Well, good (bad?) news: People who have dedicated their professional lives to defying Newton's First Law (you know them as "personal trainers") don't often have the luxury of skipping a sweat session. Next time you find yourself in need of a workout but without any of the things you think you need to get one, we got them to share the best workouts and circuits and exercises you can do anyway—no gear required.
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.
Flabby arms can ruin your confidence – and your looks. Some men and women are genetically predisposed to carry fat in this area. Luckily, there are ways to slim your arms and improve muscle tone without even leaving home. Just keep in mind that you can't spot reduce fat. You need to eat clean and work your whole body to get results. Certain exercises, especially those targeting the triceps, are particularly beneficial.
It decreases PMS. Women often report feeling irritable and bloated before their periods, but exercise appears to minimize these conditions. In a survey of nearly 2,000 New Zealand women, researchers found that those who exercised, rested and wrote in a journal about their symptoms fared better than those who took specific vitamins or followed other DIY advice.
If you're ready to move on from classic Bulgarian split squats, Swan's amped-up variation gets your upper body in on the action for a true total-body exercise. "This combination move works your legs, butt, chest, back, arms, and core," she says. "And it not only hits all the major muscle groups—it also lets you work on balance." Give it a shot and you'll see why.