losing weight/fat with no cardio?

Hey all.

I am SURE this topic has come up time and time again. Feel free to refer me to another thread BUT

I need to understand the logic behind this. I kinda get it but wanna know the facts of why it works.

How can someone [particularly someone like me who has about 115 more pounds to lose] lose fat and inches without doing cardio?

I get that being active in general would help because when I wear my HRM I get my heart rate up pretty high whenever I do lower body workouts like squats and lunges.

I know cardio in general is good for the body and heart and all that jazz.

But explain to me how I can do a strict weight lifting program and achieve my fitness goals of losing so much fat?

-Nancy (:

Replies

  • yarwell
    yarwell Posts: 10,477 Member
    Sat in a chair you use energy (calories) and a fair proportion of them from fat. While you can burn more energy doing cardio, at the time you're doing it, you don't have to do it - you just take a bit longer without it.

    Weight lifting is intended to increase muscle mass which increases the energy you use sat in a chair.
  • 999tigger
    999tigger Posts: 5,235 Member
    No doubt someone will correct me but I believe you shoyld be focused on the calorie deficit.

    If you have a calorie deficit of 500 calories per day over week, then that equates to about 1lb of weight loss.

    Hence people saying its 80% + about dieting and not exercise.

    What you can do with the exercise is burn off extra calories, which you can eat back or which can reduce the amount you have to have from a strictly food deficit.

    So in terms of weight loss and calorie reduction how much will you exercise add? Lifting would add some, but the actual calorie burn is lower because its intense for short periods of time rather than the constant movement involved in cardio. You can use MFP to show this loss but I think its pretty hit and miss.

    In that case your weight loss/ deficit will come 90%+ from the amount you are eating less.
    I think its easier to use the cardio of your choice to help.
    You will ofc benefit from kifting from the muscle strengthening and general fitness.
  • Reprocess
    Reprocess Posts: 43 Member
    Hey.

    The math for this is very simple. Your body needs a certain amount of energy each day (calories) to work. As standard you get this from the food you eat. If you do not eat enough food to get the energy your body needs it will eat into your fat deposits as that is just what they are. backup energy deposits. So if you eat less food than your body needs. You lose fat.

    Doing cardio is not needed to lose fat. But it helps as it raises your total energy requirement for the day. But its not needed
  • NancyMarie13
    NancyMarie13 Posts: 193 Member
    Hey everyone all great points. I am doing just that I really just wanted to know the big deal about weight lifting and how it plays a part in what happens after you lift weights vs cardio.

    Weight lifting as the main form of exercise vs Cardio alone

    I get the whole deficit thing and understand that's important no matter what exercise I do but I've heard how much better weight lifting is and how it has more benefits than cardio alone. Yarwell is kinda getting at my point.
  • drazani
    drazani Posts: 98 Member
    Weight lifting is so good as in the process of losing weight you will also lose some muscle, doing strength training means that you lose less muscle than just by cardio alone.
    As i understand it our bodys are prepped to adapt to survive so if you do cardio your body will lose weight to make the cardio slightly easier but you also lose muscle as you dont need your whole muscle mass for just cardio. Whilst doing weight training your body adapts to preserve that muscle mass as you need to keep it to keep lifting this is why long distance runners have less muscle mass than weight lifters.
  • laceyf53
    laceyf53 Posts: 110 Member
    I'm sure someone will come along with a more direct version of this (on my way out the door so can't grab resources) - but weight lifting is an anaerobic activity, vs. cardio which is an aerobic activity. When you do aerobic activities for prolonged periods, your body can no longer convert glucose for energy and enters a catabolic state, using using lean muscle mass instead. It's why runners and people who do endurance activities are generally very thin. It doesn't apply to short periods of cardio, and it has to do with lean muscle being more efficient fuel than converting fat cells during prolonged aerobic activity.
  • cwolfman13
    cwolfman13 Posts: 41,865 Member
    It's math...your body burns calories 24/7...the majority of your calorie requirements are derived from you simply existing...your heart pumping...lungs and kidneys functioning, etc. On top of that, you are doing other things throughout the day...puttering around the house, driving her and there, going to the store, etc...this stuff burns calories too.

    So let's say you don't exercise at all...you're still "burning" calories in your day to day and burning calories just existing...the average female maintains weight without any deliberate exercise on around 1800 - 2000 calories or so. So to lose about 1 Lb per week you simply reduce your intake by 500 calories per day and eat 1300 - 1500 calories or so (for this example). You've created your weight loss deficit in your diet...no exercise required here...you're not trying to create your deficit with exercise with MFP.

