Between August 2012 and June 2013, all men and women born between years 1936 to 1942 (aged 70–77 years), with a permanent address in the municipality of Trondheim, Norway, were invited to participate in a randomized controlled trial, the Generation 100 study. The primary aim of Generation 100 is to determine the effect of five years of exercise training on morbidity and mortality. The Generation 100 study protocol and study sample characteristics have been published previously [19].

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.
Absolute values for KE MVC torques and maximal EMG RMS are presented Table 3. As EMG RMS of the RF muscle at 60 deg/s pre-exercise values significantly differ between sessions, these data were not analyzed. Planned comparisons to explore main effect of time are presented Table 3. Despite a significant main effect of time for the EMG RMS of the RF muscle at 140 deg/s, planned comparison failed to demonstrate a significant difference between times. Changes in KE MVC torque and KE EMG RMS related to baseline are presented Figs 6 and 7. Isometric KF MVC torque did not change over time (75 ± 31 to 73 ± 27 N·m, P = 0.368).
I saw the commercial for this program a few years ago on TV and laughed when it came on. I thought it was just another one of those infomercials that advertised something unattainable and absolutely ridiculous. Who could possibly get ripped by working out in their living room for an hour a day? Well, let's fast forward 3 years later to 2011 and I certainly wasn't laughing anymore. During my college years I managed to pack on 50 pounds of extra weight that needed to come off. So, I went on a diet and started working out at the local gym. Well, that whole gym thing didn't last long. Between gas prices and the membership cost, I just wasn't feeling it. While venting to one of my friends, he suggested that I do P90x. Needless to say he received an eyebrow raise from me. Fast forward another 2 weeks later ... full review

Our results showed that both the MCT and HIIT group performed an equal amount of exercise sessions alone and together with others, suggesting that both individual and group-related exercise intervention strategies may be attractive to older adults. However, women exercised more frequently together with others than men. This result is in line with previous findings that women aged 60–67 years are less likely than men to prefer physical activity that can be done alone [23], and that more women than men express a need for social support to maintain an exercise program [31].
Outdoors in nearby area and in nature was the most frequently reported exercise location in both training groups. This finding is in line with previous studies reporting that older adults prefer to exercise close to home [23, 30] and outdoors [23]. Interestingly, outdoors was the most common exercise location in both warmer and colder months despite the fact that colder months in Norway consist of more snow, higher prevalence of ice and relatively fewer hours of daylight compared to warmer months. The HIIT group had a higher proportion of sessions at a gym and sport facility compared to the MCT group. This finding is likely related to the fact that the HIIT group reported a higher proportion of sessions with exercise types commonly performed at these locations (e.g. swimming and other types of endurance training) compared to the MCT group. Some older adults might feel that it is easier to reach a high-intensity level with activities located at a gym and sports facility compared to outdoors.
The Canadian Society for Exercise Physiology has published "The Canadian Physical Activity, Fitness & Lifestyle Approach", which details fitness assessment protocols. One such protocol, the mCAFT, is designed to give information about the aerobic fitness of a person, while using minimal equipment. The subject works by lifting its own body weight up and down double steps (40.6 cm in height total) while listening to set cadences from a compact disc. The end-stage of the age and gender specific stepping rate requires 85% of the age-predicted maximum heart rate. The heart rate increases approximately in a linear fashion from 50% to 100% of maximal oxygen intake. The heart rate does not decrease significantly during the first fifteen seconds of recovery. Thus, one can predict an aerobic fitness using the heart rate right after exercise of a known sub-maximal rate of working.
Results of the present study show that ACTH and PRL responses to a double maximal exercise bout are sensitive for the diagnosis of OTS and NFO. Cortisol and GH responses were much less sensitive measures as were resting hormone concentrations. Maximal lactate concentrations at both exercise tests showed a high sensitivity for the detection of OTS, but almost half of the NFO patients did not reach [La]max of 8 mmol l−1 either.
2. The "For Dummies" series. Any of the "Dummies" series videos (like Shaping up with Weights for Dummies, Pilates for Weight Loss for Dummies and Basic Yoga for Dummies) are usually excellent, says Zurowski. These videos go slowly, explain the workout clearly, and show the exercise from multiple angles. The instructor is always alone, so there are no distractions. Another good feature of this series is that it also shows mistakes to avoid, says Glenna.
Remember when the only thing your cell phone did was make phone calls? Now, you can waste all kinds of time with smartphone apps that allow you to do everything from playing Scrabble to exercising. Smartphones, iPads and MP3 players are excellent resources for home exercisers, particularly if you find yourself getting bored from doing the same old thing, day after day. With the right apps, you can find guided workouts, paced music, timers and more, all of which can add variety and fun to your home workouts.

