Amr A Abdel-Aziem, Dalia Mosaad, Elsadat S Soliman, Nouran A Ibrahim
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The Impact of Forward Head Posture on Neck and Ankle Joint Position Sense: A Cross-Sectional Study.
Background: Forward head posture (FHP) decreases the neck position sense and creates tension in the neck muscles, which inversely affects the mechanics of the distal joints through body myofascia. Thus, this study investigated the effects of FHP on neck and ankle joint position sense, and conducted a comparison between the joint position sense of the right and left ankle.
Methods: Fifty-seven subjects were assigned according to the craniovertebral angle (CVA) into the FHP group (CVA <49°; n = 27) or the control group (CVA >49°; n = 30). Head and ankle joint repositioning accuracy was measured by using a cervical range-of-motion device and an isokinetic dynamometer, respectively.
Results: There was a significant increase in the joint position error (JPE) of the cervical flexion, extension, and right and left side bending motions of the FHP group compared to the control group (P < .05). There were significant increases in the JPE of the right and left ankle dorsiflexion and plantarflexion of the FHP group compared to the healthy group (P < .05). Moreover, the JPE of the right ankle dorsiflexion and plantarflexion of the FHP group were significantly higher than the left ankle (P < .05).
Conclusions: The FHP decreases the position sense of cervical flexion, extension, and right and left side bending motions, and the plantarflexion and dorsiflexion of both ankle joints, especially the right ankle joint.
期刊介绍:
The Journal of the American Podiatric Medical Association, the official journal of the Association, is the oldest and most frequently cited peer-reviewed journal in the profession of foot and ankle medicine. Founded in 1907 and appearing 6 times per year, it publishes research studies, case reports, literature reviews, special communications, clinical correspondence, letters to the editor, book reviews, and various other types of submissions. The Journal is included in major indexing and abstracting services for biomedical literature.