Research on muscle biology and repair. Covers tissue maintenance, Parkinson's protection, repair-cell preservation, and muscle strength with age.
Researchers identified a link between neck muscles and primary headaches, including tension-type headaches and migraines. Muscle T2 values were found to be significantly associated with headache frequency and neck pain.
Researchers developed a lightweight wearable balance exercise device to improve reactive postural control in older adults, reducing the risk of falls. The device uses pneumatic artificial muscles to generate unexpected perturbations, resulting in improved peak displacement and velocity.
Researchers found that a higher ratio of quadriceps to hamstring muscle volume was significantly associated with lower odds of total knee replacement. Training programs that strengthen the quadriceps in relation to the hamstrings may be beneficial for preventing knee replacement surgery.
A new forecast projects 1060 million people worldwide will live with 'other' musculoskeletal disorders by 2050, increasing healthcare needs and pressures on stretched systems. Research found these conditions are reported higher in females, increase with age, and peak at 60-69 years.
A novel system for slip prevention of unmanned rovers has been developed by researchers at Shibaura Institute of Technology. The system uses strain displacement data to detect the traveling state of the rover and prevent slipping incidents. It also detects environmental obstacles, such as rocks and stones.
A new study found that social media platforms restrict user-generated content and advertising related to illegal muscle-building drugs but offer few restrictions on legal dietary supplements. This has raised concerns about the potential negative effects of these products on young people's health and behavior.
A new analysis of ancient fish bones and muscles suggests that the shoulder evolved from a modified version of the gill-arch hypothesis that reconciles it with the fin-fold hypothesis. The study, led by Dr Martin Brazeau and Natural History Museum researchers, provides new insights into the evolution of the shoulder girdle in animals.
Researchers from the Institute for Basic Science developed a novel approach to healing muscle injury using conductive hydrogels and robot-assisted rehabilitation. The injectable tissue prosthesis enhances gait in rodent models without nerve stimulation, while improving long-term muscle tissue regeneration.
Researchers created a hydrogel mat with magnetic microparticles that mimic the forces of exercise. The team found that regularly exercising muscle cells resulted in longer, aligned fibers, and improved contraction capabilities.
Using magnets, scientists have found a way to align muscle fibers in tissue, allowing for the development of model tissues and potential therapies for muscle injuries or diseases. The method, which involves mechanically stimulating muscle cells with magnetic forces, shows promise for understanding muscle growth and function.
A new study found that muscle dysmorphia symptoms are associated with increased risk of suicidal thoughts and behaviors among Canadian adolescents and young adults. The study highlights the need for greater awareness and proper identification of muscle dysmorphia symptoms to prevent future suicidal ideation and suicide planning.
A new study suggests that progressive strength training using resistance can protect against the detrimental effects of a high-protein diet. The research found that exercise protected mice from gaining excess fat mass, but did not affect blood sugar control. This paradoxical finding has implications for athletes and individuals with se...
Researchers developed robotic prosthetic ankles controlled by nerve impulses, allowing amputees to move more naturally and improving stability. The study found that users were significantly more stable when using the robotic prototype, changing their postural control strategy and mimicking the body's behavior.
Researchers at Stanford Medicine have discovered a small molecule that restores lost connections between nerves and muscle fibers in aging mice, leading to improved strength and function. The study suggests that the drug may one day be used to prevent or treat muscle loss due to aging or disease.
Research reveals that low muscle mass is associated with a two-fold risk of death from cardiovascular disease in individuals with diabetes. The study found that body composition, not just weight loss, plays a crucial role in managing weight in people with diabetes.
Research suggests that trans men and women have a higher risk of cardiovascular disease, while the link to diabetes remains uncertain. Testosterone therapy may contribute to increased cardiovascular risk in trans men, whereas hormone treatments for trans women do not explain this association.
Researchers at Tohoku University have developed a model predicting torque generated from electrical stimulation in stick insect leg muscles, allowing for precise control of insect movement. The study's findings have the potential to refine motor control of tuned biohybrid robots and enable adaptable devices with various applications.
A Singapore study found that drinking coffee and tea at midlife is associated with reduced likelihood of physical frailty in late life. The study, led by Professor Koh Woon Puay, analyzed data from over 12,000 participants aged 45-74 years old.
A recent study by the University of Toronto has found a significant link between food insecurity and muscle dysmorphia symptoms among adolescent and young adult Canadians. The research revealed that individuals experiencing food insecurity were more likely to suffer from symptoms of muscle dysmorphia, including functional impairment an...
Researchers at Helmholtz Munich discovered how exercise influences muscle function, immune cells, and metabolism in conditions like obesity and type 2 diabetes. They found that regulatory T cells play a critical role in controlling muscle function and regeneration.
