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Originally Posted by ENTROPY
The primary function of the core musculature involves flexion, extension, lateral flexion, and rotation. The relevant muscles involved are the rectus abdominis, obliques, transversus abdominis, erector spinae, serratus / intercoastals.
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I remember reading that a large portion of the abdominal muscles (all four obliques, both abs, etc.) are transverse in nature. I forget where I read it, but I looked at a muscle-manequin and couldn't see what the author was talking about. I beleive he meant to say that most muscles in that region were meant for rotation. is this accurate? would training rotational movements be of greater benefit to core conditioning than flexion? I know the correct answer is both, but work with me here...
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The external obliques, internal obliques, and transversus abdominis are three supporting layers of flat muscles that play a substantial role in torso stabilization However, these muscles are typically neglected in abdominal training. Research suggests that strengthening the deepest transversus abdominis muscle, along with the obliques, and even the pelvic wall, should be the primary focus for developing core stability.
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sounds kinda like you're agreeing with my author from above, assuming those layers of flat muscles are transverse.
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Even though I don’t perform the movement personally, the following might be of interest to those of you who place a value in EMG research. In a study funded by the American Council on Exercise, Dr. Peter Francis, Ph.D and Jennifer Davis, performed EMG research suggesting that the bicycle crunch registers the highest percentage of motor unit activation in the rectus abdominis and the obliques compared to any other movement.
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trouble is, I have yet to find a way of effectively loading this crunch. Interesting info though.
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Absolutely bro. I just wish I had more time on my hands to enter a proper dialogue with you that isn’t rushed given my lack of time.
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Even your rushed dialogues are extremely appreciated. This is a fine contribution to the conversation. Sadly, much more in depth and I might be lost. I know your extremely busy, so I appreciate any amount of your time you can devote.