Although many friends are already veterans in fitness, they are not particularly familiar with the properties and functions of muscles in various parts of the human body. Although this already involves some medical knowledge, if you understand these properly, it will be of great help to fitness. For example, when it comes to the quadratus lumborum muscle, many people can only react that it must be a muscle in the waist, but it is not very clear what the erector spinae muscle is. Let's take a look at the difference between the two.
Difference 1: Different locations
The first obvious difference between the quadratus lumborum muscle and the erector spinae muscle is that the two are distributed in different locations. The quadratus lumborum muscle is distributed in the waist. If you don’t know where it is, you can try it with your hands on your hips and generally feel it. The muscle in question is the quadratus lumborum. Of course, its shape is also square, but the erector spinae is a long muscle close to the spine. It can extend from the bottom of the spine to the back of the neck. It is also thin in shape. And long.
Difference 2: Different traits
When many people see this, they may question what traits are. The traits here mean that their functions may be different, because the quadratus lumborum muscle is mainly distributed in the waist. Only when the waist moves, will it move more When you use it, when problems arise, it is usually caused by strain, which is also known as lumbar muscle strain. However, because the erector spinae muscle is very long and thin, it mainly regulates the activity of the back muscles. If there is a problem with the back, When using it, massaging it is very effective.
Difference 3: Different degrees of vulnerability
Because most people always use their waist when they are active. Even if they are stationary and sitting there, the psoas muscle will bear pressure, so the quadratus lumborum muscle will be more fragile, and the erector spinae muscle, because it is thin and long, has a larger stress-bearing area. It is also relatively large, and the possibility of problems will be much less. Low back pain must be caused by problems with the quadratus lumborum muscle. Problems with the erector spinae muscles will generally lead to back stiffness.
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