Articles tagged with Muscles
Researchers found that patients with both COPD and sleep apnea had significantly lower muscle strength and functional capacity compared to those with isolated COPD. The study highlights the importance of monitoring sleep-disordered breathing in the COPD population to improve quality of life.
New research reveals that skeletal muscle retains a 'molecular memory' of repeated disuse, which differs between young and old muscles. Younger muscles show resilience, while older muscles become increasingly susceptible to atrophy. The study provides insights into how muscle responds to inactivity and its potential for recovery.
A new study found that social media use, particularly exposure to muscularity-focused content and body comparisons, is strongly associated with increased intentions to use anabolic-androgenic steroids. Young men who frequently view muscular bodies or advertisements promoting muscle-building supplements also report stronger intentions.
Researchers report a significant association between muscle strength and lower mortality risk in women aged 63-99 years. Grip strength and chair stands were found to be key indicators of muscular strength, with even small improvements leading to notable reductions in death risk.
A new study published in JAMA Network Open found that muscular strength is associated with lower mortality rates in women aged 63-99. Controlling for physical activity and other factors, researchers discovered a significant link between muscle mass and reduced mortality risk.
Researchers found that exercise changes brain activity in nerve cells called SF1 neurons, which helps muscles and hearts become stronger. This brain region plays a key role in regulating energy use and body weight.
An 18-week study found that maintaining grip strength and chair-rise performance alongside weight loss was possible without a prescribed strength-training program, alongside improvements in biomarkers linked to metabolic and cognitive aging. A plant-forward diet featuring fresh lean pork supported healthy-aging markers in older adults.
Researchers developed a new type of bio-hybrid actuator using locust hind legs, achieving remarkable leaping capabilities and ultra-low power consumption. The actuators enable high maneuverability and autonomous self-righting capabilities, making them suitable for confined space exploration and precision medical delivery.
Researchers found that the tenascin-C protein promotes a thriving community of functional muscle stem cells needed for efficient muscle regeneration. Aging reduces skeletal muscle regeneration due to lower levels of TnC and impaired muscle stem cell function.
MIT engineers developed artificial tendons made from hydrogel to connect lab-grown muscles with robotic skeletons. The tendons improved the robot's motion and force output by three times, enabling faster and more efficient biohybrid robots.
Researchers discovered that woodpeckers brace their head, neck, abdomen, and tail muscles to hold their bodies rigid while pounding on wood. The birds synchronize their breathing with each impact, like ace tennis stars grunting noisily to stabilize core muscles.
Researchers at Sanford Burnham Prebys have developed a new method to generate more and potent skeletal muscle progenitor cells. The study found that blocking the activity of Janus kinase 2 (JAK2) yields a twofold increase in cell yield, while also delivering more mature and effective cells for regenerative medicine treatment.
Researchers found that a supplement containing high-molecular-weight hyaluronan preserves muscle mass and exercise capacity in aging mice. The study suggests that targeting the glycocalyx may be a viable therapeutic strategy to treat age-related physical dysfunction.
Researchers at Tohoku University discovered a way to strengthen legs through daily etiquette, known as Rei-ho, which emphasizes slow and controlled movements. The study found that those who practiced Rei-ho for five minutes daily increased their knee extension strength by an average of 25.9%, compared to only 2.5% in the control group.
A study published in PLOS Computational Biology reveals that different cell types and variation within these cells play a crucial role in muscle remodeling during Drosophila development. The findings show that sarcolytes, hemocytes, and fat body cells work together to break down larval muscles and scatter the fragments.
Scientists have discovered that MYOD protein can act as a gene silencer, clearing out old 'furniture' to reset the cell's identity. This finding challenges dogma and opens up new avenues for understanding cellular reprogramming and regenerative medicine therapies.
A UCLA team has uncovered new details about the muscle controlling blinking, offering a pathway toward developing blink-assisting prostheses. The orbicularis oculi muscle contracts in complex patterns that vary by action and move the eyelid in more than just a simple up-and-down motion.
Researchers found that Ozempic-induced weight loss decreased lean mass by 10% in mice, with most of the lost weight coming from non-skeletal tissues. While some skeletal muscles did shrink, others stayed the same size, and strength was affected for some but not all muscles.
Developed by a research team at POSTECH, the robot uses human muscle proteins as inspiration to generate strong force while navigating through tight spaces. The technology has potential applications in various fields, including medical settings, industrial environments, home cleaning, and caregiving robots.