One hundred and sixty-seven subjects (77 males and 90 females), aged 18–50 years, performed a modified Bruce protocol before (pre) and after (post) a weight loss program of 24 weeks. This program combined physical training (strength, S; endurance, E; combined strength + endurance, SE; or physical activity recommendation, PA) 3 times per week, with a 25%–30% caloric restriction diet.
Here's a way to tone the thighs and butt without a reformer. Begin by kneeling. Lean to the left, placing your left hand on the mat under the shoulder and your right hand behind the head with the elbow pointing up. Raise your right leg until it is parallel to the floor. Holding the torso steady, kick the leg to the front and then to the back, knee straight. Do five reps on each side.
"CrossFit differentiates itself by being constantly varied in both movements and time domains," Mandelbaum says. "You might have a day in the box with a four-minute sprint workout one day, and then come in the next day for a 15-minute moderate-to-fast-paced workout featuring three movements that need to be repeated in a cycle or round until the time clock runs out."
Your heart rate refers to how many beats per minute (BPM) your heart is pumping, and when it comes to working out, knowing your heart rate can help determine if you’re working at the right intensity. You have your resting heart rate, which is how fast your heart is beating when you’re doing nothing (the best way to measure this is to take your pulse first thing in the morning). Generally speaking, this gets lower as you get more fit because your heart doesn’t have to work as hard to pump out blood (although if you have a naturally low resting heart rate thanks to genetics, it may not get much lower, and that’s totally fine, says Lefkowith). According to the American Heart Association, the average is 60-100 BPM. You also have your maximum heart rate, which is the hardest your heart can work efficiently.
Exercise videos are probably one of the most purchased items when it comes to fitness. They are also one of the most likely to end up on the shelves of users due to many different reasons. In many cases, it’s because the user didn’t know what they were getting into when they purchased the exercise videos, so once they got them home and watched them, it turned out it wasn’t what they were looking for at all.

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.
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.

The lateral raise (or shoulder fly) is performed while standing or seated, with hands hanging down holding weights, by lifting them out to the sides until just below the level of the shoulders. A slight variation in the lifts can hit the deltoids even harder, while moving upwards, just turn the hands slightly downwards, keeping the last finger higher than the thumb. This is an isolation exercise for the deltoids. Also works the forearms and traps.


Chronic stress and the subsequent chronic peripheral glucocorticoid secretion plays an important role in the desensitisation of higher brain centre response during acute stressors because it has been shown that in acute (and also chronic) immobilisation, the responsiveness of hypothalamic corticotrophin-releasing hormone (CRH) neurons rapidly falls.26 These adaptation mechanisms could be the consequence of changes in neurotransmitter release, depletion of CRH and/or desensitisation of hypothalamic hormonal release to afferent neurotransmitter input.26 Indeed, concentrations of CRH are elevated, the number of CRH-secreting neurons in the limbic brain regions is increased and the number of CRH binding sites in the frontal cortex is reduced secondary to increased CRH concentrations following chronic stress.25

One of the main reasons I don't do Pilates very often is that, for me, it gets too boring after a while. Enter this DVD. Made up of five 10-minute workouts, it kept me engaged because I was able to change up the routine often, or, if I only had a few minutes available, I could still squeeze in a workout with just one of the programs. I just might be a Pilates convert after all.
Intensity: The best exercise intensity for CFS/ME patients is low intensity and low-impact, at least in the beginning. IF post exercise malaise occurs, try not to skip workouts, just go back to a lower intensity and less duration. Please note that I do consider cleaning one of those daily activities that can be harder on the fibro body than structured exercise. Do not determine your ability to exercise on difficulty with cleaning, bending, stopping, starting, etc that is involved there.

This Chinese martial art that combines movement and relaxation is good for both body and mind. In fact, it's been called "meditation in motion." Tai chi is made up of a series of graceful movements, one transitioning smoothly into the next. Because the classes are offered at various levels, tai chi is accessible — and valuable — for people of all ages and fitness levels. "It's particularly good for older people because balance is an important component of fitness, and balance is something we lose as we get older," Dr. Lee says.
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.
“I always tell people that you want to learn why you’re doing something—knowing a bunch of moves doesn’t matter as much when don’t you know how to implement them,” explains Cori Lefkowith, Orange County-based personal trainer and founder of Redefining Strength. So even if you’ve got planks and push-ups down, understanding what’s really going on while you’re training can help you reach your goals faster. We’ve decoded 25 common fitness terms for you so that you can work out with confidence and get the most out of your fitness routine.
Do you have any health or physical limitations to consider? If you have back problems, knee issues, arthritis, high blood pressure, asthma, or any kind of health or physical limitations, you need to consider these when looking at the array of exercise videos on the market. There are some that will push you to the very edges of your limits and others that can accommodate a necessity for lower impact and a slower pace yet are still effective. Ignoring health problems or physical limitations is very dangerous. Asking your doctor for any restrictions before shopping is a plus as well.

