Friday, June 19, 2009
New Fabric Aims to Detect High Body Temperature in Children
Being able to detect when a child's temperature rises above 37°C would be a welcome ability for worried parents. The same could be said about doctors on professional sport teams. A British inventor seems to have developed a fabric that loses its color and turns white above the standard temperature threshold.
From the Daily Mail:
Mr Ebejer, who had his idea while watching a documentary about babies, began the search for an ink pigment with heat-sensitive molecules.He spent six years and £700,000 working with scientists to develop-the pigments to embed into cotton babygrows.
The blue Babyglow suit for boys turns white when the child's temperature rises too muchThe blue Babyglow suit for boys turns white when the child's temperature rises too much. The Babyglows come in pink, blue and pastel green, all of which turn white as soon as the baby's temperature rises above 37c. They will be available from October for £20 a pack.
The worldwide patent has been bought by manufacturers Quality Workwear 4 U, in Milton Keynes.
More from the Daily Mail...
(hat tip: Engadget)
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Wednesday, June 10, 2009
Helmets Monitor Player Temperatures to Watch for Heat Stroke
Football players are prone to heat strokes due to the gear and helmets they wear, compounded by working out in off-season training facilities in places like Florida and Arizona. While training in 2001, Minnesota Vikings lineman Korey Stringer died due to heat stroke. To allow teams to monitor the players' individual temperatures, Hothead Technologies out of Atlanta, Georgia has developed sensors that can be built into helmets to provide live wireless updates.
From Popular Science:
The Heat Observation Technology (HOT) system uses an electric thermometer called a thermistor, a spoon-size device made of metals whose electrical resistance vary with temperature. Inserted under the padding of a standard helmet, the thermistor measures the temperature in the player's temporal artery and uses a built-in radio to transmit temperatures between 99.9° and 110°F — heat illness typically sets in around 104° — every 10 seconds to a PDA monitored by a coach or trainer on the sidelines.
More from POPSCI...
Link: Hothead Technologies
Flashback: Impact Sensing Football Helmets from Riddell
(hat tip: Gizmodo)
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Thursday, June 4, 2009
NASA Creates New Sports Drink
As part of NASA's program to develop tools for astronaut training and living in space, researchers at NASA's Ames Research Center have developed a new hydration beverage that will rival Gatorade, itself originally created for the Florida Gators football team. The recipe has been licensed to a private firm, Wellness Brands, that will sell it under the name The Right Stuff.
From a NASA statement:
To help keep astronauts at peak performance during missions, NASA researched, qualified and patented a highly effective electrolyte concentrate formula that maintains and restores optimal body hydration levels quickly and conveniently. Developed as a remedy for dehydration, it helps prevent the loss of body fluids during heavy exercise, heat exposure and illness. It also can be used to treat and prevent dehydration caused by altitude sickness and jetlag.NASA's Ames Research Center, Moffett Field, Calif., licensed the patented rehydration formula to Wellness Brands Inc., Boulder, Colo. Wellness Brands plans to launch its first electrolyte concentrate brand, 'The Right Stuff' in June 2009.
The novel electrolyte formula contains a specific ratio of key ingredients, sodium chloride and sodium citrate, for rapid restoration of hydration. These electrolytes, dissolved in water, optimize the levels of sodium ions in the body. The beverage is an isotonic formulation that restores both intra- and extracellular body fluid volumes in dehydrated astronauts, athletes and others.
Press release: NASA Develops Rehydration Beverage
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Friday, May 8, 2009
Lactate Monitoring May Become As Common As Heartbeat in Sports
Measuring lactate levels in the blood is a common activity among athletes that closely monitor their condition. The process usually requires visiting a clinic, but now German researchers claim to have developed a scaled down version of the monitoring device that may soon find itself in over the counter lactate testers.
