Articles tagged with Muscles
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A recent study published in the Journal of Women's Health found that a soy-based S-equol supplement reduced hot flash frequency by 3.09-3.66 daily and muscle/joint pain significantly compared to a standard soy isoflavone supplement. The study involved 102 US postmenopausal women who experienced high hot flash frequencies.
A new study found that consuming a blend of proteins (soy, whey and casein) post-workout can increase muscle protein synthesis and provide an extended release of amino acids. This combination appears to offer the optimal delivery of essential amino acids for up to five hours.
Researchers at Northwestern University developed a new brain-machine interface that directly delivers electrical signals from the brain to muscles, enabling complex movement of a paralyzed hand. The device was tested on monkeys and showed promising results, with potential applications for paralyzed patients.
Researchers have developed a neuroprosthesis that combines brain-computer interface and functional electrical stimulation to restore complex hand movements in paralyzed monkeys. The device bypasses the spinal cord, allowing intentional, brain-controlled muscle contractions.
A new study found that women's knees are more susceptible to injury due to differences in motion and nervous system processing. Women tend to have knee motions that make them more prone to ACL injuries, whereas men's knees process nerve impulses similar to explosive muscle usage.
Researchers have discovered a hormone that can be produced by fat stem cells to lower blood sugar levels and improve metabolism. The hormone appears to bypass the need for insulin, sending glucose out of the bloodstream and into muscle cells.
A study by Dana-Farber Cancer Institute reveals that rapamycin triggers diabetic-like symptoms in some patients through activity of protein YY1. The researchers found that mice without the YY1 protein were protected against the effects, raising caution about the use of rapamycin.
A study found that experienced Tai Chi practitioners have better arterial compliance and knee muscle strength than their non-practitioner counterparts. This suggests that Tai Chi may be a suitable exercise for older people to improve both cardiovascular function and body strength, without compromising arterial health.
A new guideline from the American Academy of Neurology confirms IVIg as an effective treatment for Guillain-Barré syndrome and chronic inflammatory demyelinating polyneuropathy (CIDP). The therapy has been shown to be as effective as plasma exchange in treating GBS, with long-term use also helping to manage CIDP. Serious side effects a...
Scientists have developed thin, flexible 'electronic skin' patches that can monitor brain, heart, and muscle activity without wires or invasive procedures. The patches can be applied to the skin like temporary tattoos and provide real-time health data through wireless capabilities.
A study published in PNAS reveals that a deficiency of Mitofusin 2 protein causes insulin resistance and glucose intolerance in mice, highlighting its potential as a target for treating type 2 diabetes. The researchers also note that the protein plays a crucial role in maintaining normal glucose homeostasis.
The University of Texas at Dallas and Virginia Tech have created an undersea vehicle inspired by the common jellyfish, which runs on renewable energy. The robotic jellyfish, dubbed Robojelly, feeds off hydrogen and oxygen gases found in water, producing only water as waste.
Researchers have discovered two proteins, Kif5B and MAP7, that play a vital role in positioning muscular nuclei on the edge of muscle fibers. The study, published in Nature, sheds light on the mechanism behind this process, which is essential for skeletal muscle function.
Researchers discovered that Fasudil increases the size of muscle fibers and their connection to motor neurons, improving the movement of SMA mice. This treatment bypasses the genetic cause of spinal muscular atrophy (SMA) by targeting the ROCK intracellular signaling pathway.
Researchers discovered that exercise alters DNA molecules within muscles, leading to improved strength and metabolism. The study also found that caffeine can mimic this effect, suggesting a potential alternative to traditional exercise for some individuals.
The study found that the conversion of testosterone to DHT is not necessary for its effects on muscle mass, strength, and other body functions. The findings suggest that 5α-reductase inhibitors may be safe for men with normal or high testosterone levels, but measurement of testosterone levels may be useful to identify those less likely...
Researchers discovered that inhibiting the activity of Forkhead boxO proteins prevents muscle loss in cancer and sepsis, while promoting muscle growth in healthy control animals. This breakthrough offers new potential treatments for muscle-wasting diseases.
Researchers used computer models to reconstruct T. rex's jaw muscle and found its bite force could reach up to 57,000 Newtons, making it the most powerful bite among terrestrial animals.
A Nationwide Children's Hospital study found that muscle regeneration may create an ideal environment for rhabdomyosarcoma to arise. The research uses mouse models of muscular dystrophy to investigate the growth of eRMS, a fast-growing and highly malignant tumor subtype.
A new clinical trial shows that high doses of 'load' through programmed electrical stimulation of the muscle significantly slows bone density loss in patients with spinal cord injury. Average bone density in the femur was almost 40% lower in patients who received low or no load compared to those who received high load.