A systematic review evaluated 45 studies that examined the relationship between physical activity and cancer survivorship. According to the review, "[there] was consistent evidence from 27 observational studies that physical activity is associated with reduced all-cause, breast cancer–specific, and colon cancer–specific mortality. There is currently insufficient evidence regarding the association between physical activity and mortality for survivors of other cancers."[29] Although there is only limited scientific evidence on the subject, people with cancer cachexia are encouraged to engage in physical exercise.[30] Due to various factors, some individuals with cancer cachexia have a limited capacity for physical exercise.[31][32] Compliance with prescribed exercise is low in individuals with cachexia and clinical trials of exercise in this population often suffer from high drop-out rates.[31][32]
Cardio-wise, there's no need to completely abandon what you love. Just tweak it. "At least one day a week, do a different activity than usual," Dixon advises. "If you're a walker, hit the pool. If you're a cyclist, get to know the rowing machine." Increase intensity during your second cardio workout of the week, and up your workout time during the third session. "Those three changes will keep your body guessing," she says.
The Pull-up is performed by hanging from a chin-up bar above head height with the palms facing forward (supinated) and pulling the body up so the chin reaches or passes the bar. The pull-up is a compound exercise that also involves the biceps, forearms, traps, and the rear deltoids. A chin-up (palms facing backwards) places more emphasis on the biceps and a wide grip pullup places more emphasis on the lats. As beginners of this exercise are often unable to lift their own bodyweight, a chin-up machine can be used with counterweights to assist them in the lift.
Chase Squires is the first to admit that he's no fitness expert. But he is a guy who used to weigh 205 pounds, more than was healthy for his 5'4" frame. "In my vacation pictures in 2002, I looked like the Stay Puft Marshmallow Man at the beach," says the 42-year-old Colorado resident. Squires decided enough was enough, cut out fatty food, and started walking on a treadmill. The pounds came off and soon he was running marathons -- not fast, but in the race. He ran his first 50-mile race in October 2003 and completed his first 100-miler a year later. Since then, he's completed several 100-mile, 50-mile, and 50k races.
Degenhardt B [Internet]. Once upon a time: the evolution of Pilates mat work. 2012 Nov 21 [cited 2015 Aug 30]. Available from: http://benjamindegenhardt.com/once-upon-a-time/.  Pilates swiftly gained prominence with dancers and celebrities, which led to his notoriety as a New York City exercise personality. In 1932, Pilates taught Contrology exercises at the mythological Jacob’s Pillow Dance Festival as he did every summer until 1951.42,43 Degenhardt B [Internet]. Once upon a time: the evolution of Pilates mat work. 2012 Nov 21 [cited 2015 Aug 30]. Available from: http://benjamindegenhardt.com/once-upon-a-time/.
Lie on your back with the knees bent and feet hip-width apart. Place arms at your side and lift up the spine and hips. Only the head, feet, arms, and shoulders should be on the ground. Then lift one leg upwards, keeping the core tight. Slowly bring the leg back down, then lift back up. Try to do 10 reps per leg, then bring the knee in place and spine back on the floor.
Video Abstract for the ESSR 46.3 article “The Microvasculature and Skeletal Muscle Healthin Aging” from authors Rian Q. Landers-Ramos and Steven J. Prior. Aging and aging-related declines in physical activity are associated with physical and metabolic impairments. Skeletal muscle capillarization is reduced in sedentary older adults, may contribute to impairments in skeletal muscle, and is modifiable by exercise training. This article examines the hypothesis that preservation of skeletal muscle capillarization is essential to maintain metabolism, fitness, and function with aging.

