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      Variation of body weight supported treadmill training parameters during a single session can modulate muscle activity patterns in post?stroke...

      JC23Q3
      On-demand
      $10
      218224091493

      Webinar Description

      Variation of body weight supported treadmill training parameters during a single session can modulate muscle activity patterns in post‐stroke gait Srivastava S, Seamon BA, Patten C, Kautz SA. Variation of body weight supported treadmill training parameters during a single session can modulate muscle activity patterns in post-stroke gait. Exp Brain Res. 2023 Feb;241(2):615-627. doi: 10.1007/s00221-023-06551-7. Epub 2023 Jan 13. PMID: 36639543; PMCID: PMC9895011. Abstract Evidence supporting the benefits of locomotor training (LT) to improve walking ability following stroke are inconclusive and could likely be improved with a better understanding of the effects of individual parameters i.e., body weight support (BWS), speed, and therapist assistance and their interactions with walking ability and specific impairments. We evaluated changes in muscle activity of thirty-seven individuals with chronic stroke (> 6 months), in response to a single session of LT at their self-selected or fastest-comfortable speed (FS) with three levels of BWS (0%, 15%, and 30%), and at FS with 30% BWS and seven different combinations of therapist assistance at the paretic foot, non-paretic foot, and trunk. Altered Muscle Activation Pattern (AMAP), a previously developed tool in our lab was used to evaluate the effects of LT parameter variation on eight lower-extremity muscle patterns in individuals with stroke. Repeated-measures mixed-model ANOVA was used to determine the effects of speed, BWS, and their interaction on AMAP scores. The Wilcoxon-signed rank test was used to determine the effects of therapist-assisted conditions on AMAP scores. Increased BWS mostly improved lower-extremity muscle activity patterns, but increased speed resulted in worse plantar flexor activity. Abnormal early plantar flexor activity during stance decreased with assistance at trunk and both feet, exaggerated plantar flexor activity during late swing decreased with assistance to the non-paretic foot or trunk, and diminished gluteus medius activity during stance increased with assistance to paretic foot and/or trunk. Therefore, different sets of training parameters have different immediate effects on activation patterns of each muscle and gait subphases Keywords: Body weight support treadmill training; Electromyography; Individualized training; Locomotor training; Muscle activation patterns; Stroke

      CEU Information

      Journal Club CEU Approval

      Contact Hours: 1

      AR | FL CE26-803266 | ID

      Webinar Information

      Contact Hours: 1

      Price: $10

      Instructor: Nechama Karman

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