Researchers at EMBL Hamburg used advanced techniques to study myomesin's three-dimensional structure and its role in maintaining muscle fibers. The discovery sheds light on the protein's function in living organisms, particularly in animal models.
A protein called biglycan is essential for stabilizing synapses at the neuromuscular junction, a process crucial for muscle control and long-term health. Research suggests that biglycan could be a potential therapy for motor neuron diseases such as spinal muscular atrophy and ALS.
Scientists at EMBL Hamburg have discovered the myomesin protein can stretch up to two-and-a-half times its length, unfolding in a previously unknown way. The study reveals the protein's superhelical architecture and unusual elastic properties, shedding new light on muscle contraction mechanisms.
A new surgical procedure called superior rectus transposition with adjustable medial rectus recession has shown promising results in aligning the eyes of patients with complex strabismus. The procedure, adopted at Boston Children's Hospital, allows for precise eye movement fine-tuning in the recovery room or up to a week after surgery,...
Researchers found that 12-weeks of high-speed power training improves muscular power in older people. The study showed significant gains in neuromuscular and cardiovascular function, as well as improved functional capacity and quality of life. Power training is a promising measure for preventing or reducing loss of functional capacity ...
A University of Colorado Boulder study found that continued practice after mastering a task can decrease overall energy costs by up to 20%, making movements more efficient. The research, led by Assistant Professor Alaa Ahmed, used robotic arm exercises to measure metabolic cost and muscle activity in test subjects.
Researchers found that agrin and LRP4 form two diverse work teams to activate MuSK, enabling communication between neurons and muscles. This discovery may lead to new treatments for myasthenia gravis and other muscle diseases, as well as insights into neurodegenerative conditions like Alzheimer's and Parkinson's.
A study by Concordia University and McGill University Health Centre found a strong link between muscle mass and strength in cancer patients with severe fatigue. The researchers suggest that specialized strength training programs could improve muscle mass and reduce fatigue, enhancing the quality of life for these patients.
Research reveals that cirrhosis patients losing muscle mass have a significantly shorter survival rate than those with normal muscle mass. The study's findings suggest that muscle mass should be considered alongside current scoring systems when assessing transplant list placement.
Researchers at the University of Illinois discovered that exercise can trigger adult stem cells in muscle, releasing growth factors that promote muscle regeneration. The findings may provide a link between exercise and muscle health, with potential applications for rehabilitation and preventing age-related muscle loss.
Researchers at McMaster University found a 10-minute massage significantly reduces inflammation in muscle, triggering biochemical signals that can aid healing. The study suggests massage may be an effective alternative to pain medications for recovery from injury.
A research team led by Prof. Dr. Wolfgang Linke has discovered that protein networks play a crucial role in stabilizing muscle fibers using the same mechanism as DNA methylation. The study found that disrupting this network leads to significant changes in muscle structure and function.
A new study uses advanced imaging to measure tricuspid valve anatomy and predict the severity of leakage. The research found that pulmonary arterial pressure, annulus area, and papillary muscle position are correlated with the grade of tricuspid regurgitation.
Researchers found that AICAR, an experimental therapy, protected animals from heat-induced sudden death and may hold promise for treating people with enhanced susceptibility to heat stroke. The drug works by reducing calcium leakage from RYR1, thus diminishing heat-induced contractions and muscle damage.
A compound called AICAR has been found to prevent heat-induced deaths in mice with a gene mutation that makes them sensitive to heat. The study's findings suggest that AICAR could protect young athletes and soldiers from heat-related illnesses, potentially saving lives during exercise.
At around 2 meters per second, running makes better use of a key calf muscle than walking, increasing efficiency and conserving energy. This discovery sheds light on why speed walking is generally confined to the Olympics.
A study in Cell Metabolism identifies serum response factor (Srf) as a crucial signal that tells surrounding muscle stem cells to multiply and join muscle fibers, controlling muscle growth. SRF's role in regulating muscle atrophy is also confirmed, with potential applications for therapies targeting its targets.
Researchers discovered that increased production of microRNA miR-21 stimulates progressive muscle deterioration in a mouse model of Duchenne muscular dystrophy. Inhibiting miR-21 reduced collagen levels and prevented fibrogenesis in diseased animals, suggesting it as a potential therapeutic target.
A study published in Frontiers in Zoology has found a hybrid system in pearl-perch that utilizes characteristics of both slow and fast systems for sound production. This discovery takes researchers closer to understanding the evolution of superfast sonic muscles that drive swimbladder vibration.
Researchers at the Wellcome Trust Sanger Institute have identified two cell surface proteins, Jamb and Jamc, crucial for muscle cell fusion. The discovery sheds light on cellular fusion and its importance in muscle development, potentially leading to new treatments for muscle-wasting disorders.
