Robotic Resistance/Assistance Training Improves Locomotor Function in Individuals Poststroke: A Randomized Controlled Study

Authors

Ming Wu, Rehabilitation Institute of Chicago
Jill M. Landry, Rehabilitation Institute of Chicago
Janis Kim, Rehabilitation Institute of ChicagoFollow
Brian D. Schmit, Marquette UniversityFollow
Sheng-Che Yen, Rehabilitation Institute of ChicagoFollow
Jillian MacDonald, Rehabilitation Institute of ChicagoFollow

Document Type

Article

Language

eng

Format of Original

8 p.

Publication Date

5-2014

Publisher

Elsevier

Source Publication

Archives of Physical Medicine and Rehabilitation

Source ISSN

0003-9993

Original Item ID

doi: 10.1016/j.apmr.2013.12.021; PubMed Central: PMCID 4076161

Abstract

Objective

To determine whether providing a controlled resistance versus assistance to the paretic leg at the ankle during treadmill training will improve walking function in individuals poststroke.

Design

Repeated assessment of the same patients with parallel design and randomized controlled study between 2 groups.

Setting

Research units of rehabilitation hospitals.

Participants

Patients (N=30) with chronic stroke.

Intervention

Subjects were stratified based on self-selected walking speed and were randomly assigned to the resistance or assistance training group. For the resistance group, a controlled resistance load was applied to the paretic leg at the ankle to resist leg swing during treadmill walking. For the assistance group, a load that assists swing was applied.

Main Outcome Measures

Primary outcome measures were walking speed and 6-minute walking distance. Secondary measures included clinical assessments of balance, muscle tone, and quality of life. Outcome measures were evaluated before and after 6 weeks of training and at 8 weeks' follow-up, and compared within group and between the 2 groups.

Results

After 6 weeks of robotic training, walking speed significantly increased for both groups, with no significant differences in walking speed gains observed between the 2 groups. In addition, 6-minute walking distance and balance significantly improved for the assistance group but not for the resistance group.

Conclusions

Applying a controlled resistance or an assistance load to the paretic leg during treadmill training may induce improvements in walking speed in individuals poststroke. Resistance training was not superior to assistance training in improving locomotor function in individuals poststroke.

Comments

Accepted version. Archives of Physical Medicine and Rehabilitation, Vol. 95, No. 5 (May 2014): 799-806. DOI. © 2014 Elsevier. Used with permission.

Recommended Citation

Wu, Ming; Landry, Jill M.; Kim, Janis; Schmit, Brian D.; Yen, Sheng-Che; and MacDonald, Jillian, "Robotic Resistance/Assistance Training Improves Locomotor Function in Individuals Poststroke: A Randomized Controlled Study" (2014). Biomedical Engineering Faculty Research and Publications. 270.
https://epublications.marquette.edu/bioengin_fac/270