Articles tagged with Muscles
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A study published in Psychiatry Research confirms that weight training improves symptoms of anxiety and depression in old people. The analysis of over 200 articles identified the types of training most indicated for these cases, recommending exercises done three times a week with short sets and proper structure.
Researchers developed a spring-like device that maximizes muscle contractions to power biohybrid robots. The new flexure design enables predictable and reliable movement, allowing engineers to build muscle-powered robots with increased precision and versatility.
New research at Hokkaido University reveals that acoustic fat bodies in toothed whales were once jaw muscles and bone marrow. The findings suggest an evolutionary tradeoff between auditory and feeding ecology, leading to the loss of chewing muscles and adaptation to echolocation.
Researchers found a link between Fontan circulation and accelerated epigenetic aging, which can cause complications like osteoporosis and renal impairment. The study suggests this acceleration starts in childhood and continues into adulthood, with potential new treatment opportunities to delay progression.
Researchers from Karolinska Institutet show that post-COVID does not mean strict exercise avoidance. Patients with post-COVID can benefit from supervised exercise, with improved fitness and muscle strength found in those who participated.
A blended antioxidant supplement improved spatial learning ability and short-term memory in supplement-treated aged mice. The discovery suggests that the supplements may also prevent age-related cognitive decline in humans and mitigate muscle frailty.
A new study presents a novel surgical technique for treating Moebius syndrome, a rare condition that prevents smiling and affects social engagement. The technique involves utilizing the ipsilateral facial nerve to power gracilis free functional muscle transfer in select patients with residual facial nerve activity.
A recent discovery reveals that the natural molecule trigonelline can increase NAD+ levels and improve muscle function during ageing. Lower levels of trigonelline were found in older people with sarcopenia, a condition where muscles weaken and mass is lost.
Researchers discovered that brains prioritize integrating muscle spindle input to understand body movement and position. Task-driven neural network models were found to be most effective in predicting limb position and velocity.
Researchers discovered a new treatment that strengthens muscles in patients with Myasthenia Gravis, an autoimmune disease leading to severe weakness and fatigue. The breakthrough, targeting the connection between nerves and muscle cells, shows promising results without significant side effects.
Researchers found obese individuals exhibit distinct walking patterns, characterized by shorter strides and modified ankle muscle activation. This study suggests these differences may increase the risk of falls and musculoskeletal disorders.
Researchers found that daily cranberry extract consumption for 28 days improved running speeds by 1.5% and reduced post-exercise blood lactate levels. The study also showed increased muscle oxygenation rates and slower deoxygenation.
Researchers at Flinders University have discovered a bedtime nasal spray that can reduce the severity of sleep apnea in people and lower their blood pressure. The study found that the spray, which blocks potassium channels, improved oxygen levels and reduced markers of OSA severity in 7 out of 10 participants.
The University of California, Irvine will lead a six-year, $15 million NSF-funded research project to study muscle control during rapid movements. The Integrative Movement Sciences Institute aims to bridge gaps between fields and advance understanding of agile movement through interdisciplinary collaboration.
A new study published in the Journal of the American Heart Association found that older women who sat for 11.7 hours or more per day increased their risk of death by 30 percent. The study used machine-learned algorithm CHAP to examine total sitting time and length of sitting bouts.
A new study from the University of Toronto found an association between poor sleep and symptoms of muscle dysmorphia among Canadian young adults. Participants who reported greater muscle dysmorphia symptoms had shorter sleep duration and difficulty falling or staying asleep more than half the time.
A groundbreaking technology recognizes human emotions in real time, combining verbal and non-verbal expression data for accurate emotional information extraction. The system features a personalized skin-integrated facial interface that enables self-powered, flexible, and transparent emotion recognition.
A new study published in LANCET eClinicalMedicine found that regular exercise can help individuals maintain weight loss after completing medical weight loss treatment. The study showed that exercising just two hours a week can lead to better quality of life, improved mental health, and reduced fatigue.
Researchers have confirmed a new method for precise body composition analysis using 3D surface scans and dual-energy X-ray absorptiometry. This approach yields accurate measurements of fat, lean muscle, and bone, surpassing commercial software in clinical settings.
Researchers have developed a wearable patch that can detect and respond to human muscle signals, allowing people to control robotic exoskeletons more efficiently. The patch, called SNAP, uses microneedles to pick up tiny signals from muscles and sends them to outside equipment for processing.
Researchers at the University of Tokyo have created a two-legged biohybrid robot capable of walking and pivoting underwater. The robot uses lab-grown skeletal muscle tissue to move its legs, achieving efficient and silent movements. Future iterations aim to develop thicker muscles with nutrient supplies to enable robots to walk on land.
Researchers develop nanofibrous matrices containing MXene nanoparticles to aid in muscle regeneration. The study reveals molecular mechanisms behind the effects of MXene nanoparticles on muscle growth, suggesting a promising avenue for treating volumetric muscle loss and muscle-related ailments.
A new model developed by MIT engineers predicts how certain shoe properties will affect a runner's performance, incorporating factors like stiffness and springiness. The model aims to help designers create high-performing shoes with novel properties.
A research group from Tohoku University Graduate School of Engineering has replicated human-like variable speed walking using a musculoskeletal model steered by a reflex control method reflective of the human nervous system. The breakthrough in biomechanics and robotics sets a new benchmark in understanding human movement.
The hip-assist robot EX1 improves walking ability, dynamic balance, and one-leg standing endurance in older adults. The four-week exercise program using EX1 significantly reduces the risk of falls and enhances overall health.
A noninvasive method for assessing muscular health in an aging population has been developed using bioelectrical impedance analysis. The study found that the phase angle can estimate muscle contractile properties and is associated with better muscle function, making it a valuable tool for monitoring muscular health.
A new special issue of Calcified Tissue International & Musculoskeletal Research sheds light on sarcopenia's pathogenesis, clinical implications, and therapeutic targets. Researchers have made significant progress in evaluating, managing, and developing interventions for this condition.
A recent study published in Nature Communications found that Long-COVID patients experience fatigue due to reduced energy production by mitochondria in muscle cells. The research suggests a biological cause for the persistent exhaustion, opening up potential treatment avenues.
The MU Extension program has proven results, showing improvements in physical energy, self-confidence, and muscle strength among participants. The program also reduces the risk of falling and provides social enjoyment for participants, who often form close relationships with instructors and each other.
Researchers found that calcium channel blockers can reverse symptoms of myotonic dystrophy in animal models, a potential new treatment for the disease. The study suggests that targeting the calcium channel could improve muscle function and health, offering hope for patients with this debilitating condition.
Researchers found that the severity of muscle wasting depends on the location of the spinal cord injury. They also discovered that hypercortisolism, a hormonal imbalance, worsens muscle loss and can be targeted to rescue muscle tissue.
The inability to burp, known as retrograde cricopharyngeus dysfunction (R-CPD), significantly impacts daily life, causing symptoms like abdominal bloating, flatulence, and difficulty vomiting. Participants reported feeling embarrassed, anxious, and depressed due to R-CPD, highlighting the need for increased awareness and identification.
A new study by Concordia researchers found a strong positive relationship between percentage body fat and echo intensity, indicating more fat within the muscle. The study also revealed differences in lumbar multifidus characteristics between male and female athletes, with females having larger LMs than males.
Male songbirds need daily singing to exercise their vocal muscles and produce attractive songs. Regular practice is necessary to maintain social bonds and attract females, which can also hear the difference in a male's voice after exercise.
Researchers at Waseda University used diffusion tensor imaging to reconstruct fascicles in three dimensions, finding that a gearing mechanism reduces individual fascicle elongation during stretching. This mechanism allows muscles to extend without significant fiber length changes, preventing overstretching and injury.
Researchers have developed a wearable ultrasound system that can provide clinically relevant information about muscle function during dynamic physical activity. The device uses a patented approach to transmit long-duration chirps, allowing for real-time analysis of muscle dynamics and aiding in the rehabilitation process.
A new study found that adverse childhood experiences are associated with greater muscle dysmorphia symptoms in Canadian adolescents and young adults. Adverse childhood experiences, such as domestic violence and emotional abuse, may lead to body dissatisfaction and the pursuit of muscularity as a coping mechanism.
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.