The hypothalamus is under the control of several “higher” brain centres and several neurotransmitters 13 known to play a major role in various neuroendocrine and behavioural functions, for example, activation of the HPA axis, feeding and locomotion.14 Therefore, the typical HPA axisrelated hormones cortisol, adrenocorticotrophic hormone (ACTH), prolactin (PRL) and human growth hormone (GH) were targeted in the present study.
Ken Hutchins' analysis is not just book theory; it is based on real experience training many, many thousands of subjects over a span of decades. He trained everyone from amateur and professional level athletes and bodybuilders to little old ladies with osteoporosis and also a great many genetically normal/average folks. He assisted Arthur Jones and Ellington Darden at Nautilus Sports Medical Industries where he first refined the Superslow method during a 5 years long clinical trial, the Nautilus Osteoporosis Study at The University of Florida Medical School in Gainesville (the study is mentioned in chapter 8 of the 1990 edition of "The Nautilus Book" by Ellington Darden, a book I highly recommend for beginning HIT practitioners). Hutchins' writing is as dry and clinical as one would expect to find in any textbook about medicine or engineering. It is also filled with rich insight into the intellectual processes and long history of carefully controlled experiments at Nautilus (and later Hutchins' own facilities) that brought Ken Hutchins to his current level of knowledge. His understanding of anatomy, biology, physics, engineering, psychology, history and sociology are all put to good use in this book and should enthrall any reader that possesses solid critical-thinking skills. Understanding the arguments for a distinction of "Exercise vs. Recreation", "The First Definition of Exercise" and "Requirements for Functional Ability" are crucial for everyone that cares even the slightest about the subject of human health, fitness, longevity or quality of life. These are not trivial matters.

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.


A compound exercise is a move that incorporates multiple muscle groups, like lunges, deadlifts, and squats. It may also refer to two moves being strung together, like a bicep curl to a shoulder press. Compound exercises are efficient for increasing overall muscle mass and burning calories (because they require more effort to complete), as opposed to isolation exercises, which focus on working just one muscle group (like a bicep curl).
Video Abstract for the ESSR 46.1 article “Sedentary Behaviors and Adiposity in Young People: Causality and Conceptual Model” from author Stuart Biddle. Research on sedentary behavior and adiposity in youth dates back to the 1980s. Sedentary behaviors, usually screen time, can be associated with adiposity. While the association is usually small but significant, the field is complex, and results are dependent on what sedentary behaviors are assessed, and may be mediated and moderated by other behaviors.
In the third week of the program we step it up to a three-day training split: Train all “pushing” bodyparts (chest, shoulders, triceps) on Day 1; hit the “pulling” bodyparts (back, biceps) and abs on Day 2; and work your lower body (quads, glutes, hamstrings, calves) on Day 3. As in Week 2, you train each bodypart twice a week, so you’ll hit the gym six days this week.

You'll need a box or sturdy bench to complete this move. If you've never attempted box jumps, start with a box that is mid-calf height and progress to higher heights from there. Stand in front of box with feet shoulder-width apart. Bend knees, send hips back, swing arms back, and, as you swing arms forward, explode up onto box. Land lightly on toes (no loud thuds!) then step down one foot at a time and repeat.

We were looking for something a bit more 'sophisticated' than the brightly colored tiles for our living room area where the kids play and we entertain. They are good quality, and because they are reversible, we were able to design more of a 'rug' look, rather thana being stuck with the regular checkerboard pattern with std tiles. These are a great value!

If there’s one travel-friendly workout tool, it’s the resistance band. Not only does it weigh next to nothing and take up little room in your bag, it’s also super versatile. And if you’re a fan of our full-body resistance band workout, you’ll definitely dig this free workout video. It combines strength movements, like rear lunges with a rotation, with heart rate-boosting exercises for a routine that’ll challenge your entire body.
KE EMG RMS corresponds to the sum of EMG RMS of the following muscles: Vastus Lateralis, Rectus Femoris and Vastus Medialis. Isokinetic KE MVCs were performed at 60 (panel, A), 100 (panel B) and 140 (panel C) deg/s. Isokinetic KE MVCs were measured pre-exercise (pre, average of all three sessions pre-exercise values), shortly after exhaustion (13 ± 4 s after exhaustion), 20 s following exhaustion test (P20) and 40 s following exhaustion test (P40). Data are presented as mean (SE).
^ Jump up to: a b Kyu, Hmwe H; Bachman, Victoria F; Alexander, Lily T; Mumford, John Everett; Afshin, Ashkan; Estep, Kara; Veerman, J Lennert; Delwiche, Kristen; Iannarone, Marissa L; Moyer, Madeline L; Cercy, Kelly; Vos, Theo; Murray, Christopher J L; Forouzanfar, Mohammad H (9 August 2016). "Physical activity and risk of breast cancer, colon cancer, diabetes, ischemic heart disease, and ischemic stroke events: systematic review and dose-response meta-analysis for the Global Burden of Disease Study 2013". BMJ. 354: i3857. doi:10.1136/bmj.i3857. PMC 4979358. PMID 27510511.

