Dietary nitrate supplementation increases circulating nitrite concentration, and the subsequent reduction of nitrite to nitric oxide is promoted in hypoxic environments. Given that PO2 is lower in Type II compared with Type I muscle, this article examines the hypothesis that the ergogenicity of nitrate supplementation is linked to specific effects on vascular, metabolic, and contractile function in Type II muscle.

Walking is simple, yet powerful. It can help you stay trim, improve cholesterol levels, strengthen bones, keep blood pressure in check, lift your mood, and lower your risk for a number of diseases (diabetes and heart disease, for example). A number of studies have shown that walking and other physical activities can even improve memory and resist age-related memory loss.
Leslie Sansone: Walk Off Fat Fast. This is just one of Leslie Sansone’s walking videos available on Amazon Prime that will give you the skills, form, and tips to take your walking outside to the trail. Walking is a low-impact, but effective way to lose weight and stay active, and it’s great for all ages. The video literally walks you through a few fat-burning walking programs set to beats per minute in workout music. Available for $2.99 to rent; $9.99 to purchase.
Jump up ^ Lees C, Hopkins J (2013). "Effect of aerobic exercise on cognition, academic achievement, and psychosocial function in children: a systematic review of randomized control trials". Prev Chronic Dis. 10: E174. doi:10.5888/pcd10.130010. PMC 3809922. PMID 24157077. This omission is relevant, given the evidence that aerobic-based physical activity generates structural changes in the brain, such as neurogenesis, angiogenesis, increased hippocampal volume, and connectivity (12,13). In children, a positive relationship between aerobic fitness, hippocampal volume, and memory has been found (12,13). ... Mental health outcomes included reduced depression and increased self-esteem, although no change was found in anxiety levels (18). ... This systematic review of the literature found that [aerobic physical activity (APA)] is positively associated with cognition, academic achievement, behavior, and psychosocial functioning outcomes. Importantly, Shephard also showed that curriculum time reassigned to APA still results in a measurable, albeit small, improvement in academic performance (24).  ... The actual aerobic-based activity does not appear to be a major factor; interventions used many different types of APA and found similar associations. In positive association studies, intensity of the aerobic activity was moderate to vigorous. The amount of time spent in APA varied significantly between studies; however, even as little as 45 minutes per week appeared to have a benefit.
Video Abstract for the ESSR 45.4 article “Mechanisms Associated With Physical ActivityBehavior: Insights From Rodent Experiments” from authors Michael D. Roberts, Gregory N. Ruegsegger, Jacob D. Brown, and Frank W. Booth. Dopaminergic signaling differences in the nucleus accumbens (NAcc) seemingly predispose rats to adopt different physical activity behaviors. Physical activity behavior also may be regulated through peripheral mechanisms (i.e., muscle and fat derived as well as hormonal signals). We hypothesize that physical activity behavior is regulated by the convergence of central and peripheral mechanisms onto the NAcc.
The simplest way to workout at home is to use your own body. There are a variety of effective body weight exercises that can help you build strength, endurance and burn calories. The downside is that, without added resistance, it's tough to work hard enough to really challenge your body and burn calories. One way around that problem? Circuit training. By going from one exercise to the next, without little or no rest, you keep your heart rate up, burn more calories and get the most out of your exercise time.
