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One of my arms is 'bigger' than the other


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Don't laugh I know its worse in my head but.......

As I'm working out more it's more noticeable to me at least, I have no noticeable definition on one arm (my left is just undefined fat Frown) where as I have quite a bit on my right. Will my weight lifting sort this out?

I do 8 reps of the heaviest i can manage after warm up for each muscle group and try to do them slow and steady, other than chest press and bicep curl my left side isn't noticeably weaker, should I do more reps with my left?

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Just do the heaviest you can with the weak arm, and then use that weight for the strong arm as well.  Your weak arm will catch up eventuallly. 

Just about everyone has a stronger arm and leg.  And interestingly they are usually opposite each other. 

I thought it was just me because I bowled for so many years.  Picking up and rolling a 14 lb. ball with the right arm, and balancing on the left leg.... but apparently it's somewhat true for everyone. 

Yeah, one of my biceps is bigger than the other, one of my thighs is bigger than the other.. people just aren't symmetrical. If it really bothers you, you could indeed do more reps with the less defined arm, but really you are probably the only person who notices :] So don't worry about it!

My left arm is stronger, but I can see muscle definition better on my right. It's weird.

Doesn't help you, but you aren't alone.

Good to know I'm not alone!

It only started bothering me after I went kayaking with my boyfrind; we were in a tandum and he got a bit stressed after I kept pulling us off to the right I found it really hard to compensate for some reason.

I guess just being aware of it will mean I do things to even it out; more reps on my left and making sure I don't lift heavier with my right than I can with my left is what I'm thinking. (combining karozel's and hayley's advice)

lol im exactly the same! now that i started weight lifting iv noticed my right arm looks slimmer than my left but luckily it seems lik im the only one who sees it...im sure it'll even out eventually :) x

Original Post by karozel:

Just do the heaviest you can with the weak arm, and then use that weight for the strong arm as well.  Your weak arm will catch up eventuallly. 

Just about everyone has a stronger arm and leg.  And interestingly they are usually opposite each other. 

I thought it was just me because I bowled for so many years.  Picking up and rolling a 14 lb. ball with the right arm, and balancing on the left leg.... but apparently it's somewhat true for everyone. 

Don't. Do. That.

Look I might be a first time poster but I just joined this site in order to maintain and keep up with my physical health and to give/recieve motivation from others to keep going.

As a teenage guy who works out alot I must warn you against straining your biceps, triceps, deltoids, and anterior deltoids by over lifting. Given from what I've seen and experienced you are attempting to do semi sets which won't help you that much at all...

I would suggest if you're very asthetically concious of your arm you should start doing light intensity ascending super sets from a good 15-min warm up. Doing the heaviest weights you can after a mediocre warm up isn't only dumb but its downright dangerous and you shouldn't do that. What I am meaning to say is do a good 5-min stretch, then a real light 15-min warm up and finally do ascending sets/reps of weights in increments of 2.5/5 lbs. in the best form possible until failure.

Personally though I wouldn't worry about it at all but... Your left arm will catch up if you continue to focus on it using <25 lbs. dumbbells using simple/complex curls along with swings. Basically devote a sound 15-min of dumbbell curls using <25 lbs. with your best form until failure in 15 rep sets of 3 moving from light weights to 25 lbs. in as low of increments as possible.

Remember! Always work your muscles slowly and they will repay you in the long run. Form + Posture > Heavy Weight

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