Japan Society for the Promotion of Science:Grants-in-Aid for Scientific Research
Date (from‐to) : 2014/08 -2016/03
Author : Futatsubashi Genki
This research project was conducted with the aim of revealing the time course of the changes the suppressive middle latency cutaneous reflexes (MLRs) in the peroneus longus (PL) after an ankle sprain in relation to the number of sprain recurrences for preventing the recurrent ankle sprain in young athletes. Furthermore, we also investigated the risk factors of the recurrent ankle sprain in the cohort study. First, we found that the gain of the PL MLR, occurring after the first ankle sprain, was related to the functional recovery of the ankle joint. Second, the modulation patterns of MLR gain were strongly affected by the history of individual ankle sprains, i.e., the number of previous ankle sprains. Thus, the present study first shows the manner of time-varying changes in the reflex excitability after an ankle sprain, and how these changes are critical in the development of functional ankle instability or CAI.