In parallel, Prussian nationalist and exercise instructor Friedrich Ludwig Jahn (1778–1852) advocated strengthening one’s mind and body through gymnastics.8 The Historic society of Pennsylvania [Internet]. Progress turnverein. 2007 May 3 [cited 2015 Aug 30]. Available from: http://hsp.org/sites/default/files/legacy_files/migrated/findingaid3057progressturnverein.pdf. [Google Scholar] Jahn invented the standard equipment of modern gymnastics; the parallel bars, rings, balance beam, horse, and horizontal bar4 Bakewell S. Illustrations from the Wellcome Institute Library: Medical gymnastics and the Cyriax collection. Med Hist. 1997;41:487–95.10.1017/S0025727300063067[Crossref], [PubMed], [Web of Science ®] [Google Scholar] and in 1811, founded the Physical Culture Movement in Germany.8 The Historic society of Pennsylvania [Internet]. Progress turnverein. 2007 May 3 [cited 2015 Aug 30]. Available from: http://hsp.org/sites/default/files/legacy_files/migrated/findingaid3057progressturnverein.pdf. [Google Scholar] Ling and Jahn’s Physical Culture gained following and flourished in gymnasiums throughout Europe and later in the United States of America until the end of the 19th century. However, toward the end of the century, the original concept of harmonious interaction between the competitive and holistic exercise systems eroded and deteriorated. This was due to the late 19th century shift in the gymnasium environment toward harsh paramilitary style training.9–11 Checkley E. A natural method of physical training. New York (NY): William C. Bryant & Co.; 1890.
We spent 41 hours on research, videography, and editing, to review the top selections for this wiki. If you're looking to get in the best shape of your life without putting up with crowded gyms, expensive memberships, or accidentally lying in pools of other people's sweat, then these exercise DVDs will take your fitness game to the next level. The workouts are not easy, but when you see that six-pack staring back at you in the mirror, you'll definitely know they're worth it. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best workout dvd on Amazon.
Brooke Cates created The Bloom Method with a strong desire to empower women before, during and after their pregnancies. Using innovative methods specific to The Bloom Method, TBM provides group fitness classes, workshops and 1:1 training to mamas in Boulder, Co as well as distance and travel training. Brooke is a Pre & Postnatal Corrective Exercise Specialist, Diastasis Recti + Core Rehabilitation Specialist and Pre and Postnatal Holistic Health Coach. Through her methodology, Brooke strives to provide women with the tools to help support their current pregnancy, empower them during birth, prevent common pregnancy-related injuries such as Diastasis Recti, Pelvic Floor Incontinence, and Prolapse while allowing her clients to experience a quicker healing phase post-baby and a stronger journey into motherhood. The Bloom Method’s one of a kind core techniques are smart, innovative, effective, and easy for any modern mom to implement. The Bloom Method’s smart approach to fitness is quickly revolutionizing Pregnancy and Postbirth Exercise within the industry.
YouTube [Internet]. Huntly Film Archives. German fitness. (1930's). 2014 Oct 21 [cited 2015 Aug 30]. Available from: http://youtu.be/KjObalYKTHE.  The fatal blow to traditional Physical Culture in gymnasium clubs occurred at the turn of the 20th century when the new bodybuilding exercise force emerged and dramatically superseded the entire gymnasium floor space.12 Beckwith KA. Building Strength. Alan Calvert, the Milo bar-bell company, and the modernization of American weight training; PhD thesis. Austin: The University of Texas; 2006. [Google Scholar] This forced both traditional Physical Culture systems to require new professional establishments. Competitive athletes and gymnasts started training under ‘The International Gymnastics Federation’ (established in 1881)13 International Gymnastic Federation (FIG) [Internet]. History of gymnastics. 2015 Aug 30 [cited 2015 Aug 30]. Available from: http://www.fig-gymnastics.com/site/about/federation/history. [Google Scholar] and within the ‘International Olympic Committee’ (established in 1894).14 The Olympic Museum [Internet]. The modern Olympic games. 2014 Dec 16 [cited 2015 Aug 30]. Available from: http://www.olympic.org/Assets/TOM_2013/Visit/Schools/TOM_teaching_list/ENG_The_Modern_Olympic.pdf. [Google Scholar] Concurrently, mind–body enthusiasts migrated to new independent schools, in which pioneers could express their opinions freely and gain popular following. Between 1890 and 1925, at least six new MMB schools emerged, sharing a similar exercise philosophy and practicing similar exercises. These methods, which are the focus of this paper, were led by six charismatic pioneers: Checkley, Müller, Alexander, Randell, Pilates, and Morris.
