A study published in October 2017 in the American Journal of Psychiatry suggested that even just one hour of exercise of any intensity each week can help prevent depression. The study monitored levels of exercise and symptoms of depression and anxiety in 33,908 adults over 11 years and found that even small amounts of physical activity had a protective effect against depression, regardless of the person’s age or gender.
Exercise and physical activity are a great way to feel better, boost your health and have fun. For most healthy adults, the Department of Health and Human Services recommends at least 150 minutes a week of moderate aerobic activity or 75 minutes a week of vigorous aerobic activity a week, or a combination of moderate and vigorous activity. Examples include running, walking or swimming. Fit in strength training for all the major muscle groups at least twice a week by lifting free weights, using weight machines or doing body-weight exercises.
Another way lunges differ from traditional squats is that they train each leg individually. This is known as unilateral training. Rather than solely improving your strength, unilateral exercises increase your balance and coordination. This brings your core and back strength into play. Focusing on one leg at a time with lunges can even help with symmetry and muscular imbalances.
You can choose to do them on your knees or on your toes, as well as a wide variety of push up variations to target specific muscle groups in the arm. Place your arms closer to your body or farther out to lose fat in a specific area. If you’re really serious about losing arm fat, drop down and do a set of push ups whenever you have time. In the office, on lunch or while you’re catching up on the news, a set here and there can help you get rid of arm fat and transform arm muscles.
Relax back into against the wall, keeping your body in a nice straight line from your head to your heels. Do not let your hips drop. Then repeat the press out, driving off your elbows. Do not arch your low back as you press out. Also, make sure not to shrug your shoulders. The further from the wall that you walk your feet out, the harder the move will be.
This may be the most worthwhile reason for exercising there is. Studies have shown how people who exercise are at a significantly reduced risk of developing dementia like Alzheimer’s disease. And even for people who start exercising relatively late in life, brain volume can actually increase over time, as can scores on memory tests, compared to people who don’t exercise (their brains shrunk over time, which is normal part of aging).
Merck & Co., Inc., Kenilworth, NJ, USA is a global healthcare leader working to help the world be well. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world. The Merck Manual was first published in 1899 as a service to the community. The legacy of this great resource continues as the Merck Manual in the US and Canada and the MSD Manual outside of North America. Learn more about our commitment to Global Medical Knowledge.
Those buff lab rats might be smarter than we think. Various studies on mice and men have shown that cardiovascular exercise can create new brain cells (aka neurogenesis) and improve overall brain performance Aerobic exercise is the critical variable in an enriched environment that increases hippocampal neurogenesis and water maze learning in male C57BL/6J mice. Mustroph ML, Chen S, Desai SC, Cay EB, DeYoung EK, Rhodes JS. Neuroscience Program, The Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA. Neuroscience. 2012 September 6;219:62-71. Aerobic exercise improves hippocampal function and increases BDNF in the serum of young adult males. Griffin EW, Mullally S, Foley C, Warmington SA, O’Mara SM, Kelly AM. Department of Physiology, School of Medicine, University of Dublin, Trinity College, Dublin, Ireland. Physiology & Behavior. 2011 October 24;104(5):934-41.. Ready to apply for a Nobel Prize? Studies suggest that a tough workout increases levels of a brain-derived protein (known as BDNF) in the body, believed to help with decision making, higher thinking, and learning. Smarty (spandex) pants, indeed.