuable Materials

24.07.2017 | Materials Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>