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Trunk proprioception adaptations to creep deformation

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Abstract

Purpose

This study aimed at identifying the short-term effect of creep deformation on the trunk repositioning sense.

Methods

Twenty healthy participants performed two different trunk-repositioning tasks (20° and 30° trunk extension) before and after a prolonged static full trunk flexion of 20 min in order to induce spinal tissue creep. Trunk repositioning error variables, trunk movement time and erector spinae muscle activity were computed and compared between the pre- and post-creep conditions.

Results

During the pre-creep condition, significant increases in trunk repositioning errors, as well as trunk movement time, were observed in 30° trunk extension in comparison to 20°. During the post-creep condition, trunk repositioning errors variables were significantly increased only when performing a 20° trunk extension. Erector spinae muscle activity increased in the post-creep condition, while it remained unchanged between trunk repositioning tasks.

Conclusions

Trunk repositioning sense seems to be altered in the presence of creep deformation, especially in a small range of motion. Reduction of proprioception acuity may increase the risk of spinal instability, which is closely related to the risk of low back pain or injury.

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Abbreviations

AE:

Absolute error

ANOVA:

Analysis of variance

CE:

Constant error

EMG:

Electromyography

MT:

Movement time

MVC:

Maximal voluntary contraction

RMS:

Root mean square

ROM:

Range of motion

VE:

Variable error

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Authors and Affiliations

Authors

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Correspondence to Jacques Abboud.

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Conflict of interest

The authors declare that they have no conflicts of interest.

Additional information

Communicated by Bénédicte Schepens.

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Cite this article

Abboud, J., Rousseau, B. & Descarreaux, M. Trunk proprioception adaptations to creep deformation. Eur J Appl Physiol 118, 133–142 (2018). https://doi.org/10.1007/s00421-017-3754-2

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  • DOI: https://doi.org/10.1007/s00421-017-3754-2

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