    Now lets say you exercise...this increases your calorie requirements...the more activity there is, the more calories your body requires. Lets say you go for a 3 mile run everyday and burn around 300 calories. Now your maintenance number is no longer 1800...it is 1800 + 300 = 2,100 calories....so you can now lose that same 1 Lb per week eating 1,300 + 300 = 1,700 calories. Weight lifting is going to burn calories too, just not as many as a cardio event would for the time spent. You can lose weight without the cardio, but someone who does cardio in addition to lifting is going to have a higher calorie requirement and thus be able to eat more and still lose weight than someone who only lifted weights.

    It's just math. I would also have you note that the purpose of exercise isn't burning calories...burning calories is just a nice bi-product of rocking your fitness.
  • yarwell
    yarwell Posts: 10,477 Member
    http://www.calculatorpro.com/calculator/katch-mcardle-bmr-calculator/ uses a formula that will show the benefit of extra muscle mass to daily calorie expenditure.

    80kg (176 lbs) 25% body fat BMR = 1666 cals//day
    80kg 30% body fat BMR = 1580 cals.day

    So increasing or retaining lean tissue can mean you use +100 calories/day 7 days a week.
  • colors_fade
    colors_fade Posts: 464 Member
    Hey everyone all great points. I am doing just that I really just wanted to know the big deal about weight lifting and how it plays a part in what happens after you lift weights vs cardio.

    Weight lifting as the main form of exercise vs Cardio alone

    Weightlifting is about maintaining muscle mass.

    As you put yourself in a caloric deficit (either through eating at a deficit, exercise, or both), your body will start to cannibalize itself for energy. And it will NOT take only the fat - it will take precious muscle with you.

    Weightlifting during a cutting phase is all about maintain the lean muscle mass while you are losing weight. So that instead of losing half fat and half muscle, you lose more of the weight in fat, and lose less muscle.

    So, this is why many people consider weightlifting a critical element of the weight loss strategy.

    My suggestion is always the same:

    1) Eat at a *slight* deficit. Only a couple hundred calories from maintenance. This is easier on your sanity, helps create a good relationship with food, and makes it so you do not feel starved or deprived.

    2) Lift heavy things to maintain the muscle mass you already have. You're going to want those muscles later.

    3) Walk. It's the easiest cardio exercise there is, and will help you create a larger deficit than if you were only eating less. And, of course, all the standard cardio benefits apply...
  • Kalikel
    Kalikel Posts: 9,603 Member
    You lose when you burn more calories than you take in. Weight lifting will help you burn some.

    Cardio is good for your body and does help with weight loss, but it's not necessary to lose.

    :)
  • markiend
    markiend Posts: 461 Member
    Hey everyone all great points. I am doing just that I really just wanted to know the big deal about weight lifting and how it plays a part in what happens after you lift weights vs cardio.

    Weight lifting as the main form of exercise vs Cardio alone

    Weightlifting is about maintaining muscle mass.

    As you put yourself in a caloric deficit (either through eating at a deficit, exercise, or both), your body will start to cannibalize itself for energy. And it will NOT take only the fat - it will take precious muscle with you.

    Weightlifting during a cutting phase is all about maintain the lean muscle mass while you are losing weight. So that instead of losing half fat and half muscle, you lose more of the weight in fat, and lose less muscle.

    So, this is why many people consider weightlifting a critical element of the weight loss strategy.

    My suggestion is always the same:

    1) Eat at a *slight* deficit. Only a couple hundred calories from maintenance. This is easier on your sanity, helps create a good relationship with food, and makes it so you do not feel starved or deprived.

    2) Lift heavy things to maintain the muscle mass you already have. You're going to want those muscles later.

    3) Walk. It's the easiest cardio exercise there is, and will help you create a larger deficit than if you were only eating less. And, of course, all the standard cardio benefits apply...

    yep all good stuff here
  • NancyMarie13
    NancyMarie13 Posts: 193 Member
    YOU ALL ROCK! THIS MAKES SO MUCH SENSE! THANKS (=
  • Liftng4Lis
    Liftng4Lis Posts: 15,151 Member
    Yep, definitely lift weights!
  • cottony
    cottony Posts: 109 Member
    Well it is obviously possible and that's exactly how i lost 50lbs,without any workouts