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Walking in Biological News

Reducing risk of hospitalization in the elderly

... hospitizations was 50% higher for those with poor walking or less dense muscle mass "Our research ... physical function in a number of ways including walking speed, their ability to stand up from a chair ... that much simpler methods such as measuring walking speed are much easier and cheaper to do, and are ...

Bizarre walking bat has ancient heritage

... A bizarre New Zealand bat that is as much at home walking four-legged on the ground as winging through the ... overturns a long-held held view that the agile walking and climbing skills of the lesser short-tailed ... bat species worldwide that has a true four-legged walking gait when manoeuvring on the ground. It uses ...

Physical activity may strengthen children's ability to pay attention

... see if a single acute bout of moderate exercise walking was beneficial for cognitive function in a ... period; on another day, after a 20-minute session walking on a treadmill. Students were shown congruent and ... an ongoing project that is looking at treadmill walking at the same intensity relative to a Wii Fit game ...

Optimum running speed is stride toward understanding human body form

... Steudel attributes to the gait transition between walking and running. For example, she points out, both a ... more like the torso of an ape, except they were walking on two legs," Steudel says. "With the genus Homo, ... longer and more efficient strides. Human walking is also known to have an optimally efficient ...

Acorda Therapeutics submits new drug application for Fampridine-SR in multiple sclerosis

... a novel therapy being developed to improve walking ability in people with multiple sclerosis (MS). ... are no medicines currently indicated to improve walking ability in people with MS, and Fampridine-SR ... that between 64-85% of people with MS have walking disability 1 , 2 . Fully 70% of people with MS ...

'A dinosaur dance floor'

... long] may tell us that we are seeing mothers walking around with babies," he says. The site a ... are others nearby. "Dinosaurs usually weren't walking around with their tails dragging," he says. ... wet area, or it could be communal behavior, like walking together as a pack." About one-eighth of the ...

Did walking on 2 feet begin with a shuffle?

... for the development of bipedal behavior, or walking on two feet, and now researchers from the ... that suggests shuffling emerged as a precursor to walking as a way of saving metabolic energy. Metabolic ... for distances less than 30 feet. In addition, walking on two feet would be used most frequently for ...

Early parents didn't stand for weighty kids

... why early humans the so-called hominins began walking upright say its unlikely that the need to carry ... to the mother does not support the idea that walking upright was an evolutionary response to child transportation. walking upright is one of the major characteristics that ...

21st-century pack mule: MIT's 'exoskeleton' lightens the load

... one catch: The current model impedes the natural walking gait of the person wearing it. You can ... at the knee allow the device to approximate the walking motion of a human leg, with a very small external ... movement of a human leg, allowing for more normal walking motion. The most important result of this study, ...

Was ability to run early man's Achilles heel?

... that the earliest humans used efficient bipedal walking rather than chimp-like Groucho walking, said Dr ... we progressed down the pathway to modern human walking and running, said Dr Sellers. We have borrowed ... have to do. Dr Sellers initially looked at walking and his models suggested that even as early as ...

A dog in the hand scares birds in the bush

... to study dogs impact on birds: (1) a person walking a dog on a lead on a trail; (2) a person walking alone on a trail; (3) a control condition with no dog walking or humans. Observers monitored all native ...

Electromagnetic phantom exorcises specters of metal detector tests

... human subjects is that person-to-person variability in physical makeup and walking style and changes in a particular persons gait or position at each pass ... actuator. This speed was selected because it is a common walking pace for an adult male. Engineers in NISTs Office of Law Enforcement ...

Dogs chase efficiently, but cats skulk counterintuitively

... of these results is the possibility of a tradeoff between stealthy walking and economy of locomotion," the three researchers wrote in PLoS . "These ... We think it has to do with stability and caution, Schmitt said." walking humans recover as much energy as dogs, said Schmitt, who studies gaits of ...

