Effects of Balance Exercises With Wobble Board and Corrective Exercises With Thera bands on Static and Dynamic Balance of Male Students With Genu Valgum

Document Type : Original article

Authors

1 Department of Sports Injury and Biomechanics, Faculty of Sport Sciences and Health, University of Tehran, Tehran, Iran.

2 Assistant Professor, Department of Sports Injury and Biomechanics, Faculty of Sport Sciences and Health, University of Tehran, Iran

3 Department of Sports Injury and Corrective Exercises, Faculty of Sport Sciences and Health, University of Tehran, Tehran, Iran.

10.32598/SJRM.14.6.3373

Abstract

Background and Aims Balance is an integral aspect of daily movement and a fundamental component of human motor function, often compromised in individuals with skeletal abnormalities. This study aimed to investigate the effects of six weeks of balance training using a balance board and Thera-band exercises on static and dynamic balance in male students aged 9–12 years with genu valgum. 
Methods Thirty male students (mean age: 10.34±1.1 years; height: 137.83±6.41 cm; weight: 36.57±5.17 kg; BMI: 19.14±1.35 kg/m²) with no history of lower limb injuries were randomly assigned to three groups (n=10 each): Balance board training, Thera-band exercises, and control. Static and dynamic balance were assessed pre- and post-intervention using the stork balance stand test and star excursion balance test, respectively. The deformity was diagnosed using inter-malleolar (IM) and inter-condylar (IC) distances, with IM>3 cm indicating genu valgum. The intervention lasted six weeks, with three 60-minute sessions per week. Data were analyzed using descriptive statistics, repeated measures ANOVA, ANCOVA, and Bonferroni post hoc tests at α≤0.05. 
Results Post-intervention, both the balance board and Thera-band groups demonstrated significant improvements in static balance compared to controls (P<0.05). Moreover, the balance board group showed significantly greater gains in static balance than the Thera-band group (P<0.05). For dynamic balance, both intervention groups exhibited significant increases in reach distances across all eight directions relative to controls (P<0.05), with no significant difference observed between the two exercise groups (P>0.05).
Conclusion Both balance board training and Thera-band exercises effectively enhance static and dynamic balance in male children with genu valgum. These modalities are recommended as practical interventions to improve balance in this population.

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The Scientific Journal of Rehabilitation Medicine
Volume 14, Issue 6
January and February 2026
Pages 884-899

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History

  • Receive Date: 25 May 2025
  • Revise Date: 08 June 2025
  • Accept Date: 19 August 2025
  • First Publish Date: 19 August 2025

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