Is BackJoy effective?
Generally speaking, whether the Back-Benifit (Back Corrector) is effective depends on the severity of the kyphosis (hunchback). For mild cases of kyphosis, the back corrector can usually help correct the posture, while for severe kyphosis, using a back corrector may not be effective.

If the kyphosis is slight and caused by prolonged desk work or studying, the back corrector can serve as an auxiliary tool to help improve posture. By wearing it consistently, the back corrector can remind the user to maintain correct sitting or standing posture, thereby gradually strengthening the back muscles and improving poor posture.
However, if the kyphosis is severe or congenital (postural deformity from birth), the back corrector may not provide significant improvement, and other medical or surgical interventions under a doctor's guidance might be necessary for correction and treatment. Additionally, if poor sitting habits persist in daily life even while wearing the back corrector, the issue of kyphosis may still fail to improve effectively.
If the effect of wearing the back corrector is not obvious, it is recommended to maintain good postural habits in daily activities to consolidate the corrective effect of the back corrector. If the kyphosis is particularly severe, it is advisable to seek professional guidance from a doctor for correction and treatment.