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Current Muscles News and Events, Muscles News Articles.
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Migraine surgery offers good long-term outcomes
Surgery to (2011-02-02)

Nitrate improves mitochondrial function
The spinach-eating cartoon character Popeye has much to teach us, new research from the Swedish medical university Karolinska Institutet shows. The muscles' cellular power plants -- the mitochondria -- are boosted by nitrate, a substance found in abundance in vegetables such as lettuce, spinach and beetroot. (2011-02-02)

Henry Ford Hospital study: Shoulder function not fully restored after surgery
Shoulder motion after rotator cuff surgery remains significantly different when compared to the patient's opposite shoulder, according to a Henry Ford Hospital study. In a study that updated prior findings, researchers used X-rays providing a 3D view of motion of the arm bone in relation to the shoulder blade, to compared motion in the shoulders of 22 patients who had arthroscopic surgical repair of tendon tears and no symptoms in their other shoulders. (2011-01-16)

LCD projector used to control brain and muscles of tiny organisms such as worms
Researchers are using inexpensive LCD projectors to control the brain and muscles of tiny organisms, including freely moving worms. This technology advances the field of optogenetics, which has given researchers unparalleled control over brain circuits in laboratory animals. (2011-01-16)

Inventions of evolution: What gives frogs a face
Zoologists of the University Jena (Germany) analysed the central factor for the development of the morphologically distinctive features of the tadpoles. (2011-01-13)

Use of amniotic membrane may cause complications in strabismus surgery
Postoperative adhesions are a major complication in strabismus surgery. Amniotic membrane has been used in the hopes of preventing these adhesions by forming a biological barrier during healing. In an article in the December 2010 issue of the Journal of AAPOS, the Official Publication of the American Association of Pediatric Ophthalmology and Strabismus, a team of researchers from Cairo University have discovered that the new approach may also have the opposite effect. (2011-01-03)

Human protein improves muscle function of muscular dystrophy mice
Now headed toward human trials, biglycan significantly slows the weakening of muscles in mice with the genetic mutation that causes muscular dystrophy. Biglycan causes utrophin,a natural muscle-building protein prevalent in young children, to collect in muscle cell membranes. (2010-12-27)

Training the best treatment for tennis elbow
Training and ergonomic advice are more effective than anti-inflammatory drugs and cortisone injections in treating tennis elbow, and give fewer side effects. This is the conclusion of a thesis presented at the University of Gothenburg, Sweden. (2010-12-20)

New NIH grant helps MU scientist get to the heart of muscular dystrophy
A new $2.1 million grant from the National Institutes of Health will help develop a treatment that prevents heart muscles from weakening as a result of Duchenne muscular dystrophy. Dongsheng Duan, Ph.D., a Margaret Proctor Mulligan Distinguished Professor in Medical Research at the MU School of Medicine, has demonstrated that cardiac muscle requires different treatment than skeletal muscle. (2010-12-06)

New insights about Botulinum toxin A
A new study by researchers at the Faculty of Kinesiology, University of Calgary, found animals injected with Botulinum toxin A experienced muscle weakness and atrophy far from the site of injection. (2010-12-02)

A fountain of youth in your muscles
Prof. Dafna Benayahu of Tel Aviv University's Sackler School of Medicine has discovered how endurance exercise, like jogging or spinning classes, increases the number of muscle stem cells, enhancing their ability to rejuvenate old muscles. She hopes that her finding will lead to a new drug to heal muscles faster. (2010-12-01)

The couch potato effect
Mice without the protein PGC-1 develop normally but are unable to exercise. Obese humans are also deficient in PGC-1. (2010-11-30)

Ancient wind held secret of life and death
The mystery of how an abundance of fossils have been marvelously preserved for nearly half a billion years in a remote region of Africa has been solved by a team of geologists from the University of Leicester's Department of Geology. (2010-11-29)

Fat yet muscular mouse provides clues to improving cardiovascular health
A fat yet muscular mouse is helping researchers learn whether more muscle improves the cardiovascular health of obese individuals. (2010-11-22)

$1.6 million to take forward breakthrough research in heart disease
Clues to the causes of serious, and often fatal, diseases and conditions, such as heart disease, stroke and high blood pressure, are being investigated at the Universities of Strathclyde and Glasgow, both in Scotland, with the use of a $1.6 million grant. (2010-11-22)