Whole-body cryotherapy outperforms far-infrared radiation and no treatment in enhancing post-exercise recovery for well-trained runners. Three cryotherapy sessions over 48 hours accelerated recovery more than other methods.
Researchers discovered that nerve impulses from muscles inhibit motor areas in the brain, leading to muscle fatigue. The insular cortex plays a key role in regulating muscle performance, with increased activity preceding fatigue.
The Biophysical Society has announced 2012 CPOW Travel Award winners, recognizing postdoctoral female researchers presenting at the conference. The award aims to increase participation of women in biophysics.
Researchers found that ephrin proteins help satellite cells navigate and differentiate into muscle fibers. By understanding this process, they hope to develop more effective treatments for muscular dystrophy, a condition where muscles are easily damaged and patients' satellite cells lose their ability to repair.
Researchers at Sanford-Burnham Medical Research Institute discovered a way to reprogram muscle cells to burn sugar more efficiently, resulting in increased athletic ability and reduced lactic acid production. This novel mechanism could lead to new prevention or treatment methods for obesity, metabolic syndrome, and diabetes.
A team of scientists from Worcester Polytechnic Institute and CellThera regenerated functional muscle tissue in mice using a novel protocol that combined reprogramming human cells and biopolymer microthreads. The study showed promising results, with most new muscle fibers composed of mouse cells, suggesting that fibrin microthreads alo...
A health supplement commonly used by bodybuilders, L-tyrosine, has shown rapid and dramatic improvement in muscle wasting disease Nemaline Myopathy (NM) in laboratory tests on mice. Trials suggest it could also be effective for a range of other muscle-wasting diseases, offering new hope for treating children affected by the condition.
Researchers have discovered a new way to build muscle by suppressing a natural inhibitor, resulting in mice and worms with super-strong muscles. This breakthrough could lead to treatments for age-related or genetics-related muscle degeneration, as well as applications for athletes and individuals with genetic muscular dystrophy.
Researchers at Max Planck Institute identified the genetic switch Spalt that regulates flight muscle formation in flies. Without Spalt, flies are flightless, but can still move their legs normally. This discovery has potential medical applications for understanding and regulating human muscle function.
Researchers at Brown University discovered that frogs' stretchy tendons are the key to their impressive jumping abilities. The study shows how the leg muscle shortens and loads energy into the tendon before releasing it to propel the frog forward, enabling them to jump much farther than expected.
Scientists at Oregon Health & Science University have identified a definitive role for the brain in regulating involuntary muscle mass loss associated with chronic illnesses. The process is driven by a signaling system that controls stress responses and cortisol release.
Two studies found that reducing NCoR in muscles increases exercise capacity and fat-burning, while reducing it in fat cells improves insulin sensitivity. The findings imply that limiting NCoR activity could be a potential treatment strategy for metabolic disorders.
Researchers create super-strong mice and nematodes by reducing natural inhibitor function, leading to denser muscle fibers and increased energy delivery. This breakthrough could lead to treatments for age-related or genetically caused muscle degeneration.
Researchers have identified a potential oral therapy for HSAN1, an inherited nerve dysfunction characterized by progressive muscle control loss. Oral administration of L-serine reversed deoxysphingolipid accumulation and reduced neuropathy severity in mice and humans with the disease.
Researchers at the University of Leeds have discovered that leg muscle dysfunction is related to the severity of symptoms in heart failure patients. Daily activity in these patients can be limited by impaired leg muscles, not just a failing heart.
A recent study published in the Journal of Clinical Endocrinology & Metabolism found that higher levels of testosterone were associated with reduced loss of lean muscle mass in older men. Higher testosterone levels were also linked to less loss of lower body strength, particularly in those who were losing weight.
Researchers found a previously unknown molecular pathway controlling ion channel number and location on the cell surface, affecting heart rhythm and other muscle activity. This discovery may lead to new treatments for heart arrhythmia and related conditions such as paralysis and kidney disorders.
A reconstruction based on the skull of Norway's best-preserved Stone Age skeleton, Viste Boy, has been scientifically rebuilt to study features of a boy who lived outside Stavanger 7,500 years ago. The model reveals a strong and muscular individual with scaphocephaly, challenging earlier theories about his health.
A study found that amino acid supplements can significantly reduce protein degradation in horse muscles after intense exercise. This could lead to an advantageous effect on muscle mass and improved training efficiency in sport horses.
Researchers at Emory University School of Medicine have identified a set of genes that act in muscles to modulate aging and resistance to stress in fruit flies. Mutations in these genes speed up the process of aging and make the flies more sensitive to oxidative stress.