Tag: "legs" at biology news
Heat can help maintain muscle mass in immobilized limbs, study shows
...s that received no heat therapy and had their hind legs
suspended were 40 percent below normal, the study ...in rats that received heat treatment and had their legs
suspended were 35 percent above normal values. "Muscle atrophy occurs when there is a decrease in...
Amphibian declines complicated, disturbing
...hat has arisen over frog deformities such as extra legs
has been linked to a trematode parasite known as a fluke," Blaustein said. "But these flukes have been around forever and we never observed the level of problem we're now seeing with deformed frogs. One thing we know is that these flukes live part of...
Protein that stimulates blood vessel growth also helps repair broken bones
...ed with pain-relieving drugs. After splinting the legs
of these mice, the researchers shifted the splint each day to a different position, a procedure that prevents healing growth of new bone, presumably by destroying the newly forming networks of blood vessels. Manipulating these tiny splints consist...
New fossil snake with legs, reported in Science
...to an evolutionary riddle, a new fossil snake with legs
has emerged from 95 million year-old deposits near...why do these two snake species have hind limbs? If legs
were the norm for snake ancestors, it would make sense to see the species' advanced anatomy as only ...
Integrative approach to studying penguins, cockroaches and little hairy noses makes comparative biomechanics group at UC Berkeley the nation's best
..., Berkeley, Claire Farley tapes bright dots to the legs
of students and videotapes them running across a s...ches, crabs and centipedes to discover how springy legs
provide stability, while down the hall, Steven Lehman stretches rabbit muscle fibers to find out how...
Ancient feathered animal challenges dinosaur-bird link
...uama was a small, lizard-sized glider. It had four legs
and feathers on its body that would have been adequate for gliding but lacked the musculature for flying, Ruben said. The oldest animal prior to this that everyone agrees was a feathered bird is called Archaeopteryx, which first appears in the foss...
Honey as healer
...he hospital, he had multiple purple batches on his legs
and fingers, which rapidly progressed to tissue death. Both legs
were amputated below the knee as well as fingers on both hands. He endured multiple skin grafts and ...
Genetic 'switch' key to biotech patent royalties
...with alternating phosphates and sugars forming the legs
and nucleotide base pairs making up the rungs. Although the nucleotide pairs are represented by only four lettersA,C,T and G they combine in infinite varieties to create the language of life. Keller's "switch" is actually a repressor protein that ...
New shoes for speed freaks
...oes may also reduce the wear and tear on athletes' legs
caused by repetitive training. And Nigg hopes they will one day be adapted to make walking less physically tiring. "If you do it right, an elderly person may be able to walk two miles rather than one and a half miles."...
Virginia Tech teams with US Army on exercise research
...c resistance exercise on the non-dominant arms and legs
of participants. The exercises do not employ free weights for resistance but use a special exercise machine, the Biodex, which controls the speed of the working muscles, thus allowing expression of more force than free weights over the entire range o...
Bullfrogs invading Canada's west coast
...heir aquatic gardens or farm frogs for their tasty legs
-- who brought the first bullfrogs to B.C.'s Lower Mainland and Vancouver Island several decades ago. The frogs have been spreading in leaps and bounds ever since. "Their range on the Island is expanding by about five kilometres a year, mainly near...
Offshore oil and gas platforms could provide more than just fuel; cures for cancer and AIDS could be at stake
...barnacles, algae and mollusks -- that cling to the legs
of the platforms. The $1.1-million study, which will be co-funded by an award from the U.S. Department of the Interior's Minerals Management Service and LSU, will examine such marine life to see if it has any pharmaceutical value or other commerc...
Prosthetic limb to be controlled by microchip: Agreement signed to create smart leg
Albuquerque, N.M. "Smart" legs
entire smart lower limbs to replace those amputated from tens of thousands of Americans yearly as a result of auto accidents, diabetes, or other causes are expected to be on the market in two years. Sensors and chips will be developed by the D...
Newly found bipedal reptile fossil predates dinosaurs by more than 60 million years
...ys. "It was thought that the ability to run on two legs
and stand upright first emerged in dinosaurs and their relatives. But this discovery has shown interesting and exciting things happening in the evolutionary history of reptiles well before the advent of dinosaurs. Other work, some of it still in prog...
Ancient running reptile was bipedal, say Science researchers
...uished its locomotion from the sprawling, arms and legs
akimbo gait used by other tetrapods of the time. E...lly indicative of bipedal locomotion, since longer legs
lengthen an animal's overall stride, increasing its speed. Eudibamus probably ran up on its toes, ...
Stem cells graft in spinal cord, restore movement in paralyzed mice
...the spinal cord to muscles deteriorate. They drag legs
and feet behind them. Fifty percent of the stem-cell treated rodents, however, recovered the ability to place the soles of one or both of their hind feet on the ground. "This research may lead most immediately to improved treatments for patient...
On-line info leads to gene identification
...sorder, which can cause lower leg deformity (bowed legs
and knock knees), missing teeth, bone pain and fractures. Individuals with ADHR do not produce phosphorus, an important element in bone development. Michael J. Econs, M.D., associate professor of medicine and of medical and molecular genetics, an...
New research aims to help rowers take the strain off their backs
...he angles between key parts of the lower spine and legs
to be measured whilst the oarsmen practised on the ergometer - a rowing simulator machine. After rowing strenuously for a 10 minute period - leading towards fatigue - the rowers were asked to simulate bad technique in three common faulty styles - kno...
USGS issues alert for deadly disease in birds
...ash land, swim tipped to one side with one or both legs
or wings extended, or may be in the water on their back with feet in the air. On land, birds may stagger and have difficulty walking; they may fall over and be unable to right themselves (appear intoxicated). Birds are usually alert and may bite when...
Waddling is a good way to make up for short legs - at least for penguins, say UC Berkeley researchers
...f their waddling, but because they have such short legs
that require their leg muscles to generate force v...s that they are inefficient because of their short legs
and big feet, and waddling is a means to cut their losses." The waddling motion is analogous to an i...
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