Fraunhofer-Gesellschaft reports:
“We have found a way of miniaturizing the measurement system so that it can be accommodated in an ear clip. The results could be radioed by the ear clip to a training wristwatch or a cellphone,” says Thomas van den Boom, group manager at the Fraunhofer Institute for Microelectronic Circuits and Systems IMS in Duisburg. An electrochemical method is used to measure the lactate value. In a chemical reaction, an enzyme triggers a redox flow from the lactate which can be measured using electrodes. The measurement system, which could be installed for example in an ear clip, consists of two microchips: the innovative nanopotentiostat fits on a chip measuring just two by three millimeters and costs less than one euro. “The second chip incorporates microelectrodes which we have developed for this purpose and which we can couple with the nanopotentiostat,” explains van den Boom. One of the microelectrodes is coated with a thin layer of gel containing the enzyme. There are altogether three microelectrodes on the chip, which are activated by the nanopotentiostat. Two serve the purpose of electrochemical measurement while the third keeps the electrochemical potential constant end thus ensures a stable voltage.The engineers can coat the electrode with different enzymes so that, apart from lactate measurement, various other analyses can be performed in the blood or other electrolytes. The advantage is that the electrodes are very small and cheap – and the analyses can be carried out in a mobile environment. A first demonstrator of the nanopotentiostat for lactate measurement (without earclip) has already been produced.
Press release: Lactate test made easy ...
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Tuesday, April 7, 2009
FiTrainer Automatic Heart Rate Monitor Helps With Exercise
FiTrainer is an interesting product that combines headphones and a heart beat meter into one 
convenient unit. Featuring an ear clip that detects one's heart rhythm, the system notifies the user of the current number via voice inside the headphones, which avoids having to manually check the reading on a display.
Features from the product page:
Complete 1 Unit Training System Heart Rate Sensor Equipped Chest Strap Heart Rate Monitor Voice Feedback Commands Training Rhythm & Music MP3 Player Compatible MP3 Integration Customized Exercise Modes PC/Mac Software Setup Minimum 15 hr. Battery Life
Product page: FiTrainer...
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Monday, March 9, 2009
Gruve Helps Keep Weight Loss Exercise on Track
Using technology licensed from the Mayo Clinic, a company called Muve from Minneapolis, Minnesota has created a simple device that can help optimize exercise habits. Essentially a 3-D accelerometer, the Gruve from Muve is designed to measure person's movement and roughly convert that into calories expended. By setting weight loss goals, the unit can help the user optimize and when and how much movement needs to be done.
From the Associated Press:
As a lifelong runner and cross-country skier, Wood [Andy Wood, chief "muvologist" at Muve] was surprised by what his Gruve showed him. Days of sitting in the office broken up by a long distance run at lunchtime did not bring him to his green goal.However, steady movement and small walks throughout the day, minus the noon-time run, did make his Gruve green.
After sitting for a long time, the body changes and begins creating fat instead of energy. Wood calls this the E.C.P or energy conservation point. His is 74 minutes and after 69 minutes of sitting, the Gruve vibrates like a cell phone to remind him to move.
Those little bursts of energy keep his body from shifting into neutral and creating excess weight.
More from AP...
Product page: Gruve Solution
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Tuesday, March 3, 2009
High Speed RFID to Help Set New Records
RFID (radio frequency identification) technology is both controversial and amazing in its possibilities. In the field of sports, researchers are extending the precision of RFID to allow for accurate monitoring of performance. A new system attached to skis can provide feedback to a coach that is much more nuanced than an old fashioned video. The system has also the potential to improve safety for those who risk their lives on the giant slopes.
From Fraunhofer-Gesellschaft:
In the future, transponders – radio transmitters and receivers – will support coaches in their work. They can be attached to an athlete’s skis and transmit radio waves in every direction through small antennas one thousand times per second. The antennas are located to the front and the back of the skis. Receiving stations placed alongside a slope in regular intervals pick up the signals and analyze the time a signal needs to travel from the antenna to a station, thus accurately determining an antenna’s position within three centimeters. The underlying technology is radio frequency identification or RFID. A computer calculates the position of the skis every millisecond and displays their exact path on a monitor. “A coach recognizes whether both skis were parallel,” explains Richter, “whether the skier has drifted from her path in a curve and whether she is able to carve properly.” Carving involves taking the turns entirely on the edge of one’s skis.The Austrian firm Abatec developed the system. Together with colleagues from the university in Magdeburg, the researchers at the Fraunhofer IFF are testing its systematic implementation in sports: What adhesive bonds the antennas to the skis so they do not loosen during a downhill run but can be detached when no longer needed? How can the radio signals be evaluated so a coach is able to draw conclusions about technique? Another challenge: Many skis contain metal layers of varying thicknesses, which shift a transmitter’s frequency. Depending on the skis’ design, the antennas transmit on another frequency and the base station no longer detects the signal. The solution: An additional metal plate under the antennas alters the signal so intensely and predictably that the slight differences between different skis are of no consequence: The antennas always transmit with the same controlled frequency. The technology performed well in initial tests in Bottrop ski hall and the system is now ready for use.