A new study found that patients with patellofemoral pain have smaller muscles in their hips and hamstrings, which are not typically targeted in rehabilitation. This suggests that personalized rehabilitation approaches may be necessary to effectively address chronic knee pain.
A recent policy analysis highlights gaps in Canadian regulation of muscle-building dietary supplements, including whey protein and creatine monohydrate. The lack of consistent manufacturing site and product safety testing poses significant health risks to young people.
Endurance training triggers profound muscle remodeling, with trained muscles responding differently to physical stress by activating protective genes and epigenetic modifications. This adaptation enables trained muscles to be more efficient and resilient, ultimately leading to increased muscle endurance.
A study published in Frontiers in Neuroscience found that the activity of zygomaticus major, heart rate variability, and EEG indicators can predict film scores. The researchers used a machine learning model to analyze physiological data from 21 participants who watched short films and rated them on a scale from 1 to 10.
A novel study found that consuming two oz-eq portions of animal-based versus plant-based protein foods results in different EAA bioavailability. The study, conducted by scientists at Purdue University, included young and older adults, with no differences in EAA bioavailability between age groups.
Moderate and vigorous aerobic physical activity combined with muscle-strengthening activity may lower mortality risk. Higher levels of moderate and vigorous aerobic activity are associated with lower cancer and all-cause mortality rates.
Researchers found that declawing larger cat species results in significantly lighter muscle density and mass, particularly in the deep digital flexors, leading to reduced strength and functionality. This study highlights the cruelty of declawing practices on exotic animals.
A new study by Edith Cowan University found that exercising three days a week can significantly improve muscle strength, with smaller increases seen in two-day groups. Daily exercise is recommended for greater benefits, but muscles still need rest to adapt and improve strength.
Researchers found that Metformin reduces muscle atrophy and fibrosis in older adults, allowing them to recover faster from bed rest. The study's findings suggest that targeting cellular senescence with Metformin may be a therapeutic solution for improving muscle recovery in aging individuals.
Researchers develop a new technique to detect circulating tumor cells in blood, overcoming noise issues with existing methods. The dual-ratio approach enhances penetration range and accuracy, paving the way for quicker diagnosis of metastasis.
A muscle-building supplement called beta-hydroxy beta-methylbutyrate (HMB) has been shown to reduce plaques and increase factors for neuronal growth in mice with Alzheimer's-like pathology. The study found that HMB stimulates a nuclear hormone receptor to improve memory and learning in mice with Alzheimer's disease.
A genome-wide screen in C. elegans reveals potential targets to delay motor aging, including VPS-34 inhibition. Partial inhibition improves neurotransmission and muscle integrity, ameliorating motor aging in worms and mice.
Researchers at Queen Mary University of London have created a new type of electric variable-stiffness artificial muscle with self-sensing capabilities, revolutionizing soft robotics and medical applications. The innovative technology enables rapid reactions and force sensing, making it ideal for integration into intricate robotic systems.
Researchers found that all forms of resistance training are beneficial for building strength and muscle, with details mattering less than previously thought. The study analyzed data from over 5,000 participants and found that complex prescriptions are sufficient but unnecessary for gains in strength and muscle size.
New research uses MRI and CT scans to study the anatomy of primate clitoris, revealing stark differences in morphology across species. The findings suggest that female genitalia have been chronically understudied, with significant diversity in clitoral structure and function.
A new method scans moving horses to produce an enhanced saddle-map, highlighting ideal areas for saddle placement to reduce pain and injury. The research identifies the most mobile areas of a horse's back as the least suitable for distributing pressure.
A new study from Aarhus University reveals that female athletes who consume too little energy through their diet in comparison to their training volume experience negatively impacted muscles' ability to respond to training. The study shows that insufficient energy intake can lead to changes in the hormonal system, including a decrease ...
A large study suggests that higher levels of lean muscle mass may be associated with a reduced risk of Alzheimer's disease. The researchers used Mendelian randomisation to analyze the relationship between genetically proxied lean muscle mass and Alzheimer's disease risk, finding a modest but statistically robust association.
Scientists have invented a smart textile that can sense and measure body movements using nanomagnets. The device is self-powered, stretchy, durable, waterproof, and can be made with a sewing machine for under $3. It converts muscle activities into quantifiable electrical signals sent wirelessly to phone apps.
A study using digital reconstructions of Australopithecus afarensis muscles suggests that the 3.2 million-year-old 'Lucy' hominin could walk upright as efficiently as modern humans. The research, published in Royal Society Open Science, used open-source data on Lucy's fossil to create a detailed model of her lower body muscle structure.
