Probably a rare question around here, but how do you think one would reduce the size of a muscle without completely dropping weight workouts? I gain muscle quite easily and come from a bodybuilding type background and diet and want to reduce muscle the muscle mass I have. I know the simple answer would be to stop lifting weights (which I have reduced dramatically) but I enjoy the effects it has on my mood and health benefits in general.
brief answer......less weights, more speed work......(hat tip to Jake the Mus from Once Were Warriors);
take a look at this clip from an excellent film (language & sexism warnings); http://www.youtube.com/watch?v=VZSv4HlyfIo watch it through till 2.00 min for the speed work reference.
(or for a slightly longer clip, if you want to see more http://www.youtube.com/watch?v=RCHe-0w9KX8)
longer answer......look for a sport (or sports person) who's physique you would like to "convert" to, find out how they train & do the same. you'll probably need to eat less as well.
a couple of local (Australian) examples that come to mind would be; Anthony Mundine, who went from Rugby League to Boxing & then dropped weight divisions http://en.wikipedia.org/wiki/Anthony_Mundine & Israel Folau who went from Rugby League to AFL http://en.wikipedia.org/wiki/Israel_Folau
you may be able to google some images for these guys, both went from bulky muscular types to more lean muscular type.
....another thought, are you taking any 'body building' type supps or powders. if so, may be worth giving them up, unless they are good for your general well being. & you'll save some money as well. Creatine in particular seems to be effective in increasing muscle volume (by increasing water in the muscle), so if you currently take Creatine, stop.
Working more on heavy weight with low reps (1-3 reps per set) will give you strong dense muscle. If you diet enough to lose weight while keeping your 1rms the same you should see a smaller body with the same strength. For the love of god don't abandon your hard earned strength.
reduce muscle? reduce protein intake, take thyroid hormones, do excessive cardio training, take synthetic cortisol, make sure not to get enough sleep, eat high GI carbs and let your blood sugar bunk afterwards, start boozing, eat lots of soy
^ lots of valid ways to reduce muscle ;)
If you heavily cut out carbs, your muscle glycogen stores will deplete and you will lose some water as well. This way your muscles might dwindle a little bit.
From an evolutionary stance, I would suggest that extreme muscular mass is not an advantage, since it requieres more energy to sustain and might be hindering for sprints, climbing etc. , so it could possibly happen that a strict low/zero carb paleo diet will shape you into a leaner version - but no necessarily weaker version.
I am a 24 year old female, and I also wish to lose muscle mass. I have competed in bikini competitions and have added a lot of muscle to my small frame with ease. (I enjoy moving heavy weight!) But, when I am not dieted down to be on stage, and am at a normal 18-21% body fat, I feel very large. I want to go back to being petite and feminine. I don't want to run miles on end daily, as I learn more about the detrimental health effects of chronic cardio. Any suggestions on how I can still enjoy being a very active person (and even hit the gym) but still manage to lose some of my mass (fat and muscle both)?
Try long-distance running. Seriously. There's nothing like running -- and lots of it -- for turning you into a wiry beanpole!
(Some people here are reporting they get big legs from it, but that hasn't been my experience.)
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