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WalkOn Reaction Lateral

Item #: 28U34

Anterior shell and a lateral strut

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Suggested HCPCS Coding: L1932 Custom Fit (for Medicare use L2999 for OTS)
If Applicable: L2270 (T strap)

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The WalkOn Reaction Lateral is lightweight, low profile, and extremely tough. Like other members of the WalkOn Family, the Reaction Lateral is fabricated from a prepreg advanced carbon composite. It is especially designed for active patients with weak dorsiflexion or paralysis.

  • Passive, flexible limitation of plantar flexion ensures dynamic foot positioning
  • Carbon fiber construction creates a stable, lightweight orthosis and provides high energy return
  • Limits plantar flexion and supination when worn with a stable shoe
  • Lightweight design and slim anatomical shape increase compliance and allows for a dynamic gait at higher speeds
  • Lateral strut avoids conflicts with contra-lateral side and to better suit ankle supination or flat foot


  • Moderate to severe drop foot with knee instability, mild to moderate spasticity, e.g. after stroke, peroneal palsy, traumatic brain injury, in multiple sclerosis, neuromuscular atrophy, etc.


Article Number Side US Men's Shoe Size US Women's Shoe Size Height
28U34=L36-39 Left (L) 5-6 6-8.5 13.8" (35 cm)
28U34=R36-39 Right (R) 5-6 6-8.5 13.8" (35 cm)
28U34=L39-42 Left (L) 6-9 8.5-10 14.2" (36 cm)
28U34=R39-42 Right (R) 6-9 8.5-10 14.2" (36 cm)
28U34=L42-45 Left (L) 9-12 10-13 14.8" (37.5 cm)
28U34=R42-45 Right (R) 9-12 10-13 14.8" (37.5 cm)
28U34=L45-48 Left (L) 12-15 15.4" (39 cm)
28U34=R45-48 Right (R) 12-15 15.4" (39 cm)


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28U24, 28U25, & 28U34 WalkOns - Instructions for Use

Instructions for Use

PDF Document | Published: Aug 24, 2022

PDAC Letter: WalkOn Reaction Lateral


PDF Document | Published: Aug 10, 2022

WalkOn Information for Users

Product Information

PDF Document | Published: Mar 1, 2017

Stroke Indication Matrix

Product Information

PDF Document | Published: May 1, 2014

The WalkOn Range Information for physicians, orthotists and physiotherapists

Dynamic Lower Leg Orthoses

Product Information

PDF Document | Published: Aug 1, 2014

The WalkOn Range Information for Practitioners

Dynamic Lower Leg Orthoses

Product Information

PDF Document | Published: Jul 1, 2014

Foot Size Conversion Table

Product Information

PDF Document | Published: Dec 1, 2016

Stroke Solutions

Product Information

PDF Document | Published: Aug 20, 2022