title: How long can joint position sense be retained in memory by young healthy subjects?
abstract: [Purpose] The aim of the present study was to investigate how long joint position sense (JPS) can be retained in memory. [Subjects] Eleven healthy subjects (5 men and 6 women) were enrolled in this study. [Methods] Subjects memorized a specific joint position visually, and then they were asked to reproduce without visual aid the position at 3 different time intervals: immediately, 5 minutes post-memorization, and 30 minutes post-memorization. [Results] Differences in JPS between time intervals of immediate and 30 minutes post-memorization were statistically significant with the exception of knee flexion at 60° with a 5 kg load. Differences in reproduced JPS between time intervals of immediately and 5 minutes post-memorization were not statistically significant. [Conclusions] The results suggest that JPS can be retained in memory for approximately 5 minutes.
authors.affiliation: Institute of Sports Medicine, Taishan Medical University, China.
authors.forename: Di
authors.initials: D
authors.lastname: Xie
authors.affiliation: Department of Sports Rehabilitation, Graduate School of Health Sciences, Hiroshima University, Japan.
authors.forename: Yukio
authors.initials: Y
authors.lastname: Urabe
keywords: Joint position sense; Memory; Retain