Comparison of a different type of rubber pad softness on postural sway in healthy young adults
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Abstract
Background: Balance training is an effective rehabilitation technique that improved postural control by challenging the body alignment with regard to the base of support. Foam is usually used as a balance training tool in the clinic. However, foam making by plastic is expensive and accessibility restrictions as well as polluting to the environment. Whereas, rubber is a natural material that has a visco-elastic property and long durability similar to foam pad but it is cheap, easily available, and safe for users.
Objective: To evaluate the effects of rubber pad softness on postural sway in healthy young adults.
Methods: Twenty healthy young adults (3 males and 17 females; averaged age 22.06 ± 0.84 years; BMI 22.08 ± 3.51 kg/m2) participated in this study. They were assessed postural sway by measured
the COP velocity and COP displacement while standing with eyes closed on 5 different types of balance pads including an Airex and rubber pads firmness 1 to 4. The order of surfaces was randomly assigned. COP velocity and COP displacement between conditions were compared using the One-way repeated ANOVA and the Bonferroni post hoc analysis.
Results: COP velocity and COP displacement of Rubber pad firmness 1 and 4 had significant differences from Rubber pad firmness 2, 3 and Foam Airex (p<0.001).
Conclusion: This result found that the firmness of the pad had an effect on postural performance in healthy young adults. Rubber pads firmness 2 and 3 may be used as a low-cost tool for balance assessment and training.
Keywords: Postural sway, Rubber pad, Softness
Article Details
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