Circuit training tips for beginners: my advice here depends on how physically demanding the circuit is. If you’re just getting into working out and you want to circuit train, start with some less challenging exercises as part of your circuit and consider decreasing the time from a minute for each circuit to 30 seconds (or whatever you’re comfortable and able to finish the circuit with). The same advice applies here as in some of the other sections above: it’s good to build a baseline level of strength and aerobic fitness before circuit training, but it also depends on your level of fitness when you start.
Yoga, which when translated from Sanskrit means “to control” or “to unite,” is said to have originated in India thousands of years ago. While its origins are based upon religion, many yoga classes today focus more on the connection between mind, body and spirit and achieving a balance within the body. Yoga concentrates heavily on body awareness, breathing and stretching.

If you thought two-day free shipping and all access to “The Marvelous Mrs. Maisel” were the highlights of your Amazon Prime account, you are going to be pleasantly surprised at this other fit feature. Not only can order your yoga pants and earbuds on Amazon Prime, you can actually use it to squeeze in a bit of cardio or stretching anywhere you happen to be.
One way repeated ANOVAs (time: isotime from first to seventh minute and exhaustion) were used to test the time course of EMG RMS for all muscles, leg RPE, leg muscle pain and heart rate. Significant effect of time was explored with planned comparison (1st minute vs other time points, exhaustion vs other time points) adjusted with Holm-Bonferonni correction.

Who says you have to jump, grunt, strain and punish your body to get amazing results from your workout? Not with PiYo. PiYo combines the muscle-sculpting, core-firming benefits of Pilates with the strength and flexibility advantages of yoga. And, we crank up the speed to deliver a true fat-burning, low impact workout that leaves your body looking long, lean and incredibly defined.
The effects of exercise training appear to be heterogeneous across non-mammalian species. As examples, exercise training of salmon showed minor improvements of endurance,[155] and a forced swimming regimen of yellowtail amberjack and rainbow trout accelerated their growth rates and altered muscle morphology favorable for sustained swimming.[156][157] Crocodiles, alligators, and ducks showed elevated aerobic capacity following exercise training.[158][159][160] No effect of endurance training was found in most studies of lizards,[158][161] although one study did report a training effect.[162] In lizards, sprint training had no effect on maximal exercise capacity,[162] and muscular damage from over-training occurred following weeks of forced treadmill exercise.[161]
I enjoyed your functional training exercises, but I’m not sure about some of them as I was recently diagnosed with a small tear in my rotator cuff. I’m not planning on having surgery. My doctor said that I could work out, but other than saying not to do straight bar bench presses, he said if it hurts, don’t do it. I would love a little more direction than that. Do you have anything more to offer? Thank you.
The question used to assess location of exercise had the following response options: home, outdoor in nearby area, nature, gym, indoor- and outdoor sports facility. Indoor- and outdoor sports facility was categorized as “sports facility” due to a low response rate on the outdoor sports facility option (1%). For social setting of exercise, the response options were: exercised alone, exercised together with others, and organized by Generation 100.
Strength training means using resistance to work your muscles; that can be your bodyweight, dumbbells, kettlebells, sand bags, resistance bands, etc. The goal of this type of workout is to increase muscle mass. Getting stronger helps improve everyday performance (from sports to regular life), prevent injuries, and increase your metabolism. Need a primer on where to start? We’ve got you covered.
... Consequently, it was suggested that when determining LT in trained subjects, at least 8-min stages should be used ( Foxdal et al., 1996;Weltman et al., 1990). However, using such a stage duration would not allow maximal tasks to be assessed, since the duration of the whole procedure could result in an excess of fatigue or motivation ( Buchfuhrer et al., 1983). This was shown to compromise the V Á O 2max and maximum work-rate achievements (Bentley et al., 2007). ...
* Exercise isn't supposed to be fun or enjoyable (that's what recreation is for). Exercise is a means-to-an-end. It shouldn't be something you look forward to, nor should you dread doing it; it should just be part of your lifestyle... like eating or sleeping. If you DO look forward to it, and even crave it, you could be hooked on the endorphin rush you get from doing an activity that is considered by the body to be over-doing it. And since the body would rather you not do this, it would be prudent to respect the body's wishes.

