OK so ive been bulking for a few months now. gained alot of strength and lots of muscle. I want to lose some of the bodyfat ive put on though and i was wondering if running on a treadmill make you lose so muscle while also reducing bodyfat.
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01-17-2009, 12:50 PM #1
Does running make you lose muscle?
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01-17-2009, 01:05 PM #2
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Gluconeogenesis will occur after long bouts of intense exercise (2 hours +) without any form of glucose intake (e.g energy drink).
Originally Posted by http://themedicalbiochemistrypage.org/gluconeogenesis.html
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01-17-2009, 01:16 PM #3
www.crossfit.com
Have a browse around there mate, a couple of metcon sessions a week might be what you're after.
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01-17-2009, 01:25 PM #4
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01-17-2009, 01:42 PM #5
OP.....Without all the chemistry.
Take a good look at marathon runners. What do you see?
Take a good look at sprinters. What do you see?
Your body will adapt and change to the stress its' put under if given enough time. If you want to build muscle or maintain it and simultaneously reduce body fat levels think more like sprinters and less like marathon runners. In other words do short intense bouts of cardio. IMO no more than 20 minutes at a time 3-4 times a week. Any more than that may eat away at muscle. And your diet must be dialed in. Eat clean.
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01-17-2009, 01:50 PM #6
I've lost bodyfat by doing what I call intervals on the treadmill. Its short and sweet, but a real test of your cardiovascular system.
Start at a slow pace for a couple minutes then gradually increase the pace every minute untill you reach five minutes, then slow the pace way down again. Repeat every five minutes and go for a total of 15 to 20 minutes. When I say increase the pace, I mean get it to a point where you're really busting your ass to keep up with the treadmill the last minute of the interval. Try to get on a treadmill that will incline and you can not only increase the pace, but the effort needed to climb that hill.
Do this 3 or 4 times a week, preferably in the morning and with plenty of rest time before you lift.
SquatTilYouDrop has good advice.
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01-17-2009, 02:14 PM #7
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The answer to the question is, you guessed it, it depends.
Energy substrate utilization and the catabolic nature of exercise in general is closely tied to many things, including the intensity & duration of the exercise, timing, current hormonal state [cortisol for example], substrate availability, conditioning, mitochondrial development, etc...
Aerobic activity relies more on fatty acid oxidation. Anaerobic activity relies heavily upon the glycolysis pathway - meaning the activity is fueled by blood glucose, muscle glyocgen, and liver glycogen. And when these become low from aerobic or anaerobic exercise, there is a tendenacy to mobilize glucose from muscle via gluconeogenesis.
Nevertheless, muscle amino use is typically small under most conditions encountered by "bodybuilders" as the body has an interest in keeping it and using other sources. However, lots of microeffects may give a macroeffect if done repetitively over time as things add up.
Such things as EAA's/BCAA's and carbs can provide an alternative energy source other than yourself, can assist in the fat utilization process, and can attenuate cortisol elevation. So properly fueled HIIT or SS cardio that is not overly protracted can both be done without scavenging your muscle.
Now mind you, you can loss muscle and/or size indirectly from the systemic effect of excess aerobic / endurance exercise as it can favor transformation / characteristic changes of muscle fibers like type II B fibers to type II A fibers, type II A to type I over time and can also have a negative hormonal impact [testosterone, thyroid, cortisol].Last edited by in10city; 01-17-2009 at 02:28 PM.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
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01-17-2009, 02:23 PM #8
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01-17-2009, 02:43 PM #9
haha yes please do
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01-17-2009, 03:54 PM #10
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[QUOTE=
Do this 3 or 4 times a week, preferably in the morning and with plenty of rest time before you lift.
SquatTilYouDrop has good advice.[/QUOTE]
I thought cardio after..?Dammmmit
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01-17-2009, 04:01 PM #11
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Don't go ape**** with the cardio, keep the hard days hard and the easy days easy, keep the sesions of managable length, and fuel it as appropriate if necessary and you have nothing to worry about. Very few things are inherently good or bad. Only when you place them within a frame of reference can you have a meaningful discussion.
Keep in mind that you lose most of your fat between sessions. Exercise for the most part is the catalyst for change.It is the mark of an educated mind to be able to entertain a thought without accepting it.
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01-17-2009, 04:06 PM #12
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It is the mark of an educated mind to be able to entertain a thought without accepting it.
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01-17-2009, 04:39 PM #13
In my opinion, doing cardio right after a hard lifting session is not optimal as your body is hungry for nutrients, especially protein, after 45-60 minutes and delaying it just gives more time for your body to catabolize itself.
I can only tell you what worked best for me, and that was getting up early in the morning and doing the 20 min of cardio, then lifting right after work. I put the cardio on days that I was not recovering from real heavy work like deadlifts and squats. This worked well for me and I only hit on it after trial and error.
However, if you don't have the time or don't want to go to the gym twice some days, certainly doing your cardio AFTER lifting is ok (just not optimal IMO).
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01-17-2009, 05:17 PM #14
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01-17-2009, 05:19 PM #15
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11-05-2013, 05:41 PM #16
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11-11-2013, 07:55 PM #17
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02-21-2017, 11:13 AM #18
Imo excessive cardio with lack of nutrition can deff take away from your gains but a tad bit of cardio while eating right and lifting is good and gonna burn fat. I've read post workout is the best time to go for a jog but i honestly prefer running a few miles on the before lifting just gets my blood flowing and wakes me up. I've gained around 20-30 lbs of muscle in the past year and half since i got back in the gym I run every single day just not excessively like im running cross country or something just a few miles at a time.
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02-21-2017, 11:20 AM #19
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