What is an SL Track in massage chairs?
When choosing a massage chair, you will often encounter the term SL track. This refers to the rail system along which the massage heads move. The length and shape of this rail determine which part of the body is actually massaged.
An SL track in massage chairs is currently one of the most used and complete rail systems in modern massage chairs.
Explanation of the SL track
The name SL track is made up of two parts:
- S-track: follows the natural S-shape of the human spine
- L-track: extends this rail beyond the lower back
This combination creates a continuous rail that not only follows the back but also extends further down.
How far does an SL track extend?
An SL track extends:
- from the neck and shoulders
- along the entire back
- past the lower back
- to the buttocks
- and in some models even a few centimeters into the thighs
It is important to know that an SL track does not stop at the hips.
The massage heads actually move underneath the buttocks, actively including this area in the massage.
Difference from an S-track
In massage chairs with a standard S-track:
- the rail only follows the spine
- the massage stops at the height of the lower back
An SL track goes beyond that and provides a longer massage movement towards the seat. This difference lies solely in the length and shape of the rail, not in the massage programs themselves.
| Rail system | End point of the massage |
|---|---|
| S-track | Bottom of lower back |
| SL track | Buttocks (sometimes thighs) |
How is an SL track specified in massage chairs?
In massage chairs with a true SL track, you often see descriptions such as:
- massage from neck to buttocks
- SL-shaped rail to below the seat
- a rail or track length of approximately 130 to 135 cm
Summary
An SL track in massage chairs is a rail system that:
- follows the natural shape of the back
- extends beyond the lower back
- reaches the buttocks
- and in some models even includes the thighs
This means an SL track offers a greater massage range than a standard S-track.
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