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Effects of the site and extent of plantar cutaneous stimulation on dynamic balance and muscle activity while walking.

Collings, R and Paton, J and Chockalingam, Nachiappan and Gorst, T and Marsden, J (2015) Effects of the site and extent of plantar cutaneous stimulation on dynamic balance and muscle activity while walking. Foot (Edinburgh, Scotland), 25 (3). pp. 159-63. ISSN 1532-2963

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Abstract or description

BACKGROUND

Previous studies have demonstrated that stimulating the cutaneous plantar sensory receptors of the foot through textured insoles improves human balance and walking. This study investigated the effect of medial and lateral zoned textured insoles using tibialis anterior/peroneus longus surface electromyographic activity and Centre-of-Pressure as indicators of postural stability while walking.

METHODS

15 asymptomatic subjects were tested using a within-subject randomised repeated measures design. The effect of lateral and medial zoned insoles of varying heights (control, 2, 4 and 6mm) on stability while walking under normal and impaired visual conditions was assessed.

RESULTS

Impaired vision resulted in an increase in foot CoP variability while walking (p<0.05). The laterally zoned insole was associated with a significant (repeated measures ANOVA p<0.05) increase in the rate of medial-lateral CoP change.

CONCLUSION

These findings suggest that the site of stimulation of the plantar foot cutaneous receptors may increase postural instability during walking. This should be considered in the design of insoles that aim to improve balance and reduce falls risk. The importance of vision in balance control has been highlighted and using impaired vision may serve as a way of trialling clinical products in the healthy population.

Item Type: Article
Faculty: Previous Faculty of Health Sciences > Psychology, Sport and Exercise
Depositing User: Nachiappan CHOCKALINGAM
Date Deposited: 20 Sep 2016 10:51
Last Modified: 20 Sep 2016 10:51
URI: http://eprints.staffs.ac.uk/id/eprint/2430

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