New spinal implant will help people with paraplegia to exercise paralyzed limbs
Engineers have developed a new type of microchip muscle stimulator implant that will enable people with paraplegia to exercise their paralyzed leg muscles. It is the first time that researchers have developed a device of this kind that is small enough to be implanted into the spinal canal and incorporates the electrodes and muscle stimulator in one unit. The implant is the size of a child's fingernail. (2010-11-22)

Invention helps students learn surgical techniques before operating on patients
In the last 50 years, modern medicine has made astounding advances in surgery, yet many of today's veterinary and human medicine students still hone basic surgical and suturing skills on carpet pads and pig's feet before transitioning to a live patient. An invention by Colorado State University veterinarians provides students with artificial body parts that look, feel, behave, and even bleed just like real skin, muscles and vessels, bridging the gap between classroom lectures and procedures on real human or animal patients. (2010-11-19)

T. rex's big tail was its key to speed and hunting prowess
Tyrannosaurus rex was far from a plodding Cretaceous era scavenger whose long tail only served to counterbalance the up-front weight of its freakishly big head. T. rex's athleticism (and its rear end) has been given a makeover by University of Alberta graduate student Scott Persons. His extensive research shows that powerful tail muscles made the giant carnivore one of the fastest moving hunters of its time. (2010-11-15)

Stem cell transplants in mice produce lifelong enhancement of muscle mass
University of Colorado at Boulder-led study shows that specific types of stem cells transplanted into the leg muscles of mice prevented the loss of muscle function and mass that normally occurs with aging, a finding with potential uses in treating humans with chronic, degenerative muscle diseases. (2010-11-10)

Kent State geology professors study oldest fossil shrimp preserved with muscles
Rodney Feldmann, professor emeritus, and Carrie Schweitzer, associate professor, from Kent State University's Department of Geology report on the oldest fossil shrimp known to date in the world. The creature in stone is as much as 360 million years old and was found in Oklahoma. (2010-11-09)

X-rays offer first detailed look at hotspots for calcium-related disease
Using intense X-rays from the Stanford Synchrotron Radiation Lightsource, researchers have determined the detailed structure of a key part of the ryanodine receptor, a protein associated with calcium-related disease. Their results, which combine data from SSRL and the Canadian Light Source, pinpoint the locations of more than 50 mutations that cluster in disease (2010-11-04)

Uncovering the cause of a common form of muscular dystrophy
An international team of researchers led by an investigator from Fred Hutchinson Cancer Research Center has made a second critical advance in determining the cause of a common form of muscular dystrophy known as facioscapulohumeral dystrophy, or FSHD. (2010-10-28)

Mathematical model helps marathoners pace themselves to a strong finish
Most marathon runners know they need to consume carbohydrates before and during a race, but many don't have a good fueling strategy. Now, one dedicated marathoner -- an M.D./Ph.D. student in the Harvard-MIT Division of Health Sciences and Technology -- has taken a more rigorous approach to calculating just how much carbohydrate a runner needs to fuel him or herself through 26.2 miles, and what pace that runner can reasonably expect to sustain. (2010-10-21)

Does clenching your muscles increase willpower?
The next time you feel your willpower slipping as you pass that mouth-watering dessert case, tighten your muscles. A new study in the Journal of Consumer Research says firming muscles can shore up self-control. (2010-10-18)

Computational model of swimming fish could inspire design of robots or medical prosthetics
Scientists at the University of Maryland and Tulane University have developed a computational model of a swimming fish that is the first to address the interaction of internal and external forces on locomotion. The research team simulated how the fish's body bends, depending on the forces from the fluid moving around it as well as the muscles inside. Understanding these interactions will help design medical prosthetics for humans that work with the body's natural mechanics. (2010-10-18)

Image of mosquito's heart wins first place in Nikon's 'Small World' photomicrography competition
A fluorescent image of the heart of a mosquito taken by a Vanderbilt graduate student has captured first place in Nikon's (2010-10-15)

Struggling for breath
Patients with a common chest deformity known as sunken chest exhibit abnormal breathing patterns. The findings were the result of a side-by-side comparison of patients with normal chests and patients who suffer from the chest wall deformity known as pectus excavatum. (2010-10-10)

