Related products and services for back massagers
A back massager works alongside the spine, not on it. The bony row in the middle of the back has no muscle cushioning to absorb the pressure. Instead, it works on the two muscle groups to the left and right of this row, about two to three finger widths away from the center.
What lies in the middle
The palpable bumps along the middle of the back are the spinous processes of the vertebrae. They protrude backwards and in most people lie only beneath skin and a thin layer of connective tissue. The vertebral canal, containing the spinal cord, runs beneath them.
Direct, repeated pressure on this area is undesirable for two reasons. It hurts because there's no cushioning there. And it's ineffective because the tension isn't in the bone itself, but in the surrounding muscles.
Where the work actually takes place
The erector spinae, a long muscle group running from the pelvis to the neck, runs to the left and right of the spinous processes. It keeps the upper body upright and is in a constant, slightly tense state during office work. The massage heads are positioned precisely at this point.
Therefore, good devices have an adjustable distance between the nodes. A narrow back requires a closer stance than a wide one. If the distance is fixed and doesn't fit, the heads will run over the spinous processes instead of alongside them.
How to recognize a wrong attitude
- A sharp, localized pain in the middle instead of a dull pressure to the side of it.
- A clicking or rattling sound, when the massage heads jump over the row of bones.
- Pressure sores the next day, which lie exactly in a line.
If one of these occurs, the distance is adjusted or the seating position is changed. A rolled-up towel under the lower back is often enough to shift the track.
Related products and services for back massagers
The lower back needs more attention.
In the lumbar region, the spine curves forward. A straight massage stroke hits the highest points of this curve particularly hard, while the muscles in the hollow remain untouched. Those who want to target the lower back are better served by a more contoured design.
The article lists which devices are compatible. Massage device for the lower backAdjustable models for the entire back are available at back massagers.
When the device fails to turn on
Different rules apply to known spinal abnormalities than to simple muscle tension. Osteoporosis, pronounced scoliosis, spondylolisthesis, or post-surgical conditions on the spine must be medically assessed before any device is used.
The same applies to pain radiating into the arms or legs, numbness, and weakness. These are indications of nerve involvement, and these should be investigated rather than massaged. A device reduces muscle tension; it does not replace a diagnosis.
What a towel can do
The simplest way to correct the alignment is with a rolled-up towel. Placed between the machine and the back, it raises the contact surface and relieves pressure on the spinous processes. For narrow backs, this is often the most effective measure of all.
Two towels, placed lengthwise on either side of the spine, have an even more targeted effect: they leave the center free and direct the pressure onto the muscle groups. This costs nothing and compensates for the lack of adjustable knot width on many basic devices.
In the case of a herniated disc
If a herniated disc is present, different rules apply, beginning with a medical assessment. What is possible after that and how to recognize when treatment should be discontinued is explained in the article. Back massager for herniated discs.
Related products and services for back massagers
By the NAIPO editorial team Massage and product experts from Hamburg
Product experts, service technicians and massage enthusiasts from Alsterwell GmbH — specializing in massage technology for over a decade, with its own workshop and showrooms for test sitting.
Reviewed by David Eberst, co-founder of NAIPO
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