When we try to be completely still, we either have a little twitch or our head sways and we just can’t keep still, even if we put our minds to it?
In: Biology
Even when you are breathing your body is moving. Your chest/stomach is expanding so your body is swaying at least a little from that.
I have no education or knowledge pertaining to human anatomy but my guess is…
Lots of muscles / muscle groups to try and keep still???
This has to do with muscle tone (not the thing you do with weights). Muscle tone refers to the continuous contractions of muscles. Basically your muscles are never completely at rest. They are always active and contracting to some degree. This helps to maintain posture and to regulate other bodily functions.
This is involuntary, so we can’t stop these “micro-contractions” from happening.
You’re not perfectly balanced. From a mechanical standpoint, you’re basically always falling over and correcting that.
You have a lot of stabilizer muscles whose job is exactly what it sounds like. To dampen and stabilize your movements whether they are voluntary movements like reaching out for something or subconscious ones like keeping yourself balanced.
For instance, when you walk, you’re essentially letting yourself fall forwards with every step and then you catch yourself at the bottom of your step. When you’re standing still, it’s no different. Your body is constantly toppling over in one direction or the other but you are dynamically stable, you make tiny corrections constantly to stay upright.
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