Effect of Forward Head Posture on Vocal FatigueJournal: International Journal of Science and Research (IJSR) (Vol.6, No. 2)
Publication Date: 2017-02-05
Authors : Himanshu Mathur; Sohrab Ahmad Khan;
Page : 1442-1444
Keywords : Forward head posture; vocal fatigue; craniovertebral angle;
Introduction Forward head posture is a common problem among regular computer users. With the increased rate of development various health hazards have been associated alongwith. Vocal fatigue on the other hand is self-perceived increased phonatory effort resulting from references to vocal loading or prolonged voice use resulting in disturbance of function. Method A correlational study was performed on 50 individuals having a history of regular computer usage atleast from last 3 years and more than 5 hours a day. UTHSCSA image tool software version 3.0 was used to measure craniovertebral angle. Scale method was used to evaluate vocal effort. Subjects were allowed to speak a vowel i. e /a/ at a sustained pitch and loudness for 10 seconds. The experience of the subject was recorded using a self rating 100mm visual analogue scale. Results Pearsons correlation revealed a significant positive correlation (pless than0.005) between forward head posture and self perceived phonatory effort. Conclusion Based on the findings, it can be concluded that forward head posture has a deteriorative effect on phonatory effort.
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