Many overestimate exercise intensity, study shows

Do you work out for health benefits and feel you are exercising more than enough? You might be among the many Canadians who overrate how hard they work out or underestimate what moderate intensity exercise means, according to a recent study out of York University’s Faculty of Health.

“Our study findings suggest that the majority of young and middle-aged to old adults underestimate the intensity of physical activity that is required to achieve health benefits,” says Professor Jennifer Kuk, School of Kinesiology and Health Science. “This is worrisome both for personal and public health and well-being.”

The 129 sedentary adult ages 18 to 64 recruited for the study, irrespective of their sex, ethnicity or BMI classifications, correctly estimated physical activities of light effort but underestimated moderate and vigorous effort, even after being given commonly used exercise intensity descriptors.

“We instructed volunteers to walk or jog on the treadmill at a speed which they felt corresponded to the ‘light,’ ‘moderate’ and ‘vigorous’ intensity descriptors used in the physical activity guide, yet they underestimated how hard they should be working to achieve moderate and vigorous intensity,” lead researcher and graduate student Karissa Canning says.

Health Canada, as well as global physical activity guidelines using general terms to describe exercise intensity (determined by a given percentage of the maximum heart rate of an individual), recommend that adults ages 18 to 64 years should participate in two-and-a-half hours of moderate to vigorous physical activity per week for 10 minutes or longer at a stretch.

For adults to achieve a moderate intensity, their heart rates should be within the range of 64 to 76 per cent of their maximum heart rate and between 77 to 83 per cent for vigorous intensity, according to the Canadian and global physical activity guidelines.

Though there has been ample research that helped to develop the current guidelines, it is unclear whether individuals actually understand them as intended, notes Canning.

The Heart and Stroke Foundation funded study, “Individuals Underestimate Moderate and Vigorous Intensity Physical Activity” was recently published in PLOS ONE.

Story Source:

The above story is based on materials provided by York University. Note: Materials may be edited for content and length.

Original story here.
Fitness News — Sciencedaily
— Courtesy “Science News Daily” (ScienceNewsDaily.com) <p>

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<p>Question by carriehathaway: What is exercise physiology principles?
I have to write a brief statement of the application of exercise physiology principles. I have no idea what it is!

Best answer:

Answer by christine
is the study of mechanical, physical, and biochemical functions of the living organisms. if you know this you should be able to answer the question.

Know better? Leave your own answer in the comments!

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    • DroidLife
    • June 16, 2014

    Kundalini goes from the root chakra that is situated between genetals and
    anus and up through the core of the body, hence the martial art/yoga
    reference you mention at the start. Very good exercise. Thanks!

    • Great White7
    • June 16, 2014

    Will this work in reverse? ie can I “push” out my penis, and grow a few
    extra inches? :)

    • my names not rick
    • June 16, 2014

    can this help me release chi? i haven’t been able to go super saiyan 2 in

    • David Wade
    • June 16, 2014


    • brainAcid9
    • June 16, 2014

    Dude current bodybuilders have thick abs and stomachs from all the Growth
    Hormone and other steroids they’re on throughout the year. Lets keep it
    real please.

    • GuitarPlayingTV
    • June 16, 2014

    So how often should i do this ? I did it for the last 2 Weeks every night
    before sleep for 10 times of 10 seconds and sometimes I could feel it and
    sometimes not. Should I do this everyday ? And how could a workout look.
    Also how can I do a vacuum when crunching ? I have to hold my breathe to do
    this so I cant breathe while doing crunches.

    • DoomFinger511
    • June 16, 2014

    This was not an appropriate video to watch in the library.

    • Archie Bunker
    • June 16, 2014

    Yo Elliott! How do i get a voice like yours?

    • Rend Gerzon
    • June 16, 2014

    5:25 I lost my shit. LOL I love this guy.

    • King Geoffrey II
    • June 16, 2014

    crazy you mention martial arts.. I was in shotokan karate for 6+ yrs and
    did the horse stance A LOT.. also was in boxing and I think these two
    activities are what gave me the abs and core I have today.. makes a lot of

    • SinerAthin
    • June 16, 2014

    I do vacuum exercises while watching Youtube.


    • MockingbBird Killa
    • June 16, 2014

    Don’t do this exercise without removing everything from your bowels.

    • Patrick Green
    • June 16, 2014

    6:13 +Timothy Philemon 

    • UDT116
    • June 16, 2014

    High Voice

    • Nour Khair
    • June 16, 2014

    to b honest i lived vacuuming my abs for as long as i can remember, and
    still am. but no matter how much i lose fat and follow good nutrition, i
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    see 4 packs above that belly button i got, i really don’t understand why is
    it not becoming flat… but i can’t deny vacuuming probably gave me core
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    • Pudsy440
    • June 16, 2014

    That’s actually a hatha yoga technique

    • mvmnexprt
    • June 16, 2014

    exercise physiology principle relate to how the body responds to different types of exercise related principles; such as resistance (strength) training, endurance(cardiovascular) training, and range of motion (flexibility), in other words how does the body respond in regards to these types of training. Some examples are hypertrophy (increased muscle size) with resistance exercise, increased oxygen utilization by tissues such as muscle and increased cardiac output with endurance exercise, and permanent elastic changes with flexibility exercises.

    Hope this helps!

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