And if the rhomboids they were has been found to be weak, as strengthening them (training them to produce a higher level of strength) would ensure that they stretch their shoulders further back into the posture of daily life, which is a task that has much more to do with muscular endurance and the option of keeping the body in that position muscular strength anyways?
If strengthening does not shorten our muscles and if postural patterns do not tell us how strong the muscles are in the first place, is the common belief that strengthening can change posture plausible?
POSTURE IS CONTROLLED BY THE NERVOUS SYSTEM
Luckily for us, scientific research has explored these exact questions. A systematic review (Hrysomallis 2001) took an in-depth look at post-exercise realignment studies and reported the following:
“A literature review found a lack of reliable and valid data collected in controlled environments to support the claim that exercise will correct existing postural deviations. There is also a lack of objective data indicating that exercise will lead to postural deviations. Exercise programs are likely to be of insufficient duration and frequency to induce adaptive changes in tendon muscle length, and any adaptation to restricted range of motion exercise would likely be offset by daily life that often requires body segments to go through full ranges of motion. “
This same author conducted a systematic follow-up review in 2010 with similar findings.
Once we understand that Stretching and strengthening exercises do not change posture (and this static posture doesn’t tell us if specific muscles are flexible, tense, strong, or weak to begin with), we may begin to let go of the idea that the usual posture patterns we see are the result of stretching tense muscles. on the long, weak bones and muscles that allow these bones to be stretched.
These simplified posture ideas will make us believe that our muscles are like inanimate pieces of clay. that you just need to stretch a little more here (stretch) and push a little shorter there (strengthen) in order to restore your whole body to an ideal of “balance”. But the posture is much more complex than that!
Our nervous system it is what sets the resting tone of our muscles and therefore creates our posture. In fact, our muscles are completely subordinate to the nervous system; the muscles do not contract and relax on their own.
So, Yes We are interested in changing our posture, rather than using specific stretching and strengthening formulas that target the muscles, probably a better idea would be to use strategies that communicate with the nervous system. An example might be setting a timer on the clock. When the timer goes off, check how you hold your body during the day and make any adjustments you find useful. The idea is that if you do this regularly enough over time, you could eventually restore the default postural pattern of your nervous system to your body.
#Jenni #Rawlings #Yoga #movement
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