Researchers have revealed key atomic structures of actin filament ends using cryo-electron microscopy. The study provides fundamental insights into the mechanism behind actin filament polarity, shedding light on disorders such as muscle weakness and heart problems.
A new study found an association between lower extremity spasticity and cryptorchidism treatment in boys with cerebral palsy. Boys with more severe spasticity were especially likely to have had the surgery, suggesting a potential link between affected muscles and testicle development.
Indiana University School of Medicine researchers will investigate muscle-directed gene therapies and test alternative treatment options for degenerative disorders like Duchenne muscular dystrophy. The goal is to develop more successful and long-term ways to help patients living with muscle disorders.
A study published in the Journal of the American Geriatrics Society found that a 5-year increase in muscle fat stored in the thigh muscle is associated with faster cognitive decline. The research suggests that muscle adiposity plays a unique role in cognitive decline, distinct from other types of fat or muscle characteristics.
Scientists at University of Virginia Health System discovered a gene that acts as a master controller for immune tolerance, shedding light on how our immune systems are calibrated to prevent MS. The new understanding could lead to better, more targeted treatments.
Researchers used mouse genetics to determine if brain or spinal cord causes dystonia, finding that spinal cord is responsible. Spinal cord dysfunction leads to signs of dystonia similar to those seen in humans, providing a new target for treatment.
A special issue of the Journal of Pediatric Rehabilitation Medicine explores the treatment and management of cerebral palsy, including spasticity management and pain relief. The articles discuss various approaches to managing spasticity, such as enteral baclofen use and botulinum neurotoxinA injections, aiming to improve care and quali...
A deep learning-based framework called EMGSense enables accurate wearable EMG device usage through AI self-training techniques. It achieves average accuracy of 91.9% in gesture recognition and 81.2% in activity recognition, outperforming state-of-the-art approaches.
New research from Ohio State University suggests that cognitive dissonance can lead to added pressure on the neck and low back during lifting and lowering tasks. The study found that participants who experienced higher levels of cognitive dissonance had increased spine loading, particularly in the neck region.
A recent study published in Calcified Tissue International found that heavy drinkers are at risk of muscle loss and frailty. The research, which analyzed data from the UK Biobank, suggests that consuming 10 units or more of alcohol per day can lead to lower muscle mass, even when adjusted for body size and other factors.
A recent study by researchers at UNICAMP found that low-load with many repetitions and high-load with fewer repetitions both promote similar muscle growth. Muscle activation patterns were different, but metabolic stress was the same in both groups.
A study published in Cell Reports reveals that a family of proteins involved in the regulation of fast twitch muscle fibers plays a significant role in their development. The researchers found that animals exposed to microgravity expressed higher levels of these proteins, leading to faster-to-slow muscle fiber conversion.
A recent study conducted by NUS researchers shows that weekly exposure to proprietary pulsed electromagnetic field (PEMF) therapy using the BIXEPS device can significantly improve mobility and body composition in older adults, with notable benefits found in functional tests and reduced perception of pain.
A new study found that marathon running causes significant damage to extrinsic foot muscles, while intrinsic muscles are less affected. The research suggests that marathon runners can take steps to prevent injuries by prioritizing recovery and muscle fatigue management.
Scientists at Medical College of Georgia are investigating the impact of HIV treatment on bone and muscle aging. They found that common antiretroviral cocktails can accelerate aging by about a decade, leading to increased inflammation and oxidative stress in bone marrow stem cells.
A study found that muscle fat accumulation, known as myosteatosis, is associated with a higher risk of major adverse events and death in asymptomatic adults. The presence of muscle fat was comparable to the mortality risk associated with smoking or type 2 diabetes.
Research found that meeting both recommended weekly physical activity targets was associated with a nearly half the risk of dying from flu or pneumonia as those who met neither. Meeting only the aerobic activity target was linked to a 36% lower risk, while muscle strengthening activities showed no significant difference.
A new study found that managing cardiovascular disease (CVD) risk factors can help preserve physical function in older adults. The research, led by Dr. Shivani Sahni, showed that vascular measures are associated with grip strength and change in gait speed.
Researchers found that scarring of the collagen framework prevents stem cells from healing damaged tissue in Duchenne muscular dystrophy. The study, published in npj Regenerative Medicine, used mice models to show how fibrosis disrupts cell behavior and hinders muscle regeneration.
A mobile app called SCI Step Together encourages people with partial spinal cord injuries to get active by setting goals, tracking activities, and connecting with others. The study found that participants who used the app had greater fulfillment of basic psychological needs, including independence, competence, and belonging.