How much space do you have to exercise? – Do you have plenty of space to move around freely without hitting or running into anything? If you get kickboxing style exercise videos will you be able to follow the moves without taking out a living room lamp? Knowing how much space you will have to work out will help you match the exercise videos your purchase to the space you will be using to watch them and follow along.
Exercising stock options should not be a passive event that happens after a given amount of time. It's rather like playing a hand of cards: if your plays are strategic, you'll probably "know when to hold them and when to fold them." Many alternatives and trade-offs need to be considered. But, as always, rules, requirements, and regulations govern this area, and this is where we begin.
Before starting a weight training program, be sure to learn the proper form. Start light, with just one or two pounds. You should be able to lift the weights 10 times with ease. After a couple of weeks, increase that by a pound or two. If you can easily lift the weights through the entire range of motion more than 12 times, move up to slightly heavier weight.
A number of medical reviews have indicated that exercise has a marked and persistent antidepressant effect in humans,[37][48][49][52][70][71] an effect believed to be mediated through enhanced BDNF signaling in the brain.[40][52] Several systematic reviews have analyzed the potential for physical exercise in the treatment of depressive disorders. The 2013 Cochrane Collaboration review on physical exercise for depression noted that, based upon limited evidence, it is more effective than a control intervention and comparable to psychological or antidepressant drug therapies.[70] Three subsequent 2014 systematic reviews that included the Cochrane review in their analysis concluded with similar findings: one indicated that physical exercise is effective as an adjunct treatment (i.e., treatments that are used together) with antidepressant medication;[52] the other two indicated that physical exercise has marked antidepressant effects and recommended the inclusion of physical activity as an adjunct treatment for mild–moderate depression and mental illness in general.[48][49] One systematic review noted that yoga may be effective in alleviating symptoms of prenatal depression.[72] Another review asserted that evidence from clinical trials supports the efficacy of physical exercise as a treatment for depression over a 2–4 month period.[37]
What if we told you that you could get a kick-ass cardio workout that would keep you on your toes, without even leaving the house? Better still: The steps are broken down into beginner, intermediate, and advanced levels, so you can adjust as needed. And the bodyweight-only moves are mostly low impact, meaning you can do them in the comfort of your own living room without worrying about annoying the downstairs neighbors.
Pregnant women may find yoga to be a beneficial workout, but you should always consult your physician before engaging in any exercise program, especially during pregnancy. Individuals who want a more relaxing form of exercise while improving upon their current level of fitness will find yoga to be enjoyable. Many people benefit from the clear-headedness that comes with the deep breathing and mind-calming exercises that take place with yoga.
Although there have been hundreds of studies on physical exercise and the immune system, there is little direct evidence on its connection to illness. Epidemiological evidence suggests that moderate exercise has a beneficial effect on the human immune system; an effect which is modeled in a J curve. Moderate exercise has been associated with a 29% decreased incidence of upper respiratory tract infections (URTI), but studies of marathon runners found that their prolonged high-intensity exercise was associated with an increased risk of infection occurrence. However, another study did not find the effect. Immune cell functions are impaired following acute sessions of prolonged, high-intensity exercise, and some studies have found that athletes are at a higher risk for infections. Studies have shown that strenuous stress for long durations, such as training for a marathon, can suppress the immune system by decreasing the concentration of lymphocytes.[26] The immune systems of athletes and nonathletes are generally similar. Athletes may have slightly elevated natural killer cell count and cytolytic action, but these are unlikely to be clinically significant.[27]
Now that you understand the vast amount of categories available to you, you can start narrowing the field of choices down by looking at the specifics of exercise videos and deciding which ones will be something you will not only enjoy but continue to use long term. If you are starting out as a beginner to exercise, then you should expect to upgrade your exercise videos as your fitness levels increase. You don’t have to stay with a beginner video when your fitness level advances to intermediate or advanced. Below are some factors to look at when looking at individual videos.
