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.
journal_name
Eur J Appl Physioljournal_title
European journal of applied physiologyauthors
Abboud J,Rousseau B,Descarreaux Mdoi
10.1007/s00421-017-3754-2subject
Has Abstractpub_date
2018-01-01 00:00:00pages
133-142issue
1eissn
1439-6319issn
1439-6327pii
10.1007/s00421-017-3754-2journal_volume
118pub_type
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