This study examined the effects of the craniovertebral angle, proprioception (joint error test), and the upper trapezius on the muscle tone when comparing cervical stabilization and scapula stabilization exercises and when two exercises were performed together. METHODS:The participants in this study agreed in advance, and this study was carried out by recruiting 27 university students in their twenties with mild frontal posture.The subjects were assigned randomly to three groups that performed cervical stabilization exercises, scapular stabilization exercises, and both cervical and scapular stabilization exercises. One-way repeated ANOVA was used to analyze the evaluation values of the 1 st , 3 rd , and 6 th weeks of exercise intervention within the group, and one-way ANOVA was used to compare the difference in the effects of exercise †Corresponding Author : Seong-Gil Kim