Abstract
Category: Sports; Ankle Introduction/Purpose: Even after a considerable period following the modified Broström procedure, it is not uncommon for individuals to fail to fully regain their pre-injury sports activity capabilities. Return to sports activity can be influenced by various factors beyond the patient's determination (hope for sports activity), including residual pain or swelling, inadequate mechanical stability, deficits in postural control abilities or proprioception, among others. This study aimed to investigate the factors influencing the return to sports activity after anatomical ligament repair for chronic ankle instability. Methods: We conducted a study involving 62 patients under the age of 35 who underwent the modified Broström procedure for chronic ankle instability and were followed up for over 3 years. Among them, 51 patients (82.3%) were able to return to their pre-injury level of sports activity (return group), while 11 patients (17.7%) experienced some or significant limitations (non-return group). Clinical outcomes were evaluated using the Foot and Ankle Outcome Score (FAOS) and the Foot and Ankle Ability Measure (FAAM). Mechanical stability was assessed through physical examination and stress radiography. peroneal strength was evaluated using Biodex isokinetic dynamometer to measure peak torque and total work during eversion movement. Postural control abilities were analyzed using the static and dynamic stability assessment modes of Biodex posturography. Results: There was a significant difference between the two groups in FAOS pain (94.7 points in return group vs 85.1 points in non-return group, p=0.004) and sports (91.2 points vs 78.8 points, p<.001) subscales. In FAAM assessment, there was a significant difference in the sports activity (90.5 points vs 77.4 points, p<.001). Recurrence of mechanical instability was confirmed in 2 patients (3.9%) in the return group and 4 patients (36.4%) in the non-return group. There were no significant differences between the groups in evertor peak torque and total work. Regarding posturography assessment, static postural control ability(overall stability index) did not show significant differences between the groups, but significant differences were observed in dynamic postural control ability (1.4 vs 2.3, p=0.002). Conclusion: It has been analyzed that residual pain, recurrence of mechanical instability, and inadequate recovery of dynamic postural control ability affect the return to pre-injury level of sports activity after the modified Broström procedure for chronic ankle instability. It is deemed necessary to develop effective treatment strategies considering these factors during the rehabilitation process aimed at returning to sports activity after surgery.
Published Version
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