Earliest animal footprints ever found -- discovered in Nevada

... if you find evidence, like we did, of an animal with legs -- an animal walking around -- then that makes the possibility much more likely." ... old, this new fossil not only provides the earliest suggestion of animals walking on legs, but it also shows that complex animals were alive on earth before ...

Low-gravity training machine reduces joint, muscle impacts, says CU-Boulder study

... London Telegraph. Kram and Grabowski have begun a follow-up study of walking using the G-Trainer. By studying subjects walking at various weights and speeds in the machine, the researchers should be ...

Lizard hunting styles impact ability to walk, run

... even when moving at slower speeds. Wide foragers, however, evolved a walking gait and mechanics. They must move at slower speeds in order to use their ... analyzed the video to determine whether the lizard was using running or walking mechanics. The study used a large, representative sample of lizards ...

Why serotonin can cause depression and anxiety

... of other disorders. But exactly how remains an open question. Imagine walking past a dark alleyway in a dangerous part of some city; although it might ... things that used to be avoided reflexively You might for example consider walking down the dangerous alley, be robbed and thus be reminded and taught by ...

Eat chocolate, drink wine, add fun to life: SLU geriatrician shares secrets of staying young

... advocates fidgeting in your office chair to burn calories, spending time walking from your car to the mall rather than driving to find a close parking ... into your life. In addition to moving around more by vacuuming, raking or walking your dog, aim to exercise for a half hour every day. For the best outcome, ...

Scientists track impact of DNA damage in the developing brain

... (AOA1) and spinocerebellar ataxia with axonal neuropathy (SCAN1). Both disorders are inherited and are characterized by progressive difficulty with walking and other movement. AOA1 is among the most common form of certain inherited movement disorders in Japan and Portugal. McKinnon said those reports ...

Evolution: Crabs go deep to avoid hot water

... crabs live largely undiscovered. The fraction that we have found includes some weird and wonderful examples - Paralomis seagrantii has its eight walking legs and claws entirely covered in long fur-like setae; while related group Lithodes megacanthus grows to lengths of 1.5 metres, and has 15-20-cm ...

Scripps Research scientists observe human neurodegenerative disorder in fruit flies

... This causes a host of problems that usually emerge in early adulthood, including loss of muscle mass, pain and sensitivity, foot deformations, and walking difficulties. After the human genome was solved a few years ago, studies revealed that some people with Charcot-Marie-Tooth have mutations in ...

The secret of a snake's slither

... Snake locomotion may seem simple compared to walking or galloping. But in reality, it's no easy task to move without legs. Previous research has assumed that snakes move by pushing off of rocks and ...

Conservationists seek to identify prime stopover sites for migrating birds

... two transects each during the peak migration of Neotropical migrant birds, such as wood warblers, vireos and thrush. They will spend 30 minutes walking along a 300-meter transect, documenting every bird-related detail they see and hear within a 25-meter-wide path on either side of a flagged line. The ...

Limping rat provides sciatica insights

... did not and analyzing step by step the particulars of the animals' gait. Specifically, they measured how the animals responded to the pressure of walking with an affected leg and how they shifted their weight in response. "Following surgery, we noticed some novel signs of limping, characterized by ...

Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic

... muscles, and flattened phalanges which suggests that the feet were webbed, but not flippers. This animal was likely adept at both swimming and walking on land. For swimming it paddled with both front and hind limbs. Puijila is the evolutionary evidence we have been lacking for so long," says Mary ...

International prize for Nottingham spine research

... water out, the volunteers were studied in two situations loaded down with half their body weight to simulate the effect of being upright and walking around during daytime hours and lying down unloaded to simulate night time sleep conditions. The results of the study could help to inform the way ...

Crab claws pack strengthening bromide-rich biomaterial

... empowers the claw tips of the striped (or lined) shore crab (Pachygrapsus cassipes) as the pinchers pick and hold prey. It also is present on the walking legs of Dungeness crabs (Cancer magister), a dining delicacy in the Pacific Northwest. "The types of crabs that use this trick for their claw tips ...