Resistance bands serve as another space and equipment saver. These elastic bands typically have handles on the end, and you can perform a variety of exercises with them. If you'd like to increase the intensity and resistance, you can use two bands at once. Surgical tubing makes and extremely inexpensive resistance band, provided you create a safe way to hold onto the ends so that you don't accidentally let go.
* Strength building exercises will improve cardiopulmonary efficiency. The cardiopulmonary system exists to service the musculature (among other things). You "get at" the cardiopulmonary system through the skeletal muscles. When demands are made of the musculature which strengthen it, all systems that service the musculature will be strengthened accordingly. The cardiopulmonary system doesn't care what exercise you do. (However, the joints, ligaments, and tendons do; and while they don't mind the occasional sprint, they'd rather you not pound them with high-force activities for hours-on-end.) If the exercise protocol outlined above results in excellent cardiopulmonary fitness, why would you want to do more than you need to do? (And there are studies which suggest that doing more than you need is actually harmful to the heart!)
Exercising stock options should not be a passive event that happens after a given amount of time. It's rather like playing a hand of cards: if your plays are strategic, you'll probably "know when to hold them and when to fold them." Many alternatives and trade-offs need to be considered. But, as always, rules, requirements, and regulations govern this area, and this is where we begin.
Figure 1 Squat. Checkley9 Checkley E. A natural method of physical training. New York (NY): William C. Bryant & Co.; 1890. [Google Scholar] and Randell, reproduced with kind permission of Wellcome Library. Demonstrated by Barbara Mortimer Thomas.26 Wellcome Library [Internet]. Rodway H. Training for childbirth - and after (1940). 2015 Sep 24 [cited 2015 Oct 3]. Available from: http://wellcomelibrary.org/player/b16729006#?asi=0&ai=0. [Google Scholar]
The barre method uses your own body weight for resistance and focuses on small, deliberate movements that focus on specific groups of muscles, specifically muscles that aren’t used in other workouts. Muscles are worked to the point of fatigue, and then stretched for relief. Proper form, body alignment and posture is stressed, which in turn leads to an overall strengthening of core muscles and the appearance of an aligned, lean body.

All three workout methods provide physical and mental benefits. In fact, the Centers for Disease Control and Prevention (CDC), reports that engaging in aerobic and/or muscle-strengthening activities 3 to 5 times a week for 30 to 60 minutes improves your physical health, mental health and mood. It serves to improve sleep, reduce stress and improve your overall sense of well-being. Exercising regularly can help you live a healthier, happier life.
Greg Brookes is the founder of GB Personal Training Ltd and KettlebellsWorkouts.com. He has been featured in Men's Health, Women's Fitness, Men's Fitness, and Health & Fitness Magazine, where he wrote a monthly column. He has also been featured in the majority of UK national newspapers. Labelled as "the trainer to the trainers" he delivers seminars and a regular newsletter to help Personal Trainers improve their skills and achieve better results for their clients. Continue reading
Calling all new moms! Whether you're looking to stay in shape during pregnancy, or get back into shape afterward, this workout is designed to give you a long, lean body. A blend of Pilates and barre moves, it follows the guidelines of the American College of Obstetricians and Gynecologists so that you can rest assured that you're exercising safely.

The first step to any workout routine is to evaluate how fit you are for your chosen physical activity. Whenever you begin an exercise program, it's wise to consult a doctor. Anyone with major health risks, males aged 45 and older, and women aged 55 and older should get medical clearance, says Cedric Bryant, PhD, chief exercise physiologist for the American Council on Exercise.
If you really want to get in shape, why not turn some everyday tasks into exercise opportunities? We know you're lazy, so between your DVD-guided workout sessions, finding ways to incorporate exercise into daily tasks may help to make exercise less of an intimidating, dark, scary monster that looms ahead. Finding room for exercise in your daily life could even make exercise—dare I say it—fun.

