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Aspen Horizon LSO Lateral Support, Pain Relief


Aspen Horizon™ 637 LSO provides excellent lateral support and pain relief in individuals experiencing secondary back pain due to a surgery or an injury.

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Watch this overview of the Aspen Horizon LSO.

The Aspen Horizon line of inelastic braces offers a clinically tested treatment option for patients experiencing muscle fatigue and spasms, which can cause pain. Combining support and targeted compression, Horizon braces provide a non-invasive, non-narcotic option that is designed to help patients regain activities of daily living.

A Better & Safer Way To Manage Your Pain

Device Features

  • electrotherapy

    One Size Adjustable

    Pull-through sizing mechanism allows for quick and easy adjustment, without the use of tools.

  • Safe

    Independent Tightening Mechanism

    Aspen’s patented 4:1 mechanically advantaged SlickTrack TM System features an independent upper and lower tightening mechanism, providing direct compression where needed to support tight muscles.

  • technology

    Custom Support

    When tightening, the firm but flexible back panel naturally conforms to the patient’s lordosis to provide added structural support.

  • support

    Easy Access for Modification

    All structural components are easily removed and can be heat molded, bent or trimmed to accommodate individual patient conditions.

How to Get Your Aspen Horizon LSO

Please note: We take all insurances.


Fax your prescription to 866-791-2026 . If you are with a doctor’s office or physical therapy clinic, please include a cover sheet with the clinic/practice name with your fax.


Zynex will take care of the rest! We will call to review insurance information, ship the device to your doorstep, and provide instructions to use it.

If you have already sent in your RX, or received a voicemail from our team to complete the order online, please click here to ship your device.

Indications for use:

  • Post-operative support/pain relief
  • Chronic low back pain
  • Deconditioned trunk musculature
  • A bulging or herniated disc
  • Degenerative disc disease