Press release: Signal opportunities on the slopes - with RFID
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Monday, February 9, 2009
Device Brings Together Health/Fitness Sensors with Digital Devices
iTMP Technology, a small company out of Santa Barbara, California, is releasing a simple device that links data coming from compatible wireless health and fitness sensors to iPhones, computers, and mobile devices. On the iPhone, things like heart rate meters, pedometers, and bicycle speedometers can be incorporated together via one the company's iPhone fitness applications.
iPhone apps the new SMHEART LINK is compatible with:
iRPM+(TM) - Bike Computer/Heart Monitor v 2.0 is a cardio fitness system and cycling computer that works with SMHEART LINK to track any cardio exercise, anywhere. Upload your completed workouts to eNewLeaf.com or MapMyFitness to add key cardio training and cycling metrics to your online fitness diary. iSPINNING(TM) is a cardio fitness system and cycling computer that enables Spinning(R) enthusiasts around the world to track and record their cardio exercise anywhere, whether riding on a Spinner(R) bike, road bike or mountain bike. It is currently available as a demo, while the live app (v 2.0) is in review and expected to be available soon. iNewLeaf (TM) is a cardio fitness system and cycling computer that allows you to incorporate unique metabolic profile data from New Leaf to more precisely track and monitor the right exercise intensity for "real results." Upload your completed workouts to eNewLeaf.com to add key cardio training and cycling metrics to your online fitness diary. It is also currently available as a demo, with the live app (v 2.0) in review and expected to be available soon.
Press release: iPhone Can Now Double as a Heart Rate Monitor and Fitness Tracking System
Product info page: SMHEART LINK
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Friday, December 12, 2008
Sport Helmet to Prevent Neck Injuries
This summer we missed an innovative new helmet that researchers at University of British Columbia developed to prevent neck injuries during serious collisions. Essentially, the helmet has an two concentric shells that can rotate relative to each other depending on the collision.
From the device info page:
The Pro-Neck-Tor™ technology will induce head motion if and only if a certain force threshold is reached at the interface between the shells. This means that helmets designed around the Pro-Neck-Tor™ technology should behave exactly like existing helmets except in a head-first impact. Pro-Neck-Tor™'s design is still under development, but preliminary proof-of-concept tests using mechanical models of the head and neck have been carried out by scientists and engineers at the Injury Biomechanics Laboratory at The University of British Columbia. In these tests the Pro-Neck-Tor™ helmet considerably reduced neck loads in head-first impacts over a range of impact conditions when compared to impacts to the unprotected head.
Pro-Neck-Tor homepage with video of how the helmet functions...
Press release: UBC Researchers Invent Helmet that Significantly Reduces Forces to Neck During Head-first Impact ...
(hat tip: Rohit Joshi)
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Thursday, December 11, 2008
One Of The Hardest Hitters In The NFL!!!
It's not just the line-backer glaring at you across the line of scrimmage that you have to worry about hitting you. There may be a bigger hitter coming to all football teams in the near future! MRSA (Methicillin-Resistant Staphylococcus Aureus) is sidelining more football players than NFL hall of famer "Mean" Joe Greene in his prime.
Perhaps we can make a suggestion to the recent Siemens Competition in Math, Science and Technology winner Wen Chyan. Consider coating NFL players' gear with your new hydrogel composite polymer to reduce MRSA transmission, and that may bring in more than the $100K grand prize from Siemens. When you consider the financial loss associated with the sidelining of Tom Brady, Joe Jurevicius, Peyton Manning and Kellen Winslow due to MRSA, $100K is pocket change (if you're reading Wen, a finders fee of 10% would be fine!).