Researchers reanalyzed the coelacanth's skull musculature and found that only 13% of previously identified evolutionary muscle novelties were accurate. The study also identified nine new evolutionary transformations related to feeding and respiration, revealing a more similar anatomy to cartilaginous fish and tetrapods.
Researchers have developed soft artificial muscles that provide the performance and mechanical properties required for building robotic musculoskeletal systems. The new muscles can be battery-powered, enabling robots to move more naturally and safely in unstructured environments.
A new study introduces a novel muscular clock, MAA, which measures how quickly an individual's muscles are aging compared to their actual age. The research found that about 25% of healthy middle-aged and older adults experience accelerated muscle aging, increasing the risk of sarcopenia.
The article provides practical strategies for managing symptoms in patients receiving GLP-1 RAs, focusing on diet and physical activity interventions to support muscle and nutrient preservation. Lifestyle factors remain crucial in GLP-1 RA treatment for effective weight management.
A small study found that consuming more protein may help prevent muscle loss in adults with obesity taking semaglutide, an anti-obesity medication. The researchers noted that older adults and women may be at higher risk for muscle loss, emphasizing the importance of preserving muscle during weight loss with this medication.
Researchers explore the biological mechanisms of myopenia in RA, finding it affects individuals of all ages, with notable muscle mass loss without concurrent fat loss. The review highlights the diagnostic and therapeutic relevance of myopenia in RA, emphasizing the importance of early detection and tailored management strategies.
Research reveals that high temperatures and exposure to heavy metals reduce the frequency and pitch of non-flight wing vibrations in bees. This affects their communication, defense, and buzz-pollination abilities, which are crucial for plant reproduction and biodiversity.
New research identifies 'general motor skills' as crucial for world-class performance across various athletic disciplines. World-class experts show fewer inefficiencies in elastic tissue motions compared to regional-level and novice competitors.
A new University of Toronto study reveals that over one-third of boys and men know someone who uses steroids, increasing their own intention to use them. The research highlights the importance of targeted prevention efforts considering social environments and identity factors.
A study by researchers at the University of São Paulo found that women with low muscle mass have a significantly lower survival rate than those with normal muscle mass. Muscle mass is crucial for patients undergoing cancer treatment, and low levels can predict adverse outcomes, including mortality.
A new study reveals a strong association between viewing muscularity-oriented social media content and muscle dysmorphia among boys and men. Exposure to images of muscular bodies, posts promoting muscle-building supplements, and content featuring steroids increased the risk of muscle dysmorphia.
Dr. Pasiakos joins Pennington Biomedical to lead research on muscle physiology, nutrition, neuroscience, and technology to optimize human performance in extreme conditions. His expertise strengthens capabilities for U.S. Military resilience, spaceflight bioenergetics, and elite athlete development.
Research found that boys born to mothers with polycystic ovary syndrome (PCOS) or higher testosterone levels during pregnancy are less physically active at age 7. Girls exposed to similar levels of testosterone had lower muscle strength, highlighting the role of maternal testosterone and PCOS in future development.
Researchers at State University of Campinas found that physical exercise prevents the transition from acute to chronic muscle pain by activating an anti-inflammatory signaling pathway in immune cells. This can lead to the development of new treatments for muscle pain, potentially reducing opioid consumption.
A study found that genetic predisposition to higher muscle strength is associated with lower all-cause and cardiovascular mortality in aging men. The association remained significant even after adjusting for lifestyle factors such as smoking and body mass index.
A new study has found that combining signals from electromyography and force myography can improve the accuracy of prosthetic control. The researchers used a combination of these two techniques to classify hand gestures with high accuracy, outperforming both methods alone.
A team of researchers from Goethe University and Kiel University has discovered a way to prevent the formation of harmful protein aggregates in cultured cells. The study found that linking TDP-43 with SUMO prevents its aggregation, suggesting a potential new approach for treating ALS and other neurodegenerative diseases.
A new study by University of Illinois researchers found that a balanced vegan diet has no effect on muscle protein synthesis or muscle gain compared to an omnivorous diet. Protein distribution throughout the day also made no difference in muscle building, contrary to previous assumptions.
Participants who took the supplement showed improvements in grip strength, lower body mobility, and reductions in body weight. The supplement appeared to reduce stem cell turnover, regulate immune function, and influence gene activity related to stress response.
A study by the University of Jyväskylä found that muscles retain a memory trace of previous resistance training at the protein level for up to two and a half months. This persistence can make it easier to start training again after a break.
The study found that patients with coaxial silicone drains had lower analgesic consumption and better-preserved respiratory muscle strength during the first 2 postoperative days. This suggests that coaxial SIL drains can reduce postoperative pain and improve patient comfort and recovery following VATS lobectomy.
