Methods: Thirteen patients (24.5 ± 4.8 years) and 14 asymptomatic participants (23.9 ± 2.7 years) were included. The head reposition test was recorded by a 3-dimensional motion analysis system. The thickness of the OCI was recorded by ultrasonography. The measured outcomes were compared between the painful and nonpainful sides and with the asymptomatic participants.
Results: The thickness of the OCI in the rest condition on the painful side (9.92 ± 2.31 mm) was smaller than that of the nonpainful side (10.56 ± 2.24 mm). The constant error of the head-to-target test toward the nonpainful side was smaller in the patients with CeH (-1.6 ± 4.3°) than in the asymptomatic group (3.3 ± 3.7°, P = 0.005).
Conclusion: Asymmetric OCI and cervical proprioception were demonstrated in patients with CeH.
Author keywords: Kinesthesis, Neck Pain, Ultrasonography, Neck Muscles
Author affiliations: YYC, HMC, SFW: School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei, Taiwan; YYC: Center of Physical Therapy, National Taiwan University Hospital, Taipei, Taiwan; HMC: Department of Rehabilitation, DaChien Hospital, Miaoli, Taiwan; CLW: Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei, Taiwan; YWS: Institute of Applied Mechanics, College of Engineering, National Taiwan University, Taipei, Taiwan;
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