Effect of Biomechanical Feedback Device Utilizing Tilt and Tension Sensors on Young Adults Balance Control Ability, Proprioception and Craniovertebral Angle (CVA)

Abstract

Introduction: Due to the continuous development of technology, smartphones have become an essential part of our daily lives. These devices offer us convenient access to information and communication, but they also contribute to poor posture, characterized by bending the neck and shoulders forward. This poor posture can lead to reduced physical activity and muscle imbalances, ultimately resulting in kyphosis of the back.

Objectives: The purpose of this study is to investigate the effect of a biofeedback device using a tilt sensor and a tension sensor on balance control ability, proprioception, and craniovertebral angle(CVA) in young adults.

Methods: The 10 subjects participated 3 times. Before the start of the experiment, the height, sitting height, weight, CVA, balance control ability, proprioception of the subjects were measured. The tilt sensor, tension sensor, and tilt + tension sensor interventions were conducted for 30 minutes each. Experiments were conducted at intervals of one day.

Results: As a result of measuring balance control ability according to tilt, tension, and tilt + tension, there was no significant improvement in all three groups. Repositioning errors were significantly improved after intervention in the tension group and the tilt + tension group in extension cervical joint position error(JPE)(p<0.05). In right rotation, only the tension group showed significant improvement (p<0.05). The CVA improved significantly in all three groups after intervention (p<0.05).

Conclusions: In conclusion, both biofeedback devices prevent thoracic kyphosis, positively affecting the CVA. Among them, biofeedback using tension can have a positive effect on the proprioception of the neck.