Do Mental Fatigue Disrupt Balance in a Healthy Person?

Year 2024, Volume: 11 Issue: 3, 690 - 701

Emine Nur Demircan , Ece Ruşen , Nezire Köse

https://doi.org/10.21020/husbfd.1406920

Abstract

Objectives: This study was conducted to determine whether mental fatigue was the cause of the balance disorder experienced by a healthy person who did not experience any balance disorder in daily life during work life.
Materials and Methods: healthy female client who applied to our department due to balance disorder did not have any balance disorder in her daily life, but she had balance problems during very busy working days, and there were no negative results in all her medical examinations. After the history, the lower extremity muscle strength and endurance, proprioception, cognitive status and balance were evaluated. Mental Fatigue (MF) was created in the person with Verbal Memory Processes Test and Animal Fluency Test, all evaluations were repeated. The same procedures were repeated a day later, with balance tests performed along with an additional task. Thus, balance tests were made a little more difficult and the effect of the dual task on balance activity and cognitive status was examined.
Results: At the end of the study, the balance of the person was adversely affected with MF, the balance was further deteriorated in the balance activity performed with an additional task, cognitive function decreased after this activity. It was determined that the balance of standing on the weaker extremity was even more impaired.
Conclusion: At the end of the study; Although there is no medical problem that may cause balance problems in people, it was concluded that MF and dual-task activities may have a negative effect on balance, and lower extremity muscle strength, endurance and proprioception may increase the negative effects on dynamic balance in addition to MF.

Keywords

Mental fatigue, postural balance, dual task

Sağlıklı Bir Kişide Mental Yorgunluk Dengeyi Bozar Mı?

Abstract

Amaç: Günlük yaşamda hiçbir denge bozukluğu yaşamayan sağlıklı bir kişinin iş yaşantısı sırasında yaşadığı denge bozukluğunun nedeninin mental yorgunluk olup olmadığını belirlemek amacıyla bu çalışma yapıldı.
Gereç-Yöntem: Denge bozukluğu nedeniyle bölümümüze başvuran 24 yaşındaki sağlıklı kadın danışanın, günlük yaşamda hiçbir denge bozukluğu olmadığı, ancak çok yoğun olan iş günleri sırasında denge problemi yaşadığı, yapılan tüm tıbbi incelemelerinde hiçbir olumsuz sonuç bulunmadığı öğrenildi. Alınan hikâyeden sonra ilk olarak bireye alt ekstremite kas kuvveti ve enduransı, propriosepsiyon, bilişsel durum ve denge değerlendirmeleri yapıldı. Daha sonra Sözel Bellek Süreçleri Testi ve Hayvan-KAS Testi ile kişide Mental Yorgunluk (MY) oluşturuldu, arkasından tüm değerlendirmeler tekrar edildi. Bir gün sonra da aynı işlemler, denge testleri ek bir görev ile yaptırılarak tekrar edildi. Böylece denge testleri hem biraz daha zorlaştırılmış hem de ikili görevin denge aktivitesi ile bilişsel durum üzerindeki etkisi de incelenmiş oldu.
Bulgular: Çalışma sonunda MY ile kişinin statik ve dinamik dengesinin olumsuz yönde etkilendiği, ek bir görev ile yapılan denge aktivitesinde dengenin daha da bozulduğu, ilave olarak bu aktivite sonrasında bilişsel işlevin de azaldığı, ayrıca MY sonrası, bireyin kas kuvveti, endurans ve propriyosepsiyon yönünden daha zayıf olan ekstremitesi üzerinde durma dengesinin daha da bozuk olduğu belirlendi.
Sonuç: Çalışma sonunda; kişilerde tıbbi açıdan denge problemi oluşturabilecek bir problem olmasa da MY’nin ve ikili görev aktivitelerinin denge üzerinde olumsuz etki oluşturabileceği, alt ekstremite kas kuvveti, enduransı ve propriyosepsiyonun da MY’e ek olarak dinamik denge üzerinde olumsuz etkiyi artırabileceği sonucuna ulaşıldı. Bundan yola çıkarak sağlıklı yetişkinlerde denge gerektiren günlük yaşam aktiviteleri ve egzersiz programları planlanırken MY, bilişsel durum, kas kuvveti, endurans ve propriyosepsiyon duyusunun göz önünde bulundurulması gerektiği kararına varıldı.

Keywords

mental yorgunluk, postural denge, ikili görev

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