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. 2017 Summer;23(3):256-262.
doi: 10.1310/sci16-00016. Epub 2017 May 4.

Influence of Reciprocating Link When Using an Isocentric Reciprocating Gait Orthosis (IRGO) on Walking in Patients with Spinal Cord Injury: A Pilot Study

Mokhtar Arazpour  1 , Milad Gholami  1 , Mahmood Bahramizadeh  1 , Guive Sharifi  2 , Monireh Ahmadi Bani  1
Affiliations

Influence of Reciprocating Link When Using an Isocentric Reciprocating Gait Orthosis (IRGO) on Walking in Patients with Spinal Cord Injury: A Pilot Study

Mokhtar Arazpour et al. Top Spinal Cord Inj Rehabil. 2017 Summer.

Abstract

Background: Studies collectively imply that the reciprocal link has no effect on walking when using reciprocating gait orthoses (RGOs). There may be differences between the 2 configurations of the RGO (eg, isocentric reciprocating gait orthosis [IRGO] and IRGO without reciprocating link), but the specific benefits and problems encountered in their use must be understood. Purpose: To highlight more evidence for the mechanical function of the reciprocal link in RGOs used for walking by individuals with spinal cord injury (SCI). Methods: Nine people with SCI participated in this study. Gait analysis was performed in 2 conditions (walking with IRGO and walking with IRGO without reciprocating link) in a random order. The Vicon digital capture system was used to obtain kinematic data. Results: There were significant differences between each orthotic configuration in terms of speed of walking (p = .029), step length (p = .048), hip joint range of motion (ROM) (p ≤ .001), and lateral and vertical compensatory motions (p ≤ .001). There was no significant difference between each orthotic configuration in cadence (p = .162). Conclusion: The reciprocating link in IRGO improved the walking parameters in SCI patients.

Keywords: isocentric reciprocating gait orthosis; orthotic gait training; reciprocal link; spinal cord injury; walking.

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Figures

Figure 1.
Figure 1.
Isocentric reciprocating gait orthosis overall view used in this study.
Figure 2.
Figure 2.
Visual inspection of Q-Q plots of speed of walking.
See this image and copyright information in PMC

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