What Role Do Skinny Genetics Play In Bodybuilding?

The question of whether genetics plays a role in bodybuilding success has been debated for years. In order to answer this question you need to define exactly what you mean by bodybuilding success? If by bodybuilding success you refer to increasing muscle mass to the point where you are bigger and have a much better physique then what you had before, then I can tell you that anybody can accomplish that.


If you have poor bodybuilding genetics it means it will take longer to see the results. A hardgainer will never get the same physique as someone with perfect bodybuilding genetics, at least not naturally. This isn’t to say hardgainers can not gain muscle mass. They just need to work harder in order to see results.

Your genetic make-up affects things like personality (introverted/extroverted), appearance, intelligence, and you guessed it, your ability to gain weight and muscle. Bodybuilding is an ego driven sport so people are not going to want to admit that they can’t look like Arnold if they weight 140 lbs. They will convince themselves if they just try a little bit harder on their diet or routine they will eventually be the biggest in their gym. It’s simply all fantasy unless you use steroids, and even then it’s probably still a dream.

If a person with hardgainer genetics lifts weights they will get more muscular, but will never look as good as someone with great genetics if they do the exact same diet and workout. People with these inferior genes won’t look as ripped or as muscular if they do exactly the same thing as someone with better genetics.

Even steroids are not a magical drug. They give you a boost and get you through plateaus, but watch what happens when you get off them after a year or two, you drastically shrink again. And you don’t want to be relying on them indefinitely for heart, liver, and sexual health reasons.

So what genetic factors affect your ability to gain muscle?

Muscle fiber type and density are influenced by genetics. The more gifted larger bodybuilders often have more muscle fibers and more of them fast twitch (anaerobic) on average. Myostatin is another factor which plays a role in muscle growth. When Myostatin was manipulated in mice they grew muscle at unbelievable rates. Testosterone levels play a huge role also. People with large testosterone levels should have a easier time building muscle and keeping lean.

So if you have been following a strict diet for a few months and a solid heavy weight lifting routine with compound exercises and you still don’t look that great, just accept that the gains will be slower. You may have to accept you’ll never reach your ideal goal in your mind. However, you will look a heck of a lot better than if you did nothing! And that is all that matters in the end.

by David on February 25, 2009 · 3 comments

tagged as , in Muscle Building


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{ 3 comments… read them below or add one }

Bill February 25, 2009 at 1:49 pm

What you say is all true. Hence, the label, “hardgainer!” BUT, anyone can gain more muscle, lose fat, get ripped, and look better than they do now.

Take guys like Frank Zane. He was genetically inferior to Arnold, but Zane beat Arnold. In fact, it is my opinion that Zane had the ultimate physique. And, in his mid-sixties, he looks FAR SUPERIOR to Arnold now.

For the hardgainer, the muscle gains come slower, generally come later in life, but they last. And that’s an important thing to remember.

Tim February 26, 2009 at 8:33 pm

Skinny guys should focus on eating at least 5-7x a day with balanced meals from carbohydrates, proteins and fats. If your goal is to build muscle than you should be eating at least 15-18 x your current body weight. Your carbohydrates should equate about 45% of your intake, your proteins should equate about 35% of your intake and your fat should be the remaining 20% of your intake. You should focus on over half of those meals being solid whole food meals and the remainder can be liquid meal replacement shakes.

Andrew March 1, 2009 at 10:50 pm

eating 15 to 18 times ur current body weight is impossible.

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