'Fattysaurus' or 'thinnysaurus'? How dinosaurs measure up with laser imaging

... centre of mass as they evolved. As we know, dinosaurs evolved into birds. As they did so, the centre of mass moved forward and different walking styles evolved. Although the dinosaurs we have reconstructed are not very close relatives of the birds, we can nevertheless see a small forwards ...

Reducing CO2 through technology and smart growth

... reduce tailpipe emissions of CO2. The second approach is to change behavior by changing the way we design cities. We can travel less and take more walking and transit trips." Stone says he believes it would be possible for virtually all cars on the roads by 2050 to be hybrid electric vehicles, ...

Decreasing insulin resistance prevents obesity-related cardiovascular damage

... out protein tyrosine phosphatase 1B, or PTP1B, in genetically fat mice that get diabetes. "Even before you have really bad diabetes, you are walking around obese with your glucose control a little bit off and already beating up your circulation," says Dr. David Stepp, vascular biologist at the MCG ...

Research model may one day 'inoculate' elderly against slip-related falls

... and bent the landing knee more. These changes reduced the landing force and the velocity of the slip. Interestingly, the trained group did this while walking at their customary speed. May help elderly The brain is able to generalize fall training from one situation to another by modifying gait to ...

Exercise after knee replacement critical

... alleviates the pain of osteoarthritis and improves function, patients exhibit impaired quadriceps strength and function for such activities as walking and climbing stairs, and the levels remain below those of healthy people of the same age. In a randomized controlled trial at the University of ...

Expeditions reveal gulf of California's deep sea secrets, as well as human imprints

... Drogin reported dramatic views around the vent and water temperatures reaching 266 Fahrenheit degrees (130 degrees Celsius). "It felt to me like walking into the middle of a forest fire, with flames shooting out. It was very dramatic," said Drogin. ...

Jupiter's shrinking red spot

... its next-row neighbors. But new research at Purdue University has shown that anyone -- a flight attendant or a passenger, for instance -- merely walking down an airliner's aisle will disrupt this carefully designed flow pattern by creating a wake of eddies that can spread contaminants as far as 10 ...

Animal and biological science highlights: San Antonio Fluid Dynamics Conference, Nov. 23-25

... its next-row neighbors. But new research at Purdue University has shown that anyone -- a flight attendant or a passenger, for instance -- merely walking down an airliner's aisle will disrupt this carefully designed flow pattern by creating a wake of eddies that can spread contaminants as far as 10 ...

Forgotten but not gone -- how the brain takes care of things

... to gain its freedom, our brain is able to learn very complex associations and sequences of movement. This not only helps us to avoid accidents like walking into glass doors, but also enables us to acquire such diverse skills as riding a bicycle, skiing, speaking different languages or playing an ...

Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida

... the ability to move is impaired, such as in Parkinson's disease, the effect can be catastrophic, often making basic rhythmic motor activities like walking impossible. However, researchers believe that the deep connection between music and movement can be used to assist those with movement disorders, as ...

Brain recognizes verbal 'oh dear' wave

... conclusion of the study is that the way in which the brain uses language is not fundamentally different from how other actions such as grabbing or walking are carried out. The 'Oh-dear' wave registers errors so rapidly that they can sometimes be corrected in time. In this way you can stop yourself from ...

Ben-Gurion University of the Negev researchers help find that hypnosis can induce synesthesia

... by real synesthetes in their everyday life. For example, one participant described her experience while under posthypnotic suggestion as "When I'm walking on the street, the car registration numbers, if those numbers are on the registration, I see them in those colors." Moreover, hypnotized participants ...

Study: Elderly Women can increase strength but still risk falls

... increasing power, which is more closely related to preventing falls. "Power is more important than strength for recovery from loss of balance or walking ability," says Dain LaRoche, assistant professor of exercise science at UNH and the lead author of the study. Preventing falls, which occur in 40 ...
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