Is it a combination of both amount of muscle and low body fat? Because I have a low amount of body fat. But, when my arms are straight they don't look muscular at all unless my arms are up in a boxing stance or I flex. Is it because I don't have enough muscle? What exactly cause muscle definition.
Another thing is why do a lot of basket ball players have crazy muscle definition compared to every other sport. Such as boxing, football, etc.
Another thing is why do a lot of basket ball players have crazy muscle definition compared to every other sport. Such as boxing, football, etc.
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