From a press release by Molnlycke Health Care, maker of skin cleansers and other infection related products:
"All of us in the sports medicine profession know that protecting our players from infections such as staph or MRSA are priorities," said Dean Kleinschmidt, coordinator of athletic medicine/athletic trainer for the Detroit Lions. "To do this, many of us have started very strict facility cleaning procedures and provided our players with educational materials and workshops that show them how they can also prevent it."The NFL Players Association (NFLPA) recently posted information to its web site about staph infections and MRSA provided by NFLPA Medical Director Dr. Thom Mayer. This includes how players can lower their chances of contracting staph such as:
-- Players need to have effective hygiene with equipment, which means wiping down a training bench or table.
-- Make sure the trainer uses a germicidal foam and wipes down the table between players.
-- Showering following whirlpool treatments.
-- The single most important thing for prevention is hand-washing with soap and water, or if MRSA is known to be present, with chlorhexidene (Hibiclens).
In addition to several other measures aimed at reducing the risk of infection, cleansers with chlorhexidene gluconate (CHG) have been recommended by medical organizations to be used prior to surgeries as a bathing agent, specifically 4 percent CHG since it is more effective than iodine or plain soap. The Centers for Disease Control also recommends that hospitals require patients to shower or bathe with an antiseptic agent at least the night before the operative day.
"Cleansers with 4 percent CHG cleanse the skin, but also add a barrier for hours of protection," said Jack Doornbos, executive director, Molnlycke Health Care, maker of Hibiclens(R) skin cleanser. "CHG has been used in hospitals and operating rooms for decades to prevent the spread of infection. But now, with MRSA and other resistant infections becoming more common in the community and sports, it's been even more important to add protection, while not leaving a residue that affects sports performance."
Infection risk can be even higher among amateur and recreation-level athletes. This is due to the fact that many athletes at an amateur level don't shower immediately after activities. For them, washing with a CHG product such as Hibiclens, especially the hands and arms, before an activity can dramatically reduce the risk of infection.
Press release: Staph Infections Hit Professional Football Hard
Image: Vlastula
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Monday, October 27, 2008
Passive Tracking of Physical Activity with FitBit
FitBit is a simple motion activated device that tracks the movement of the wearer and provides feedback about physical activity, calories expanded, and how much sleep was obtained by the user. Small enough to be strapped to one's underwear, the device records the internal accelerometer's activity for interpretation on the computer.
The company that makes the device just received $2 million to fund it and put the product on the market, according to TechCrunch.
We particularly like that the device wirelessly syncs with its base station, and keeps your status up to date on the computer.
Product page: FitBit
(hat tip: TechCrunch)
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Monday, August 18, 2008
Medgadget Olympics Continue With Kinesio
There seems to be a lot of medgadgetry being used in this year's Olympics. The latest mystery has been the black pattern on America's beach volleyball player Kerri Walsh's shoulder. The bookofjoe blog had a crack research team investigate the matter, and they've apparently discovered that the stuff is Kinesiotape, the manufacturer of which claims it has the ability to "re-educate the neuromuscular system, promote lymphatic flow, reduce pain, enhance performance, prevent injury, and promote injury resolution." Turns out the tape is used by a few other Olympians, and Kinesio has a page showing off its product at the games: Kinesio @ the Olympics...
More at bookofjoe...
Product page: Kinesio® Tex...
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Wednesday, July 23, 2008
A Slam-Dunk Design for a Wheelchair
When they were students at the University of Illinois, Ricky Biddle, Eric Larson and Ben Shao decided to do something for the disabled athletes involved in wheelchair basketball. This sport is inherently dangerous, and injuries resulting from collisions are frequent. The other intrinsic problem is the need for participants to use hands not only to dribble the ball but to control the wheelchair. So the three chaps teamed up with Austin Cliffe, another designer, and have come up with a prototype Balance Sport Wheelchair, now Gold winner of the 2008 International Design Excellence Award in Medical & Scientific Concepts category.
Ricky Biddle gave us the following explanation:
The design solution uses a braking system that is activated by the user’s movements in an intuitive way. To turn, the player leans in the desired direction. To stop, the player simply leans back.Every athlete is different. Add a wheelchair to the equation and these disparities multiply exponentially. On top of size differences, personal preferences and so on, wheelchair athletes also have different injuries and unique challenges and mobility limitations associated with their injury. This meant designing a solution that would meet the needs of people with varying levels of skills and abilities.