A number of medical reviews have indicated that exercise has a marked and persistent antidepressant effect in humans,[37][48][49][52][70][71] an effect believed to be mediated through enhanced BDNF signaling in the brain.[40][52] Several systematic reviews have analyzed the potential for physical exercise in the treatment of depressive disorders. The 2013 Cochrane Collaboration review on physical exercise for depression noted that, based upon limited evidence, it is more effective than a control intervention and comparable to psychological or antidepressant drug therapies.[70] Three subsequent 2014 systematic reviews that included the Cochrane review in their analysis concluded with similar findings: one indicated that physical exercise is effective as an adjunct treatment (i.e., treatments that are used together) with antidepressant medication;[52] the other two indicated that physical exercise has marked antidepressant effects and recommended the inclusion of physical activity as an adjunct treatment for mild–moderate depression and mental illness in general.[48][49] One systematic review noted that yoga may be effective in alleviating symptoms of prenatal depression.[72] Another review asserted that evidence from clinical trials supports the efficacy of physical exercise as a treatment for depression over a 2–4 month period.[37]
Do you even lift, bro? While putting away groceries, do bicep curls with cans, bottles, or other objects. You can also try holding these objects above your head for ten seconds before putting them away. Alternately, when grocery shopping, opt for a basket instead of a cart when you can. You'll be working out your upper body without even thinking about it.
Many exercise videos will make unrealistic guarantees in terms of the results you can expect to see. Beware of these because they can set you up for a real disappointment. A good example of this is a program that claims you can get “ripped” in 30 days. Well, this might be true IF you are only toning up and don’t have weight to lose. For anyone who has got pounds to lose, they finish the 30 days and are still not “ripped” because those claims did not apply to anyone who has weight to lose.
Whenever I’m feeling overwhelmed and super busy, the first thing that always falls off my schedule is hitting the gym—even though I know making the extra time to sweat it out will make me feel better and more centered. But I’ve realized that you can always find a way to prioritize the things that matter, even if you have to get creative with the way you fit them in.
Both groups performed an equal proportion of exercise sessions alone (MCT: 50%, HIIT: 49.6%) and together with others (MCT: 50%, HIIT: 50.4%). In both groups, women had a significantly higher proportion of sessions together with others compared to men (56% vs. 44%, p < 0.01). The HIIT group had a significantly higher proportion of sessions organized by Generation 100 compared to the MCT group (8.1% vs. 5.9%, p < 0.01).

The snatch is one of the two current olympic weightlifting events (the other being the clean and jerk). The essence of the event is to lift a barbell from the platform to locked arms overhead in a smooth continuous movement. The barbell is pulled as high as the lifter can manage (typically to mid [ chest] height) (the pull) at which point the barbell is flipped overhead. With relatively light weights (as in the "power snatch") locking of the arms may not require rebending the knees. However, as performed in contests, the weight is always heavy enough to demand that the lifter receive the bar in a squatting position, while at the same time flipping the weight so it moves in an arc directly overhead to locked arms. When the lifter is secure in this position, he rises (overhead squat), completing the lift.
My favorites are all free, though you can subscribe for more features to most of them as well. But free works just fine. They’re all available on iOS and Android (except for one). They’re all built around the science-based concept of high-intensity circuit training using body weight, so you don’t need any fancy equipment. I’ve done these in hotel rooms, my office, parks, and even in a quiet corner at the airport waiting to get on a plane.

The Internet may be your favorite way to waste time, but it also offers a wealth of resources for home and/or traveling exercisers. Not all content is created equal on the World Wide Web but, if you know where to look, you can find almost everything you need to know about exercise: How to set up a home gym, create your own exercise program, and learn the basics of cardio, strength training and how to get in shape with exercise.
