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Randomized Controlled Trial
. 2018 Aug;97(8):585-592.
doi: 10.1097/PHM.0000000000000927.

Facilitating Weight Shifting During Treadmill Training Improves Walking Function in Humans With Spinal Cord Injury: A Randomized Controlled Pilot Study

Ming Wu  1 , Janis Kim, Feng Wei
Affiliations
Randomized Controlled Trial

Facilitating Weight Shifting During Treadmill Training Improves Walking Function in Humans With Spinal Cord Injury: A Randomized Controlled Pilot Study

Ming Wu et al. Am J Phys Med Rehabil. 2018 Aug.

Abstract

Objective: The aim of the study was to determine whether the integration of dynamic weight shifting into treadmill training would improve the efficacy of treadmill training in humans with spinal cord injury.

Design: Sixteen humans with spinal cord injury were randomly assigned to receive robotic or treadmill-only training and underwent 6 wks of training. A force was applied to the pelvis for facilitating weight shifting and to the legs for assisting with leg swing for participants in the robotic group. No assistance force was applied for participants in the treadmill-only group. Outcome measures consisted of overground walking speed, 6-min walking distance, and other clinical measures and were assessed before, after 6 wks of training, and 8 wks after the end of training.

Results: A greater improvement in 6-min walking distance was observed after robotic training than that after treadmill-only training (P = 0.03), but there was not a significant difference between the two groups in improvements in walking speed. However, a greater improvement was observed for the participants who underwent robotic training than those who underwent treadmill-only training (i.e., 15% vs. 2%).

Conclusions: Applying a pelvis assistance force for facilitating weight shifting during treadmill training may improve locomotor function in humans with spinal cord injury.

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Figures

Figure 1
Figure 1
Participants screened, enrolled, and tested.
Figure 2
Figure 2
The setup of the 3D cable-driven robotic system.
Figure 3
Figure 3
Six minute walking distance, A, and overground walking speed pre, post 6 weeks of robotic treadmill training, B, and treadmill only training, C, and 8 weeks after the end of training. Data shown were averaged across participants from each group. * indicates significant difference, p < 0.05.
Figure 3
Figure 3
Six minute walking distance, A, and overground walking speed pre, post 6 weeks of robotic treadmill training, B, and treadmill only training, C, and 8 weeks after the end of training. Data shown were averaged across participants from each group. * indicates significant difference, p < 0.05.
Figure 3
Figure 3
Six minute walking distance, A, and overground walking speed pre, post 6 weeks of robotic treadmill training, B, and treadmill only training, C, and 8 weeks after the end of training. Data shown were averaged across participants from each group. * indicates significant difference, p < 0.05.
Figure 4
Figure 4
Changes in 6-minute walking, A, self-selected overground walking speed, B, fast walking speed, C, pre and post 6 weeks of robotic treadmill training or treadmill only training, and 8 weeks after the end of training. Data were averaged across participants in each group. * indicates significant difference, p < 0.05.
Figure 4
Figure 4
Changes in 6-minute walking, A, self-selected overground walking speed, B, fast walking speed, C, pre and post 6 weeks of robotic treadmill training or treadmill only training, and 8 weeks after the end of training. Data were averaged across participants in each group. * indicates significant difference, p < 0.05.
Figure 4
Figure 4
Changes in 6-minute walking, A, self-selected overground walking speed, B, fast walking speed, C, pre and post 6 weeks of robotic treadmill training or treadmill only training, and 8 weeks after the end of training. Data were averaged across participants in each group. * indicates significant difference, p < 0.05.
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References

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