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Sung Geon Park 1 Article
Utility of H-reflex in the Diagnosis Cervical Radiculopathy.
Jun Lee, Gun Ju Park, Hyun Cheol Doo, Sung Geon Park, Yun Seog Jeong, Jung Sang Hah
Yeungnam Univ J Med. 1997;14(1):111-122.   Published online June 30, 1997
DOI: https://doi.org/10.12701/yujm.1997.14.1.111
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AbstractAbstract PDF
H-reflex is a kind of late respons which can be used for the proximal nerve conduction study. Also it is a useful and widely used nerve conduction technique es to look electrically at the monosynaptic reflex. Although recordable from all muscles theoretically, H-reflexes are most commonly recorded from the calf muscles following stimulation of the tibial nerve in the popliteal fossa. But in this study, We tried to establish the normal data and to evaluate the significance of the H-reflex study in cervical radiculopathy. H-reflexes were recorded from flexor carpi radialis (FCR) muscle, extensor carpi radialis (ECR) muscle, brachioradialis (BR) muscle, and abductor digiti minimi (ADM) muscle in 31 normal adults (62 cases) and 12 patients with cervical radiculopathy. The mean values of H-reflex latency in normal control group were 16.16+/- 1.65 msec in FCR; 15.99+/- 1.25 msec in ECR; 16.47+/- 1.59 msec in BR; 24.46+/- 1.42 msec in ADM. And the mean values of side to side difference of H-reflex latency were 0.47+/- 0.48 msec in FCR; 0.68+/- 0.72 msec in ECR; 0.63+/- 0.43 msec in BR; 22.31+/- 1.24 msec in ADM. Mean values of side to side differences of interlatency time were 0.49+/-0.47 msec in FCR; 0.73+/- 0.62 msec in ECR; 0.79+/- 0.71 msec in BR; 0.69+/- 0.44 msec in ADM. Also, there were no significant differences in H-reflex latency between right and left side. H-reflex tests in patient group with cervical radiculopathy revealed abnormal findings in 11 out of 12 patients. These results suggest that H-reflex in the upper extremity would be helpful in the diagnosis of the cervical radiculopathy.

Citations

Citations to this article as recorded by  
  • Retraining Reflexes: Clinical Translation of Spinal Reflex Operant Conditioning
    Amir Eftekhar, James J. S. Norton, Christine M. McDonough, Jonathan R. Wolpaw
    Neurotherapeutics.2018; 15(3): 669.     CrossRef
  • Abnormal Flexor Carpi Radialis H-Reflex as a Specific Indicator of C7 as Compared With C6 Radiculopathy
    Chaojun Zheng, Yu Zhu, Feizhou Lv, Xiaosheng Ma, Xinlei Xia, Lixun Wang, Xiang Jin, Robert Weber, Jianyuan Jiang, Kevin Anuvat
    Journal of Clinical Neurophysiology.2014; 31(6): 529.     CrossRef
  • Utility of Flexor Carpi Radialis H-Reflex in Diagnosis of Cervical Radiculopathy
    Dariush Eliaspour, Ehsan Sanati, Mohammad Reza Hedayati Moqadam, Seyed Mansoor Rayegani, Mohammad Hasan Bahrami
    Journal of Clinical Neurophysiology.2009; 26(6): 458.     CrossRef

JYMS : Journal of Yeungnam Medical Science