A study using cryo-electron microscopy revealed that autoantibodies in myasthenia gravis disrupt acetylcholine receptor function by blocking or activating the immune system's complement pathway. This knowledge helps explain treatment variability and offers a foundation for personalized therapies targeting specific antibody interactions.
Researchers calculated two indicators from body composition data to examine the relationship between muscle quality and long-term care need. People with low phase angles and extracellular to intracellular water resistance ratios were found to be at high risk of becoming dependent, especially when values fell below median thresholds.
The study reveals that muscle fibers shorten as forces increase during fast hopping, allowing for faster motion. This counterintuitive behavior enhances leg stiffness, which could impact sports training, rehabilitation, and robotics.
A new study from the University of Mississippi finds that time-restricted eating combined with regular exercise leads to more significant fat loss and reduced body fat percentage compared to exercise alone. However, lean mass preservation was maintained in this study, contradicting previous concerns about potential muscle loss.
Researchers found significant improvements in muscle strength, flexibility, and mental health with just five minutes of daily eccentric exercise. The study suggests that even small amounts of exercise can provide sustainable benefits for sedentary individuals.
A new Northwestern Medicine study suggests that muscle injuries heal faster when they occur during the body’s natural waking hours. The findings could have implications for shift workers and may also prove useful in understanding the effects of aging and obesity.
Researchers at the University of Missouri have identified a small molecule drug that targets a specific serotonin receptor, showing promise as a treatment for sarcopenia. The study suggests that this neurotherapeutic can improve muscle strength by activating motor neurons to fire more effectively.
A new study from Western New England University reveals that long-term grape consumption significantly impacts muscle health, with notable benefits for both men and women. Grapes modify gene expression in muscle, potentially offering a new approach to muscle maintenance.
A Canadian study of over 2,500 adolescents and young adults found that supplement users are more likely to experience muscle dysmorphia. The study suggests a potential link between muscle-building supplement use and the development of this condition.
Researchers have created a novel self-healing electronic skin that repairs itself in seconds, surpassing existing technologies by up to 80%. This technology integrates artificial intelligence and offers real-time fatigue detection and muscle strength assessment with remarkable precision.
A study of 153 people between the ages of 60 and 89 suggests a modification to the well-established clinical test for assessing balance in the elderly to make it more efficient, accessible, and predictive. The assessment can predict the risk of falling over a six-month period with accuracy.
Researchers at the University of Tokyo developed a biohybrid hand that can move objects and mimic real-life forms, using multiple muscle tissue actuators created from lab-grown muscle tissue. The hand demonstrated its ability to perform complex gestures, including scissor motions, and showed signs of fatigue but recovered within an hour.
Researchers found that bimagrumab increases bone tissue while building muscle mass, reducing the risk of osteoporosis. The study suggests bimagrumab could be part of a second-generation weight loss drug on the market.
A Michigan Medicine-led study suggests that living in disadvantaged communities may decrease the length of time a person can survive with amyotrophic lateral sclerosis (ALS) by up to 37%. The study found that patients from more resourced areas tended to live longer, possibly due to better access to care and reduced caregiver burnout. T...
Researchers aim to identify key mechanisms and molecular targets to prevent tumor progression in Rhabdomyosarcoma patients. The study focuses on the TAK1 protein, which plays a significant role in regulating cell growth, and its potential inhibition as a therapeutic approach.
Researchers at McGill University found that a protein produced in muscles helps manage the release of follicle-stimulating hormone (FSH), which promotes egg maturation. Lowering myostatin levels delayed puberty and reduced fertility, while restoring it boosted FSH levels.
Scientists discover that auricular muscles, which helped ancestors move ears for better hearing, react during effortful listening. The muscles' activity levels correlate with difficulty of task, providing potential measure of listening effort.
A recent study investigated hybrid diffuse optics to monitor changes in blood flow and oxygen levels noninvasively. The technology provided detailed insights into how oxygen is delivered and utilized in the body, suggesting improved outcomes for critically ill patients undergoing red blood cell transfusions.
A systematic review and meta-analysis found that cold-water immersion can reduce stress levels within 12 hours, improve sleep quality, and boost quality of life. However, these benefits may fade after three months. Cold showers also showed promise in reducing sickness absence and improving mood.
Researchers have identified muscle oxygen-binding proteins that enhance oxygen diffusion in multicellular organisms, circumventing anatomical limits. This breakthrough discovery has implications for improving fitness and function in yeast models of multicellularity.