After testing simple mechanisms and methods of braking, it became clear that the brakes and the leaning mechanism would have to be extremely flexible and be able to be tuned to accommodating the various needs and preferences of players. Disc brakes allow for adjustability that is as simple as turning a dial and for independent adjustment of the left and right wheels. The disc brake system isolates most of the contributing variables of what could be a complicated braking system into two small, easily adjustable units.
The designers spent a great deal of time and effort addressing the points of rotation to find the optimal ergonomic solution. In an attempt to aid players with mobility only from the shoulder up, the left-to-right point of rotation was placed at the middle of the back in prototypes, but it quickly became apparent that this solution was too sensitive. A very slight lean could cause the brakes to engage suddenly, and players with limited means to control their leaning would be jostled around in a jerky turn. What should have been one smooth action became several shorter brake, brake, brake motions. After many attempts to dial this in, it became apparent such a short throw was more of a detriment than an aid to players with low mobility. We observed that left-to-right leaning by athletes with greater mobility involved a shifting of weight from one buttocks cheek to the other. This resulted in a linkage type of rotation, rather than the one-point center rotation that we had considered. We placed two pivot points under the seat. The longer throw also results in a less touchy mechanism, giving players of all abilities a smoother lean/turn braking operation. Two points of left and right rotation add further to the adjustable resistance of the leaning resistance.
The leaning of the seat back to actuate the brakes also allows for adjustable resistance for athletes of different abilities. Player with little mobility can set a high resistance of their seat’s lean and adjust their brake resistance to allow very slight movement to give them the desired braking and turning response. Players with more mobility, on the other hand, may prefer a looser setting to allow their upper body to move more freely and fluidly without inadvertently braking or turning.
If you would like to learn more about the wheelchair, Ricky Biddle's contact info can be found here...
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Wednesday, June 18, 2008
Real Exercise for a Virtual World
A couple Dutch tinkerers, with the understanding that many of us already live in Second Life, spliced an exercise bike with a computer. The system now allows a user to control an avatar while getting some real life exercise at the same time.
From the project page:
The first prototypes have been built using conventional hometrainers. These hometrainers are equipped with sensors for measuring velocity and driving direction. Using the same optical sensors also the steering direction is measured. The data is transferred to a PC using the standard PS2 keyboard interface. With a PS2-USB adapter the hometrainer can be connected to a wide variety of systems, (MS Windows, Linux, MAC).The forward velocity and steering direction are measured using optical sensors which can easily be integrated into the existing hardware. Conversion of sensorsignals to PS2 standard is done using an AVR-RISC microcontroller van Atmel.
The bike steer is equipped with an 'ET-button®' (named after a legendary scene in a Spielberg movie). This button is for initiating the flying mode.
Video of developers playing with the system (3MB or 12MB Windows Media file)...
And for those with no patience, a shorter, grainier video on YouTube:
(hat tip: ScienceRoll)
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Real Exercise for a Virtual World
A couple Dutch tinkerers, with the understanding that many of us already live in Second Life, spliced an exercise bike with a computer. The system now allows a user to control an avatar while getting some real life exercise at the same time.
From the project page:
The first prototypes have been built using conventional hometrainers. These hometrainers are equipped with sensors for measuring velocity and driving direction. Using the same optical sensors also the steering direction is measured. The data is transferred to a PC using the standard PS2 keyboard interface. With a PS2-USB adapter the hometrainer can be connected to a wide variety of systems, (MS Windows, Linux, MAC).The forward velocity and steering direction are measured using optical sensors which can easily be integrated into the existing hardware. Conversion of sensorsignals to PS2 standard is done using an AVR-RISC microcontroller van Atmel.
The bike steer is equipped with an 'ET-button®' (named after a legendary scene in a Spielberg movie). This button is for initiating the flying mode.
Video of developers playing with the system (3MB or 12MB Windows Media file)...
And for those with no patience, a shorter, grainier video on YouTube:
(hat tip: ScienceRoll)
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Thursday, June 12, 2008
Tanita Body Composition Monitor
An interesting personal scale, if it can be called in such a limited way, has been put to our attention as a nifty present for the health conscious and gadget obsessed man in your family. The device claims to provide accurate muscle mass and body fat numbers for each arm and leg, in addition to the body on the whole. And these and other numbers can be tracked via a graph screen on the top of the unit.
