Jury still out over risks of heading a soccer ball
...ause of his neurological decline. Heading a soccer ball results in head accelerations of less than 10g whe...that subconcussive impacts such as seen in head to ball contact will cause chronic neurological injury, he says. Although head to head contact may cause con...Research pinpoints variations in sit-up techniques
...ree angle on the floor; crunches using an exercise ball with no assistance; full sit-ups using an exercise ball with no assistance; crunches using a ball held steady by an assistant; and full sit-ups using a ball...Scientists shed new light on speed of infant learning
...ge of object behavior such as knowing that when a ball rolls behind a sofa, that it is likely to roll out...o were shown a 32-inch computer screen depicting a ball rolling horizontally back and forth. After two minutes of exposure to this trajectory, the infants......Friday morning than a similar player who heads the ball only occasionally," said Webbe. While recent head...erally, we accept the premise that if you head the ball with proper technique, then your risk for brain injury is lower. However, we have to acknowledge tha...Rejection really hurts, UCLA psychologists find
..., two computer figures are able to throw a virtual ball to each other and to the game's human player. Alth...t one of the two computer people stop throwing the ball to the real player," Lieberman said. In the first of three rounds, experimenters instructed UCLA un...Study overcomes stroke care's biggest travesty
...The community education was the impetus to get the ball rolling." While the public education campaign had an impact on awareness, its effect on the time it took patients to get to the hospital wasn't as clear. The percentage of patients presenting within two hours of the start of their symptoms stayed abo...Outpatient procedure shrinks benign breast lumps
...arge needle, into the middle of the lesion. An ice ball forms at the tip of the probe and continues to grow until the ultrasound confirms that the entire lump has been engulfed, killing the tissue. According to Dr. Littrup, there are three major advantages of cryotherapy for breast fibroadenomas. The fi...What do bad breath, hot dogs, and gastric blood flow have in common? The nitrite anion
... and feel less guilty about eating hot dogs at the ball park."...Doctors at Northwestern Memorial are studying next generation surgery for back pain sufferers
...s between vertebrae that absorb shock and act like ball bearings when people bend and twist. Degenerative disc disease is part of the natural process of growing older. As people age, their intervertebral discs lose their flexibility, elasticity and shock absorbing characteristics. It is a common probl...Evidence that memories are consolidated during sleep
...te their environment. The four objects were a golf ball mounted on a spring, a fingernail brush, a stick of wood with pins attached and a tube that dispensed cereal treats. The researchers recorded and analyzed brain signals from the rats before, during and after their exploration, for several days across...Has cricket helped to unite South Asia?
...d scored a dramatic match-winning six off the last ball in a one day match that his side had looked like losing until that delivery. It has been suggested that this shot may have galvanised the emotions of these two nations in a manner unparalleled in sport. Overall, Pakistan was more likely to win after ...Children with ADHD benefit from time outdoors enjoying nature
...latively green view, or playing in a green yard or ball field at recess and after school."...Physically fit children appear to do better in classroom, researchers say
... fit kids better suited to compete not only on the ball field, but in the classroom as well? University of Illinois researchers have been exploring these and other related questions in a series of studies during the past two years, and preliminary results indicate a correlation. "We have found a strong re...Scientists discover enzyme crucial to HIV replication
...es the nucleus. "Unspliced RNA is like an unwieldy ball of yarn," explains Dr. Jeang. "We found that the virus also uses a human enzyme known as DDX3 to straighten its RNA before threading it through a small pore in the nucleus." The team's experiments offer the first evidence that HIV uses DDX3 in the co...The human eye cannot spot the offside rule
...ted. The relative position of four players and the ball cannot be assessed simultaneously by a referee, and unavoidable errors will be made in the attempt. The use of modern technology during games, such as freeze frame television and frame by frame analysis is advisable to limit these errors, he conclude...Study shows protective equipment not very effective for rugby players
... tackling, passing and strenuous attempts to get a ball across a goal line while preventing the opposing team from doing likewise. And, of course, frequent injuries, a small percentage of which are catastrophic, life-altering events that turn recreation into tragedy.A new study conducted by researchers at...Lack of specific collagen type leads to osteoarthritis
...age of mouse hip joints, which are the size of the ball in a ball-point pen, and analyzed how they responded to the stresses of everyday life. Alexopoulos presented the results of the Duke study Feb. 20, 2005, at the 51th annual scientific meeting of the Orthopedic Research Society in Washington, D.C. Ale......ient's pain, Dr. Dupuy said. "We can watch the ice ball form on CT as it is being done to ensure the appropriate area is being treated," he said. "This is generally an outpatient procedure, and all patients tolerated the procedure well," Dr. Dupuy said. One patient who had cancer in her brachial plexus di...