Our expert says:
I guess that all you can do is weight training for this 'underdeveloped' area. I'm not entirely sure what you mean by 'one side' whether it is right/left. A really good website that you can go to to find out more about weight training is the following:
It contains good advice, explanations and assistance with the different types of exercises for different body parts, and even programmes for different types of people. Well worth a look
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