The main differences between fixed track, S-track, and SL-track massage chairs lie in the design of the roller tracks and the areas of the body they target during a massage:

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Fixed Track Massage Chairs:​

• The rollers in a fixed track chair usually move up and down and side to side within a fixed track, targeting specific points and areas along the predetermined path.

• These chairs may have limited flexibility in adjusting to individual body shapes and preferences compared to chairs with dynamic tracks.

• Fixed track massage chairs have a stationary massage track that follows a predetermined path and does not move during the massage.

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S-Track Massage Chairs:

• S-track massage chairs have a roller track that follows the natural curvature of the spine, resembling the shape of the letter "S."

• The rollers move up and down along this S-shaped track, focusing primarily on the back, neck, and lower back.

• This design allows for a more targeted and precise massage, providing relief to the key areas of the spine and neck where tension and stress commonly accumulate.

 

SL-Track (Extended S-Track) Massage Chairs:

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• SL-track massage chairs combine the S-shaped track with an extension, typically reaching from the neck and down to the lower back and sometimes extending to the glutes and hamstrings.

• The extended track provides a more comprehensive massage experience, covering a larger portion of the spine and targeting additional muscle groups in the buttocks and thighs.

• SL-track chairs offer a longer and more continuous massage, offering relief to a broader range of areas, making them popular for those seeking a full-body massage experience.

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In summary, fixed track massage chairs have a stationary massage path, S-track chairs follow the natural curve of the spine, primarily focusing on the back, neck, and lower back, while SL-track chairs extend the S-shaped track to cover a larger portion of the body, including the glutes and hamstrings for a more comprehensive massage experience. The choice depends on the individual's preference for targeted or extended massage coverage.