Effects of a new unstable sandal construction on measures of postural control and muscle activity in women

BACKGROUND: It is well established that unstable shoe constructions with rounded soles have the potential to induce acute and long-term effects on muscle activity during standing and walking. However, it is unresolved whether functional footwear with regularly shaped soles may have similar effects.

OBJECTIVE: Thus, the objective of this study was to compare measures of postural control and muscle activity during quiet standing and locomotion for women using a new sandal construction with an unstable element integrated into the sole of the shoe (Biodyn sandal), a conventional stable control sandal, and a barefoot condition.

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