To start toning your abs by hitting up the lower abdominal muscles, Riggins suggests 30 seconds of leg raises. Here’s how: Turn on your back with legs straight and your feet and ankles together. Raise your legs up and down in a vertical position from your body, while keeping your belly button. Slowly bring legs back down, but if that is too difficult, tuck your knees. (And be careful not to strain your lower back!)
No one said it was going to be easy.........There is no doubt however, it could have been a lot easier , had it not been for the likes of Clegg, Blair and Heseltine trying to interfere and prevent the process of our leaving.......They have repeatedly tried , to put one obstacle after another in the way of Britain's departure, in a blatant attempt to stop the process......Clegg and his pals,would not recognise real democracy if they fell over it in the street..........

Also, my favorite workouts might not be yours. “It's like asking someone for the best musician, or the best craft beer,” says Daniel Freedman, co-founder of online fitness site, BurnAlong. He recommends trying several of the apps out to see which one works best for you. “Who is going to inspire you?” Freedman says, “find who you'll stick with week in and week out.”
Tabata training is a form of high-intensity interval training. It consists specifically of eight rounds of high-intensity exercise using a 20 seconds on (at full capacity) and 10 seconds off (rest) format. The goal is to push yourself as hard as you can during the 20 second on period. Tabata only requires one exercise, but you can combine different strength and aerobic exercises to make your own Tabata routine. Here’s a simple example of Tabata for one exercise:
If there’s one travel-friendly workout tool, it’s the resistance band. Not only does it weigh next to nothing and take up little room in your bag, it’s also super versatile. And if you’re a fan of our full-body resistance band workout, you’ll definitely dig this free workout video. It combines strength movements, like rear lunges with a rotation, with heart rate-boosting exercises for a routine that’ll challenge your entire body.
“I always tell people that you want to learn why you’re doing something—knowing a bunch of moves doesn’t matter as much when don’t you know how to implement them,” explains Cori Lefkowith, Orange County-based personal trainer and founder of Redefining Strength. So even if you’ve got planks and push-ups down, understanding what’s really going on while you’re training can help you reach your goals faster. We’ve decoded 25 common fitness terms for you so that you can work out with confidence and get the most out of your fitness routine.

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]
Most people instinctively move weights very quickly - they jerk upwards, lower the weight without much control, and tense up and use momentum to "bounce" the weight at both ends of the repetition. The instinct serves a purpose - the speed and bounce at the ends do allow heavier weight to be moved. In competitive weightlifting both explosive speed and momentum are essential.
Selection bias may limit generalizability to other populations of older adults since the included participants in the Generation 100 study were healthier, more educated and more physically active than nonparticipants [19]. However, our study population was diverse and included both healthy as well as older adults with comorbidities, and both inactive and very active older adults were included. The findings in the present study are based on a very large data material, and represent the most comprehensive data material on exercise patterns among older adults to date.

We’ve gone on the record with our love of MMA conditioning exercises, and that’s why we bookmarked this video. Even the warm-up is jam-packed with explosive movements that’ll get your heart pumping (think high knees and walking front kicks). And once you move into the actual workout, you’re in for even more high-energy exercises, like hopping front kicks, that are sure to condition your body from head to toe.
The Bloom Method is a unique system that is based on solid evidence compiled by our founder through her years of working individually with thousands of women in pregnancy, early post birth and well into motherhood. The Bloom Method combines cutting edge-core techniques, breathing practices, functional [mom] movements, strength training, Lagree [pilates] based moves, HiiT [for postnatal moms] and groundbreaking philosophies into one life-changing exercise method. 

It should be emphasised that, depending on the training status, the time the hormone measurements are taken (diurnal variation), urinary, blood and salivary measures create a great variation inthe interpretation of the results. In pathological situations such as in major depression,15 16 post-traumatic stress disorder,17 and probably also in OTS,10 the glucocorticoids and the brain monoaminergic systems apparently fail to restrain the HPA response to stress. Indeed, we recently showed that a test protocol with two consecutive maximal exercise tests separated by 4 h may give a good indication of the HPA response to stress in well-trained and FO athletes relative to a case of OTS.10 We found a suppression of the HPA response to the second exercise bout in the OTS athlete as opposed to the normal responses. The question can be asked if this method is also a valuable tool to make a distinction between NFO and OTS. Therefore, we report the results of 10 patients who were referred to our laboratory with the diagnosis of suspicion of NFO or OTS.
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