| Get a trainer or physio to look at his routine and see what he is doing that causes the imbalance. A lot of young men tend to work their chest harder than their back, because it's easier to see your chest muscles. Biceps often get worked harder than triceps, even though it's a much smaller muscle.
But it's impossible to tell long distance what the problem is. He needs someone to look at him lifting and see what he is doing. |