In recent years, the simple exercise DVD has morphed into a complete “home fitness system,” offering multiple discs with up to a dozen workouts that are combined in very prescriptive ways. They come complete with diets, making them more like plans than just exercise routines. And they cost a lot more than the $10 or $12 you’d spend on a workout DVD. It has been almost a decade since P90X, the leader of the trend, came on the market. The craze shows no sign of slowing down, so we decided to find out whether four leading DVD systems were worth it.
As a "formerly advanced" climber who is trying to get back into a healthy regimen after a year or two off, this book was excellent review of some obvious components of active practice that I'd forgotten in my rush to get back to my old level of climbing. Horst continues to be the best when it comes to training guides. Cannot recommend this book (or any of the others) enough.
Endurance exercise refers to one’s ability to do a prolonged exercise of moderate intensity. Strength endurance specifically, refers one’s ability to exert a low to moderate level of force for lengthy periods of time. “Aerobic” means the presence of oxygen and includes activities that increase your breathing and heart rate like walking, jogging, swimming, and biking. Aerobic exercise, such as running can be done anywhere, however, doesn’t build muscle, which is an essential aspect of fitness.

In the fourth and final week of the program, you’ll train four days in a four-way split that hits each bodypart just once (except for calves and abs, which are each trained twice). Four-day splits are common among experienced lifters because they involve training fewer bodyparts (typically 2–3) per workout, which gives each muscle group ample attention and allows you to train with higher volume. As you’ll see, chest and triceps are paired up, as are back with biceps and quads with hamstrings, each a very common pairing among novice and advanced bodybuilders. Shoulders are trained more or less on their own, and you’ll alternate hitting calves and abs—which respond well to being trained multiple times per week—every other workout. No new exercises are introduced in Week 4 so that you can focus on intensity in your workouts instead of learning new movements.
You might not be responsible for delivering the certificates of the swapped shares to your employer. Many stock option plans permit you to exercise with shares you already own, through a process called "attestation." You complete an affidavit of ownership and submit it with proof of stock ownership (such as a copy of stock certificates or recent brokerage statements).
It is well known that exercise in the older population may prevent several diseases [1–4]. Reduced physical activity impairs the quality of life in elderly people with Alzheimer's Disease [4], Parkinson's Disease [5], and Depressive Disorders [6]. Moreover, musculoskeletal, cardiopulmonary, and cerebrovascular decline are associated with poor physical fitness because of the cumulative effects of illness, multiple drug intake, fatigue, and bed rest [7, 8]. The effects of physical activity and exercise programs on fitness and health-related quality of life (HRQOL) in elderly adults have been widely studied by several authors [9–11]. De Vries et al. [11] conducted a meta-analysis focusing on elderly patients with mobility problems and/or multimorbidity. Eighteen articles describing a wide variety of actions were analyzed. Most used a multicomponent training program focusing on the combination of strength, balance, and endurance training. In 9 of the 18 studies included, interventions were supervised by a physical therapist. Intensity of the intervention was not reported and the duration of the intervention varied from 5 weeks to 18 months. This meta-analysis concluded that, considering quality of life, the exercise versus no-exercise studies found no significant effects. High-intensity exercise appears to be somewhat more effective in improving physical functioning than low-intensity exercise. These positive effects are of great value in the patient population but the most effective type of intervention remains unclear. Brovold et al. [7] recently examined the effects of high-intensity training versus home-based exercise programs using the Norwegian Ullevaal Model [12] on a group of over-65-year-olds after discharge from hospital. These authors based their study on the Swedish Friskis-Svettis model [13] which was designed by Johan Holmsater for patients with coronaropathy to promote their return to work and everyday activities and improve their prognoses. This model includes three intervals of high intensity and two intervals of moderate intensity, each one lasting for 5 to 10 minutes. Included in each is coordination. Exercises consist of simple aerobic dance movements and involve the use of both upper and lower extremities to challenge postural control [13]. Exercise intensity was adjusted using the Borg Rating of Perceived Exertion (RPE) Scale. Moderate intensity was set between 11 and 13, and high intensity was set between 15 and 17 on the Borg Scale.
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