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Is forward head posture relevant to autonomic nervous system function and cervical sensorimotor control? Cross
Ibrahim M Moustafa1, Ahmed Youssef2, Amal Ahbouch3
1Department of Physiotherapy, College of Health Sciences, University of Sharjah, United Arab Emirates; Basic Science Department, Faculty of Physical Therapy, Cairo University, Giza, Egypt.
Gait & Posture
|January 20, 2020
Summary
Forward head posture (FHP) is linked to impaired sensorimotor control and autonomic nervous system dysfunction. This study highlights significant differences in neck stability and responses compared to normal head alignment.
Area of Science:
- Biomechanics
- Neuroscience
- Physiology
Background:
- Growing interest in cervical spine sagittal configuration as a clinical outcome.
- Limited research on sensorimotor control and autonomic nervous system function in individuals with forward head posture (FHP).
Purpose of the Study:
- To evaluate sensorimotor control and autonomic nervous system function in participants with FHP compared to matched controls.
- To determine the relationship between FHP, sensorimotor control, and autonomic nervous system function.
Main Methods:
- Compared 80 participants with FHP (Craniovertebral angle < 50°) to 80 matched controls (Craniovertebral angle > 50°).
- Assessed sensorimotor variables: smooth pursuit neck torsion test (SPNT), Overall Stability Index (OSI), and rotation repositioning accuracy.
- Measured autonomic nervous system function: skin sympathetic response (SSR) amplitude and latency.
Main Results:
- Significant differences found in SPNT, OSI, and repositioning accuracy between FHP and control groups (P < 0.001).
- Significant difference in SSR amplitude (P = .005), but not SSR latency (P = .7).
- Craniovertebral angle significantly correlated with all measured variables (P < 0.001).
Conclusions:
- Individuals with FHP demonstrate abnormal sensorimotor control.
- FHP is associated with autonomic nervous system dysfunction.
