Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Incobotulinumtoxin A and Yoga-Like Isometric Exercise in Adolescent Idiopathic Lumbar Scoliosis – a Randomized Pilot Study

Version 1 : Received: 13 September 2023 / Approved: 14 September 2023 / Online: 15 September 2023 (05:19:28 CEST)

A peer-reviewed article of this Preprint also exists.

Fishman, L. Incobotulinumtoxin A and Yoga-like Isometric Exercise in Adolescent Idiopathic Lumbar Scoliosis—A Randomized Pilot Study. Muscles 2024, 3, 28-39. https://doi.org/10.3390/muscles3010004 Fishman, L. Incobotulinumtoxin A and Yoga-like Isometric Exercise in Adolescent Idiopathic Lumbar Scoliosis—A Randomized Pilot Study. Muscles 2024, 3, 28-39. https://doi.org/10.3390/muscles3010004

Abstract

Incobotulinumtoxin A and Yoga-like Isometric Exercise in Adolescent Idiopathic Lumbar Scoliosis – a randomized pilot study Abstract: Background: Approximately 90% of scoliosis is adolescent idiopathic (AIS). From its first appearance at 10-14 until age 18 it is most vulnerable to deterioration; young people are most susceptible to the condition worsening. An effective non-surgical means of remediation would be welcome. Design: Randomized control two-arm study, assessing the safety and efficacy of combining incobotulinum injections with yoga to reverse lumbar and thoracolumbar AIS. Methods: In a private clinic setting, non-pregnant healthy 12 – 18 year-olds were either taught a symmetrical “placebo” yoga pose (control sub-group 1), given the side plank (Vasisthasana) done thrice daily with placebo injection (control sub-group 2) or given the thrice-daily side-plank with botulinum injection (Intervention group 3). Injection: 33 IU of incobotulinum toxin type A (Xeomin) injected into concave-side lumbar paraspinals and quadratus lumborum at L2-3 and the psoas muscle at L3-4, or injected similarly with placebo. Randomization by Random.com. Objective: Assess whether muscular asymmetry treated with botulinum toxin injection and the side-plank are safe and effective in AIS.Results: Outcome: Twelve intervention and 12 placebo patients (Groups 1 + 2), 12 -18 years old completed the three-month study period. Mean daily side-plank time = 165 seconds. Mean initial lumbar curvature was 36.9 degrees (SD 14.36), (p<0.0001); mean curvature at 3 weeks was 29.5 degrees. (SD 14.23) (p<0.0001); mean curvature at 3 months was 26.0 degrees (SD 12.81) Onset vs 3-month value: p<0.0001. Two patients in Group 3 complained of shoulder pain, and 2 of wrist pain that resolved when the side-plank was done on the elbow. Conclusion: Muscle asymmetry appears relevant to AIS treatment. Incobotulinum injections combined with the side-plank done with the convex side downward may be safe and helpful in adolescent idiopathic lumbar scoliosis.

Keywords

scoliosis; botulinum; yoga

Subject

Medicine and Pharmacology, Orthopedics and Sports Medicine

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