Gene therapy reveals unexpected immunity to dystrophin in patients with Duchenne muscular dystrophy
An immune reaction to dystrophin, the muscle protein that is defective in patients with Duchenne muscular dystrophy, may pose a new challenge to strengthening muscles of patients with this disease, suggests a new study appearing in the Oct. 7, 2010, issue of the New England Journal of Medicine. (2010-10-06)

Researchers at the University of Granada associate trigger points with shoulder injury
Twenty-five out of 1,000 visits to the family doctor are related to shoulder pain. This is currently the cause of 13 percent of sick leaves, and it costs the American health system $7 billion. (2010-09-30)

Light workout: Stanford scientists use optogenetics to effectively stimulate muscle movement in mice
Researchers at Stanford University were able to use light to induce normal patterns of muscle contraction, in a study involving bioengineered mice whose nerve-cell surfaces are coated with special light-sensitive proteins. (2010-09-26)

Mayo Clinic finds inflammation causes some postsurgical neuropathies
A new Mayo Clinic study found that nerve inflammation may cause the pain, numbness and weakness following surgical procedures that is known as post-surgical neuropathy. (2010-09-22)

Single gene regulates motor neurons in spinal cord
In a surprising and unexpected discovery, scientists at NYU Langone Medical Center have found that a single type of gene acts as a master organizer of motor neurons in the spinal cord. The finding, published in the Sept. 9, 2010, issue of Neuron, could help scientists develop new treatments for diseases such as Lou Gehrig's disease or spinal cord injury. (2010-09-08)

Functional motor neuron subtypes generated from embryonic stem cells
Scientists have devised a method for coaxing mouse embryonic stem cells into forming a highly specific motor neuron subtype. The research, published by Cell Press in the Sept. 3 issue of the journal Cell Stem Cell, provides new insight into motor neuron differentiation and may prove useful for devising and testing future therapies for motor neuron diseases. (2010-09-02)

'You kick like a girl'
Significant differences in knee alignment and muscle activation exist between men and women while kicking a soccer ball, according to a study published this month in the Journal of Bone and Joint Surgery. Data reveal that males activate certain hip and leg muscles more than females during the motion of the instep and side-foot kicks -- the most common soccer kicks -- which may help explain why female players are more than twice as likely as males to sustain an anterior cruciate ligament injury. (2010-09-01)

Surgery to repair torn shoulder muscles in the elderly can reduce pain and improve function
Repairing torn shoulder muscles in elderly patients is often discouraged because of fears of complications. But a new study conducted at Rush University Medical Center has shown that minimally invasive, or arthroscopic, surgery can significantly improve pain and function. (2010-09-01)

New molecular signaling cascade increases glucose uptake
Scientists have discovered a novel molecular pathway which is activated in muscles during exercise. This is important because it is known that the contraction-induced signaling to stimulate glucose transport is distinct from that utilized by insulin. Thus, for individuals in which insulin only has little effect (insulin resistance) the contraction-induced pathway represents an alternative pathway to increase glucose uptake. (2010-08-20)

Experiments show blood pressure drugs could help fight frailty
Researchers believe they've found a way to use widely available blood pressure drugs to fight the muscular weakness that normally accompanies aging. (2010-08-19)

With muscle-building treatment, mice live longer even as tumors grow
In the vast majority of patients with advanced cancer, their muscles will gradually waste away for reasons that have never been well understood. Now, researchers reporting in the Aug. 20 issue of Cell, a Cell Press Publication, have found some new clues and a way to reverse that process in mice. What's more, animals with cancer that received the experimental treatment lived significantly longer, even as their tumors continued to grow. (2010-08-19)

Astronaut muscles waste in space
Astronaut muscles waste away on long space flights reducing their capacity for physical work by more than 40 percent, according to research published online in the Journal of Physiology. This is the equivalent of a 30- to 50-year-old crew member's muscles deteriorating to that of an 80-year-old. The destructive effects of extended weightlessness to skeletal muscle -- despite in-flight exercise -- pose a significant safety risk for future manned missions to Mars and elsewhere in the universe. (2010-08-17)

Spinal muscular atrophy may also affect the heart
Along with skeletal muscles, it may be important to monitor heart function in patients with spinal muscular atrophy (SMA). These are the findings from a study conducted by Nationwide Children's Hospital and published online ahead of print in Human Molecular Genetics. This is the first study to report cardiac dysfunction in mouse models of SMA. (2010-08-11)

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