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To analyze the cervical range of motion (CROM) and clinical parameters in patients affected by myogenous temporomandibular disorders (TMD), cervicogenic dizziness (CGD), both TMD and CGD (TMD/CGD), and a group of healthy subjects (HS). CROM degrees, Dizziness Handicap Inventory (DHI), Tampa Scale for Kinesiophobia (TSK-17), Hospital Anxiety and Depression Scale (HADS), and Jaw Functional Limitation Scale 20 (JFLS-20) scores were compared between 46 TMD patients, 49 CGD subjects, 43 TMD/CGD patients, and 98 HS. TMD/CGD and CGD patients demonstrated significantly lower CROM degrees and higher DHI, TSK-17, and HADS values when compared to TMD patients. TMD/CGD and TMD patients demonstrated higher JFLS-20 values when compared to CGD and HS. Significant negative correlations were found in TMD/CGD and TMD patients between JFLS-20 and CROM in flexion and extension. Present findings demonstrated a relation between spine movement impairment and TMD. [ABSTRACT FROM AUTHOR]

To evaluate posturography measurements, and their association with other clinical tests used for cervicogenic dizziness diagnosis, in a cohort of subjects suffering from cervicogenic dizziness, compared with healthy subjects. Ninety-three cervicogenic dizziness patients and 98 age- and gender-matched healthy subjects underwent video-Head impulse test, posturography testing, evaluation of cervical spine movements by means of cervical range of motion goniometer and self-report and performance measures, including Dizziness Handicap Inventory, Neck Disability Index, Neck Pain Intensity, Tampa Scale for Kinesiophobia and Hospital Anxiety and Depression Scale. Cervicogenic dizziness patients demonstrated significant increases in classical posturography parameters (i.e., surface and length) and in power spectra values within middle and high-frequency interval depicting balance control alterations especially due to proprioceptive integration changes. Furthermore, decreases in degrees of cervical range of motion and increases of self-report and performance measures – highlighting significant complaints of subjective feeling of dizziness – were found in these patients when compared with healthy subjects. Multiple correlations were found between posturography testing and cervical range of motion and Dizziness Handicap Inventory as well as between different self-report and performance measures in cervicogenic dizziness patients. The implementation of posturography – including power spectra analysis - coupled with appropriate exclusion of other disorders, may represent a useful tool in improving cervicogenic dizziness assessment in terms of cost, time consumption and correlation with other measurements. Uncertainties in diagnostic assessment of cervicogenic dizziness reflect doubts regarding the causes underpinning the symptoms of imbalance, unsteadiness, and disorientation. Posturography measurement is a low-cost, time-sparing technique and its implementations have proven to be useful in detecting significant alterations in body sway during perturbating situations. Implementation of power spectra analysis on posturography testing may represent a useful tool in improving cervicogenic dizziness assessment also in terms of rehabilitative treatment follow-up. [ABSTRACT FROM AUTHOR]

Since cervical joint position error (JPE) and visual dependency (VD) may reflect altered ascending inputs from the neck receptors, the aim of the present study was to test how these parameters may be impacted by those clinical parameters in cervicogenic dizziness (CGD) patients when compared with healthy subjects participants. 93 subjects participants fulfilling inclusion criteria for CGD and 98 age- and gender-matched healthy subjects volunteers – undergoing cervical relocation and rod and disc test to evaluate JPE and VD, respectively – were compared to each other. Cervical range of motion (CROM), Dizziness Handicap Inventory (DHI), Neck Disability Index (NDI), Neck pain intensity (NPI), Tampa Scale for Kinesiophobia (TSK-17) and Hospital Anxiety and Depression Scale (HADS) were also collected in both groups When compared to healthy participants, CGD patients were found to have a higher degree of JPE in right (p = 0.008, mean difference, MD: 2.88) and left (p = 0.006, MD: 2.55) rotation as well as in extension (p = 0.011, MD: 2.31), flexion (p = 0.009, MD: 2.35) and mean value (p = 0.001, MD: 2.53) and higher degrees of error in CCW at +40° and −40° (p = 0.012, MD: 0.85 and p = 0.016, MD: 0.82, respectively) and CW at +40° and −40° (p = 0.018, MD: 0.83 and p = 0.015 MD: 0.81, respectively). CGD patients also demonstrated a significant reduction in degrees of CROM in active flexion (p = 0.011, MD: −34.63), extension (p = 0.018, MD: −21.67), left (p = 0.012, MD: −28.29) and right (p = 0.009, MD: −28.52) rotation, and left (p = 0.02, MD: −7.29) and right (p = 0.021, MD: −5.05) lateral flexion. Furthermore, these patients demonstrated higher scores in total DHI (p = 0.007, MD: 25.17) (and relative DHI-P, DHI-F, DHI-E; p = 0.009, MD: 11.4; p = 0.014, MD: 8.73 and p = 0.018, MD: 5.03, respectively), in TSK-17 (p = 0.017, MD: 17.56), and HADS, both in anxiety (p = 0.022, MD: 4.62) and depression (p = 0.02, MD: 7.31) subscale. A possible common physiopathological background may impact on processes involved in both the JPE and VD behaviour, entangled in a vicious circle with the impaired subjective clinical and quality of life perception. [ABSTRACT FROM AUTHOR]

The aim of this study was to outline an age-dependent range of posturography measures obtained from healthy children. One hundred and fifty healthy 4-18-year-old children underwent video Head Impulse Test and static posturography testing. Surface, length and power spectra values were compared between each group of pupils and 32 healthy adults. As well as a significant (p < 0.025) increase in surface and length, when compared to healthy adults, increased values within the low/middle frequency domain and within the high frequency domain were also observed in 4-13 and 4-7-year-old children, respectively. In conclusion, although the nature of postural control development remains largely undetermined, this study represents a first attempt to outline an age-dependent normal range of the relative contribution of inputs in typically developing children. [ABSTRACT FROM AUTHOR]