Relation of Trunk Muscles Strength and Endurance to Severity of Forward Head Posturein Young Adults: An Observational Study

Abstract

Background and Objective: Forward head posture is the common habitual poor posture seen in young adults.
This study correlates Trunk muscles strength and endurance with severity of forward head posture in young
adults.
Methods: A total of 70 individuals with Forward Head Posture and Craniovertebral Angle (CVA) less than 480
were enrolled in the study. The Trunk Muscle Strength was assessed using Hand Held Dynamometer. The Trunk
flexor, extensor, side flexors and lower back extensors endurance was assessed using endurance tests. The trunk
muscle strength and endurance were then correlated with severity of forward head posture.
Results: There was no correlation found between the trunk flexor strength and severity of FHP. But there was
statistically significant correlation between the trunk extensor strength and severity of FHP. Also, no correlation
was found between the trunk muscles endurance and severity of FHP.
Conclusions: Trunk Extensor muscles strength decreases with the decrease in CVA.