It’s better to put weekly/monthly tension and overload on a region on a muscle…
if you just do different movements exercises that work on the bicep, but unintentionally towards the “the short head” of the bicep that gives you the peak… and people aren’t aware and continue to do so… and 6-8months in the longrun when they relax their longhead their arm looks like crap… and the neglect the long head of the bicep. more tension should be targeted in all regional areas of a muscle group… like abs… there is multiple regions so you can get that washboard abs…[/quote]
You’re making it sound like you can relax your long head independently of your short head, which cannot happen. True, an exercise can target a portion of a muscle greater than the other, but…
If you don’t have much muscle mass, thats just focusing on the wrong things.
The “emphasis” on the target portion is probably negligible, meaning that though one head can be stressed more than the other, its probably not a huge difference.
I think a good example for this is Prof X. He has a forum in the T Cell called Quad Overhang or something like that. In it he asks others the best way to develop the Vastus Medialis portion of his quads. Because he has tons of mass on him, thats a reasonable question and he has enough mass on him to make it noticeable when there is a muscular imbalance or when one has to be brought up. But do you think he did an exercise for each head of his quads when he began lifting? I don’t think so.
You or I, or most others here for that matter have no business trying to hit one portion of a muscle over another.
While your right you cant directly relax certain parts of your body such as the bicep longhead, when doing isolation excercises form can cause muscle imbalances that force you to focus on certain parts on a muscle more so then others.
From a bodybuilding standpoint say your constantly doing widegrip ez bar curls, your inner bicep will look great and a double bicep pose will also look great. But when you do a reverse double bicep, side chest, or most muscular your bicep will probably be lacking.
Which its why its important for someone to know when there asking themselves at the gym “why am i growning here and not here” it would be like not knowing the difference between incline to a flat bench press.
Even a beginner or someone whos just working out to look better can benefit from this because it will teach more discipline and a better mind muscle connection. For instance when your doing skull crushers i really try and picture my long head contracting which allows me to get a better feel for what does and what does not work.
If Im doing another excercise with poor form lets say that also works the tricep long head, and I cant get a good pump or feeling of contraction, I know I should either try to have someone watch my form, lower the weight, or maybe drop the excercise until my supporting muscles can help me benefit from it better.
So while you may not benefit from it, because not everyone does, the OP will benefit from it even if hes not going to use it because he atleast has the knowledge to be a smarter bodybuilder.