• Journal of Electrodiagnosis and Neuromuscular Diseases
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• v.20 no.2
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• pp.124-129
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• 2018

Neuralgic amyotrophy (NA) is an idiopathic disease characterized by muscular atrophy accompanied by neuralgia, where acute pain in the limb, mostly including the shoulders, leads to muscle weakeness and atrophy in the limb days to weeks after the onset of pain. Although its exact pathogenesis is unknown, genetic and nongenetic factors, such as infection, surgery, and trauma are suspected contributors. We report this case as we diagnosed NA of the right lower limb via enhanced MRI as well as EMG and have followed up the patient's prognosis and radiologic changes for one and a half years. In addition, the patient had been diagnosed with neuropsychiatric disorders, such as major depressive disorder and somatic symptom disorder.

• Journal of the Korean Society of Physical Medicine
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• v.16 no.1
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• pp.1-7
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• 2021

PURPOSE: The purpose of this study is to conduct inter-rater and intra-rater reliability tests in patients with low back pain (LBP) using the prone instability test (PIT) and side-lying instability test (SIT). We have analyzed the Korean version Oswestry disability index (K-ODI) correlations and radiograph finding (RF) for validity. METHODS: Individuals (n = 51) (mean age of 40.27 ± 13.28) with LBP for at least over a week were recruited, together with two participating physical therapist examiners. The measurement consisted of PIT, PST, K-ODI, and RF. Sensitivity (Sn), specificity (Sp), positive predictive value, negative predictive value, prevalence index, agreement %, Cohen's kappa, and prevalence-adjusted bias-adjusted kappa (PABAK) were calculated. The PIT and SIT were compared with RF for validity analysis, while PIT, SIT, K-ODI, and RF were calculated for the correlation analysis. RESULTS: The intra-rater reliability test measured for the PIT (kappa = .79, PABAK = .88) and SIT (kappa = .73, PABAK = .84), and inter-rater reliability test measured for the SIT (kappa = .80, PABAK = .88) showed good agreements. The PIT (Sn = .65, Sp = .63) and SIT validities (Sn = .68, Sp = .70) were compared with RF, showing a significant correlation in PIT and RF (r = .69), SIT and RF (r = .73), and PIT and K-ODI (r = .53). CONCLUSION: The SIT is a more comfortable position test than the PIT in patients. Both PIT and SIT have acceptable reliability and validity.