Our new father is planning to review the device hands on (feet on?) in the coming days to see if one needs to know Fortran to operate this thing.
Product page: Tanita BC558 Segmental Body Composition Monitor
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Monday, April 28, 2008
Slimstick Exercise Companion from Seiko
Seiko has created what seems to be a tiny pedometer-like device that can supposedly calculate one's calories burned during a workout routine. The Slimstick features a built-in accelerometer, and algorithms that use its information, along with input from the user, to calculate one's exertion in real-time.
Google translation of Slimstick info page...
(hat tip: Engadget)
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Friday, April 25, 2008
VitalJacket: Heart Monitoring Shirt
In an attempt to make heart monitoring less visible and bulky for individuals requiring continuous monitoring of their heart, BioDevices, SA, has a unique solution. The company has developed a T-shirt which continuously monitors heart rate and ECG waves. This is an ideal solution for elderly patients and has a lot of potential for fitness applications as well.
The Vital Jacket® is a wearable vital signs monitoring system that joins textiles with microelectronics. It was designed and developed to be a usable pragmatic approach for different clinical and normal life scenarios, in hospitals, home or on the move, that need continuous or frequent high quality vital signs monitoring from the patient or healthy subject. The concept was designed and specified based on the long tradition on biomedical instrumentation and telemedicine of the IEETA institute of the University of Aveiro, Portugal (www.ieeta.pt/sias).The Vital Jacket® HWM mobile device is an intelligent wearable garnment that is able to continuous monitor electrocardiogram (ECG) wave and Heart Rate for different fitness, high performance sports, security and medical applications.
There are currently two versions, HWM100 that stores data on a SD memory card for posterior analysis in a PC and, HWM200 that allows on-line visualization using a smartphone/PDA.
More from talk2myShirt
More from product page: VitalJacket
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Friday, March 14, 2008
Femtosecond Lazers: Killing Cancer & Fusing Metal to Bone
University of Missouri scientists are working to bring functional femtosecond lasers [as in beams] out of the real of sci-fi and into the real world of medicine. Lead researcher, and professor of Mechanical and Aerospace Engineering, Robert Tzou explains how this new technology could revolutionize everything from dentistry to oncology to joint replacement surgery.
What makes the femtosecond laser different from other lasers is its unique capacity to interact with its target without transferring heat to the area surrounding its mark. The intensity of the power gets the job done while the speed ensures heat does not spread. Results are clean cuts, strong welds and precision destruction of very small targets, such as cancer cells, with no injury to surrounding materials. Tzou hopes that the laser would essentially eliminate the need for harmful chemical therapy used in cancer treatments.“If we have a way to use the lasers to kill cancer cells without even touching the surrounding healthy cells, that is a tremendous benefit to the patient,” Tzou said. “Basically, the patient leaves the clinic immediately after treatment with no side effects or damage. The high precision and high efficiency of the UUL allows for immediate results.”
Practical applications of this type of laser also include, but aren’t limited to, the ability to create super-clean channels in a silicon chip. [Ed note: we can think of more applications later...] That process can allow doctors to analyze blood one cell at a time as cells flow through the channel. The laser can be used in surgery to make more precise incisions that heal faster and cause less collateral tissue damage. In dentistry, the laser can treat tooth decay without harming the rest of the tooth structure.
Associate Professor Yuwen Zhang and Professor Jinn-Kuen Chen recently received a grant from the National Science Foundation to use the laser to “sinter” metal powders—turn them into a solid, yet porous, mass using heat but without massive liquefaction—a process which can help improve the bond between joint implants and bone.
“With the laser, we can melt a very thin strip around titanium micro- and nanoparticles and ultimately control the porosity of the bridge connecting the bone and the alloy,” Zhang said. “The procedure allows the particles to bond strongly, conforming to the two different surfaces.”
(hat tip: Gizmodo)
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» Vicor and US Army Team on New Cardiac Monitor (February 4, 2008)
» BrainScope for HeadTrauma (February 1, 2008)
» Impact Sensing Football Helmets from Riddell (December 19, 2007)
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