PURPOSE: This study investigated the effects of deep cervical flexor training on maintaining forward head posture, muscular endurance, and cervical mobility. It also examined the effectiveness of deep cervical flexor training with a pressure biofeedback unit. SUBJECTS AND METHODS: Twenty college students were recruited and randomly assigned to groups that underwent either deep cervical flexor training with a pressure biofeedback unit (experimental group, n = 10) or conventional deep cervical flexor training (control group, n = 10). The craniovertebral angle of each subject was measured with a lateral-view picture. Neck mobility was assessed using a cervical range of motion device and muscular endurance was measured using a pressure biofeedback unit. Both groups performed conventional deep cervical flexor exercises three times a week for six weeks. The experimental group underwent a pressure biofeedback unit training was 5 to10 minutes/day, thrice a week. RESULTS: Cervical range of motion in the experimental group increased significantly between the end of training and the end of the four week detraining period, compared to that in control group. CONCLUSION: Deep cervical flexor training with a pressure biofeedback unit is a useful method for maintaining neck mobility and muscular endurance in people with forward head posture.

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