Navigation Links
Impact sensor provides athletic support
Date:5/14/2010

As athletes strive for perfection, sports scientists need to exploit every technological advance to help them achieve that goal. Researchers in New Zealand have now developed a new type of wearable impact sensor based that can provide much needed information about the stresses and strains on limbs for rugby players, high jumpers, and runners.

Writing in the International Journal of Biomechatronics and Biomedical Robotics, Kean Aw and colleagues in the department of Mechanical Engineering, at The University of Auckland, explain how novel materials known as ionic polymer metallic composites (IPMCs), produce an electrical current when compressed. These materials are flexible, lightweight and durable and so can be fashioned into wearable sensor devices to allow sports scientists to monitor directly impact forces without interfering with an athlete's performance.

IPMCs are usually made from an ionic polymer, such as Nafion or Flemion, which is coated with a conducting metal, platinum or gold. Previously, researchers have experimented with IPMC materials as artificial muscles because applying a voltage causes them to flex as ions migrate causing electrostatic repulsion within the composite material. The opposite effect, in which ion movement generated a voltage when the material is flexed, is exploited in the sensor technology.

Impact sensors made from IPMC could be inserted into footwear to measure the impact energy of a foot striking a hard surface or they might be placed in a rugby player's shoulder pads to measure collision impacts or forces exerted during a rugby scrum. The data obtained from these sensors allows the athlete's performance to be quantified and analyzed in terms of the forces acting on their body with a view to improving their and also reducing the potential for injuries.

The researchers have tested IPMC sensors in the laboratory and compared the readings obtained for different applied forces with those from more conventional measurement techniques. Their analysis of the tests reveals that the IPMC sensors would have to be calibrated with a high and a low impact force prior to testing with a performing athlete. However, the voltage spike and the slope of the voltage measurement obtained with an IPMC can be readily converted into an impact force measurement to within 10% accuracy.


'/>"/>

Contact: Kean Aw
k.aw@auckland.ac.nz
Inderscience Publishers
Source:Eurekalert

Related biology news :

1. Tropical crab invades Georgia oyster reefs -- but the long-term impact cant be predicted
2. Acid rain has a disproportionate impact on coastal waters
3. NASA celebrates a decade observing climate impacts on health of worlds oceans
4. NASA celebrates a decade observing climate impacts on health of worlds oceans
5. Research team says extraterrestrial impact to blame for Ice Age extinctions
6. A greenhouse in order to study the impact of climate change on plants
7. Increase in ethanol production from corn could significantly impact
8. International team of scientists warns of climate changes impact on global river flow
9. Darwin Symposium at Field Museum offers broad overview of his science and its impact
10. Insulins brain impact links drugs and diabetes
11. $2.8 million for research into the impact of climate change on tundra wildlife
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/9/2016)... ISTANBUL , June 9, 2016  Perkotek an innovation leader in attendance control ... to seamlessly log work hours, for employers to make sure the right employees are ... Logo - http://photos.prnewswire.com/prnh/20160609/377486LOGO ... ... ...
(Date:6/2/2016)... 2016 The Department of Transport Management ... 44 million US Dollar project, for the , ... Personalization, Enrolment, and IT Infrastructure , to ... and implementation of Identity Management Solutions. Numerous renowned international vendors ... Decatur was selected for the most compliant and ...
(Date:5/24/2016)... 2016 Ampronix facilitates superior patient care by providing unparalleled technology to leaders ... is the latest premium product recently added to the range of products distributed by ... ... ... LCD Medical Display- Ampronix News ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... June 23, 2016 ... 2016;12(1):22-8 http://doi.org/10.17925/OHR.2016.12.01.22 Published recently ... peer-reviewed journal from touchONCOLOGY, Andrew D Zelenetz ... of cancer care is placing an increasing burden ... expensive biologic therapies. With the patents on many ...
(Date:6/23/2016)... ... June 23, 2016 , ... ... line of intelligent tools designed, tuned and optimized exclusively for Okuma CNC machining ... Chicago. The result of a collaboration among several companies with expertise in toolholding, ...
(Date:6/22/2016)... DUBLIN , June 22, 2016 Research ... and Global Markets" report to their offering. ... $39.4 billion in 2014 from $29.3 billion in 2013. The market ... (CAGR) of 13.8% from 2015 to 2020, increasing from $50.6 billion ... and projected product forecasts during the forecast period (2015 to 2020) ...
(Date:6/22/2016)... SAN DIEGO , June 22, 2016   ... the first pluripotent stem cell-derived islet replacement therapy for ... two presentations at ISSCR 2016 Annual Meeting.  ISSCR 2016, ... 22nd to 25th at Moscone West in San Francisco.  ... Details of the presentations are as follows:Event: , Focus ...
Breaking Biology Technology: