Articles tagged with Physical Exercise
A 12-month supervised exercise program reduced severe menopausal symptoms by a quarter and improved quality of life in postmenopausal women. The study also found significant improvements in physical and psychological functioning, as well as positive state of mind, among the exercise group compared to those who did not participate.
Researchers analyzed data from the Nurses' Health Study and found that moderate-intensity exercise has a negligible risk of sudden cardiac death in women. The study suggests that regular exercise can significantly minimize this risk, making it a safe and beneficial activity for healthy adults.
A study found that mental stress can reduce heart blood flow in patients with coronary artery disease, even those without symptoms of ischemia during physical stress tests. Six out of 29 patients showed signs of ischemia on images produced after a mentally stressful role-playing scenario.
Older subjects showed a significant increase in exercise efficiency and reduced oxygen debt after aerobic exercise training. The study's findings suggest that a lack of fitness, rather than aging itself, contributes to the decline in exercise capacity.
Researchers found that four major parameters return to normal after one day, and all changes recover within three days. Blood pressure variability is a key predictor of competition time, with low frequency variability being the most significant factor.
A study published in JAMA found that individuals with lower socioeconomic status have poorer physical fitness levels, which can lead to a higher risk of cardiovascular death. The researchers discovered that functional capacity and heart rate recovery were strongly associated with SES and accounted for 47% of the association.
Researchers found that parents' conflict resolution styles predict children's reactions to simulated phone conflicts, with both overtly hostile and indifferent approaches linked to increased distress. Children's prior experiences with parental conflicts can alter their coping mechanisms for later conflicts.
The American Physiological Society has published a resource book on animal exercise protocols to promote informed dialogue and improve animal welfare. The book covers various aspects of exercise research, including study design considerations, animal stress, and common exercise protocols using different species.
The Patient-centered Assessment and Counseling for Exercise + Nutrition (PACE+) intervention improved diet and physical activity habits among teens. After one year, adolescents in the PACE+ program reduced their sedentary behaviors by one hour per day and increased their number of active days.
Researchers found that a four-year study combining weight-bearing exercise and calcium supplementation increased bone mineral density in women by 1-2%, reversing typical loss of BMD with age. The regimen, developed for the BEST Study, includes six core exercises to build bone in key fracture sites.
A significant number of emphysema patients experience improved survival, exercise ability, and quality of life after lung-volume reduction surgery. The study confirms earlier findings and suggests the operation should be recommended for many patients with end-stage emphysema.
A study by University of Iowa authors found that consumers have a bias for the whole, preferring larger bills due to processing fluency. This affects their willingness to use smaller bills, as they associate value with larger bills.
A comprehensive survey of physical activity in children reveals that about half of active kids participate in non-organized sports, such as biking or walking to a friend's house. The study also highlights demographic and social factors that influence physical activity levels in children.
A study of 1,740 adults aged 65+ found that regular exercise reduced the risk of dementia by 32%. The research followed participants for an average of 6.2 years and analyzed their physical activity levels in relation to cognitive function.
A large prospective study found that exercise reduces dementia risk by 30-40% in older adults. The study also highlights the importance of monitoring physician performance and addressing disparities in healthcare outcomes.
A new study published in Annals of Internal Medicine found that regular exercise reduces the risk of dementia and Alzheimer's disease by 30 to 40 percent. The study, which followed 1,750 adults aged 65 and older for six years, showed that exercising three or more times a week significantly reduced the risk of developing dementia.
A six-year study of 1,740 Group Health members found that regular exercise reduced the risk of developing dementia by 30-40%. Exercise may improve brain function by boosting blood flow to areas used for memory, according to lead investigator Eric B. Larson.
Researchers found that watching comedy films increased brachial artery blood flow in 19 out of 20 participants, while sad movies reduced it. The impact was equivalent to a bout of aerobic exercise or starting statin treatment.
Research suggests that caffeine may impair peak heart function by blunting the increase in myocardial blood flow needed during exercise. The study found significant reductions in blood flow measurements after caffeine intake, particularly in individuals with reduced coronary flow reserve.
A three-week diet and exercise study shows that Type 2 diabetes and metabolic syndrome can be reversed through lifestyle changes, with half of participants experiencing a clinical diagnosis reversal. The regimen improved factors contributing to heart disease, such as insulin resistance and high cholesterol.
A recent Ohio State University study found that exercise significantly speeds up wound healing in older adults, with wounds healing an average of 10 days faster in the exercising group. The study suggests that exercise may play a role in regulating cortisol levels, which could be a key biological pathway for enhanced wound healing.
A Northwestern University study found that self-directed walking exercise at least three times a week slows the decline of physical abilities in people with peripheral artery disease (PAD). Participants with the worst PAD at the start of the study were most likely to benefit from this type of regular exercise program.
A study published in Annals of Internal Medicine found that yoga, specifically Viniyoga, significantly improved back function and reduced pain in patients with lower back pain. Regular home practice and supervised instruction were essential for successful treatment.
A Group Health study found that yoga was more effective than traditional exercise and education for treating back pain. After 12-26 weeks, patients in the yoga group showed significant improvements in daily activities, back-related function, and pain levels.
A 14-day study found that combining memory exercises, stress reduction, healthy diet, and physical fitness improved memory in older adults. Participants showed a 5% decrease in brain metabolism and better performance on cognitive tasks.
A recent study found that exercise is related to gastrointestinal symptoms and protective against them, contradicting previous assumptions. Participants who engaged in physical activity experienced lower levels of GI problems, including abdominal pain, irritable bowel syndrome, diarrhea, and bloating.
A CU-Boulder study found that moderate exercise extended the life expectancy of lab rats carrying a genetic blueprint for heart failure by at least 10 percent to 15 percent. This suggests low-intensity exercise may have benefits in early stages of congestive heart failure.
A new small-scale study suggests that personal fulfillment is the strongest motivator for US adolescents to exercise. The research found that teens are more likely to participate in sports and vigorous activities if they enjoy the process and want to improve their fitness and physical skills.
A new study at Boston Children's Hospital found that most children with severe congenital heart defects can safely participate in exercise programs. The 12-week program improved cardiac function and reduced anxiety in the children, who were motivated by games and activities tailored to their interests.
Exercise has been shown to delay the onset of heart failure and improve survivability in rats with spontaneously hypertensive heart failure. The study also found that low-intensity exercise suppressed many physiological changes associated with CHF, including alterations in myosin heavy chain isoform expression and cardiac cell morphology.
A recent study published in the Journal of the National Cancer Institute found that regular physical activity may lower breast cancer risk in both black and white women. Women who exercised for at least 1.3 hours a week had a 20% lower risk of breast cancer compared to inactive individuals.
This article discusses various rehabilitation techniques for individuals with disabilities, including a new method to monitor voluntary movement in people with spinal cord injuries and the benefits of smart wheelchairs. It also explores the impact of ground surfaces on wheelchair propulsion and the effectiveness of hybrid-diffractive l...
A randomized trial found that exercise counseling prescriptions for walking can improve cardiorespiratory fitness and reduce cardiovascular disease risk factors. The study showed significant increases in maximum oxygen consumption and HDL-C levels in participants who received higher-intensity exercise prescriptions.
A study of rhesus macaque monkeys found that individual activity levels are highly variable, regardless of living space, and tend to remain consistent over time. The research suggests that changing one's activity level is difficult due to genetic factors.
Researchers found that exercise combined with gene therapy significantly extended the lifespan of mice with ALS, averaging 210 days, compared to 120 days in untreated mice. Early exercise initiation also improved outcomes, suggesting a potential strategy for slowing disease progression.
A study found that low VO2max levels are a significant predictor of long-term mortality in patients with coronary artery disease. Patients with a VO2max below 18 ml/kg/min had a high risk of dying within 10 years, even after adjusting for age and other factors.
A study by the University of Florida found that moderately active rats have healthier DNA and more robust brain cells than their sedentary counterparts. Regular mild exercise can prevent oxidative damage, which is believed to contribute to memory loss and cognitive decline with age.
Researchers found that exercise improves physical function and psychological benefits in older adults, increasing self-efficacy, quality of life, and overall satisfaction with life. Physical activity over time is associated with greater improvements in self-esteem and affect.
This study emphasizes the importance of recognizing and addressing perceived barriers to risk factor modification in women. By reducing these barriers, healthcare providers can help prevent or delay coronary heart disease (CHD) deaths, which account for one half million deaths annually.
A recent study found that only one in six pregnant women meet the recommended physical activity levels, with older, non-white women and those with lower incomes being less likely to exercise. Doctors are urged to encourage pregnant women to engage in moderate activities most days of the week.
A new study at the University at Buffalo will explore the impact of cooling on exercise performance in people with multiple sclerosis (MS). The researchers aim to determine which cooling method is most effective and improve physical functioning and cardiovascular health.
Researchers discovered that using mirrors to create a mirror reflection of a normal limb can help correct a faulty image of the body in people with complex regional pain syndrome. This imbalance can cause pain when moving a particular hand, foot or limb. By practicing these exercises beforehand, even greater improvements can be achieved.
A study found that moderate exercise can improve knee cartilage strength and elasticity, reducing the progression of osteoarthritis. Regular physical activity has been shown to reduce knee pain and stiffness, as well as improve functional performance tests.
The US Army and Air Force partnered with Sandia National Laboratories to test the effectiveness of Athena, a device that uses radar to identify friendly forces on the battlefield. The successful demonstration showcases the potential for this technology to prevent fratricide, or killing one's own soldiers, in combat situations.
Researchers propose strength-training as an alternative to current lymphedema treatment guidelines. Studies have shown that women with breast cancer can benefit from upper-body strength training without increasing the risk of lymphedema.
A genetic study found that the enzyme stearoyl-CoA desaturase-1 (SCD-1) is three times more abundant in muscle of obese individuals than in lean individuals. This elevation in enzyme activity corresponds with diminished fat burning and changes in fat composition.
A moderate exercise regimen, equivalent to 12 miles of brisk walking per week, can significantly improve fitness levels and reduce cardiovascular disease risks. The study found that even slight increases in intensity or duration yield greater health benefits.
A new study at UCI Medical Center will investigate the impact of exercise on growth in premature babies, using bedside nurses to perform daily range of motion exercises for four weeks. The study aims to identify approaches that optimize weight gain and reduce length of stay in neonatal care.
A mutant rat model is being used to study the early vascular changes caused by obesity, which can lead to peripheral vascular disease. The research aims to prevent this condition and improve quality of life for those affected.
A study published in BMC found that regular exercise can significantly reduce musculoskeletal pain in older adults. Participants who exercised regularly experienced 25% less pain than those who were less active, with the reduction persisting until age 62-76.
A recent study published in the Journal of Applied Physiology found that visceral fat buildup is a major consequence of inactivity. The researchers discovered that increasing exercise amounts can significantly reduce visceral fat, while even moderate exercise can prevent accumulation and reverse it in some cases.
Researchers are testing the Space Cycle, a human-powered centrifuge that generates artificial gravity, to prevent muscle loss and atrophy in astronauts. The device simulates various levels of gravity, from Earth to five times Earth's gravity, to assess its effectiveness in maintaining muscle mass and strength.
Cardiac stress testing reveals a significant association between exercise capacity and heart rate recovery with CHD mortality rates. The study found that asymptomatic individuals with below-average test scores were two to four times more likely to die from CHD within 10-20 years.
African-American women are at high risk of physical inactivity, with nearly a third missing leisure-time exercise. A new study reveals that social support from family or friends significantly predicts physical activity, accounting for over 23% of the variance.
Regular aerobic exercise training is safe and beneficial for cardiac patients, even those with reduced left ventricular function. Appropriate screening and controlled exercise intensity are crucial to minimize risk. Athletes with coronary artery disease can participate in low-intensity competitive sports under supervision.
Increased physical activity reduces coronary heart disease and cardiac mortality rates by 30-40% compared to inactive individuals. Exercise training also improves endothelial function, reducing atherosclerosis and plaque formation, and can even extend life expectancy in patients with stable coronary artery disease.
Researchers found that dehydration reduces performance by 8% in temperate weather but has minimal effect in cold temperatures. A study also discovered glycerol as an effective hyperhydration agent to retain fluid in the body, which can be beneficial for prolonged outdoor exposure.
A protein-rich diet combined with exercise leads to greater weight loss and fat reduction compared to a high-carbohydrate, lower-protein diet. This study found that dieters on the protein-rich diet lost almost 100% of their weight in fat, while those on the low-protein diet lost 25-30% of their weight as muscle.
Researchers found that exercising regularly, eating a high-quality diet and maintaining a normal weight can reduce the risk of periodontitis by up to 40%. These healthy behaviors also contribute to lowering diabetes risk factors. Regular monitoring and promotion of these habits by oral health professionals can help prevent gum disease.
A study by University of Florida researchers found that certain gene variants interact with physical activity to affect mobility in seniors. Those with specific genes, such as the DD genotype, were more likely to remain mobile and experienced less decline, even among those who exercised regularly.