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EMG: continuous motor unit activity at rest

MedGen UID:
867780
•Concept ID:
C4022170
•
Finding
HPO: HP:0100283

Definition

Continuous electromyographic activity of motor units at rest, i.e., without voluntary movement of the muscles. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVEMG: continuous motor unit activity at rest

Recent clinical studies

Etiology

Symptomatic palatal myoclonus with ear click after tick-borne meningoencephalitis.
Pogorzelski R, Drozdowski W, Rogowski M
Eur Arch Otorhinolaryngol 2006 Aug;263(8):711-3. Epub 2006 May 16 doi: 10.1007/s00405-006-0053-7. PMID: 16703386
Exhausting fatigue influences F-wave and peripheral conduction velocity, following lumbar radiculopathy.
Tsur A, Glass I, Solzi P
Disabil Rehabil 2002 Sep 10;24(13):647-53. doi: 10.1080/09638280210125805. PMID: 12296980
Identification of the cerebral loci processing human swallowing with H2(15)O PET activation.
Hamdy S, Rothwell JC, Brooks DJ, Bailey D, Aziz Q, Thompson DG
J Neurophysiol 1999 Apr;81(4):1917-26. doi: 10.1152/jn.1999.81.4.1917. PMID: 10200226
Spinal rigidity following acute myelitis.
Brown P, Quinn NP, Barnes D, Wren DR, Marsden CD
Mov Disord 1997 Nov;12(6):1056-9. doi: 10.1002/mds.870120635. PMID: 9399237
The stiff leg syndrome.
Brown P, Rothwell JC, Marsden CD
J Neurol Neurosurg Psychiatry 1997 Jan;62(1):31-7. doi: 10.1136/jnnp.62.1.31. PMID: 9010397Free PMC Article

Diagnosis

Stiff person syndrome in South Asia.
Chang T, Lang B, Vincent A
BMC Res Notes 2016 Oct 18;9(1):468. doi: 10.1186/s13104-016-2276-z. PMID: 27756410Free PMC Article
Identifying fasciculation potentials in motor neuron disease: A matter of probability.
Sleutjes BT, Gligorijević I, Montfoort I, van Doorn PA, Visser GH, Blok JH
Muscle Nerve 2016 Feb;53(2):227-33. Epub 2015 Oct 10 doi: 10.1002/mus.24712. PMID: 26012503
Focal stiff-person syndrome.
Fiol M, Cammarota A, Rivero A, Pardal A, Nogués M, Correale J
Neurologia 2001 Feb;16(2):89-91. PMID: 11257937
Isaacs syndrome.
Brown TJ
Arch Phys Med Rehabil 1984 Jan;65(1):27-9. PMID: 6691794
Myokymia and impaired muscular relaxation with continuous motor unit activity.
Lublin FD, Tsairis P, Streletz LJ, Chambers RA, Riker WF, Van Poznak A, Duckett SW
J Neurol Neurosurg Psychiatry 1979 Jun;42(6):557-62. doi: 10.1136/jnnp.42.6.557. PMID: 469563Free PMC Article

Therapy

Focal stiff-person syndrome.
Fiol M, Cammarota A, Rivero A, Pardal A, Nogués M, Correale J
Neurologia 2001 Feb;16(2):89-91. PMID: 11257937
Identification of the cerebral loci processing human swallowing with H2(15)O PET activation.
Hamdy S, Rothwell JC, Brooks DJ, Bailey D, Aziz Q, Thompson DG
J Neurophysiol 1999 Apr;81(4):1917-26. doi: 10.1152/jn.1999.81.4.1917. PMID: 10200226
Isaacs syndrome.
Brown TJ
Arch Phys Med Rehabil 1984 Jan;65(1):27-9. PMID: 6691794
Peripheral neuropathy with a syndrome of continuous motor unit activity.
Vasilescu C, Florescu A
J Neurol 1982;226(4):275-82. doi: 10.1007/BF00313401. PMID: 6174709
Myokymia and impaired muscular relaxation with continuous motor unit activity.
Lublin FD, Tsairis P, Streletz LJ, Chambers RA, Riker WF, Van Poznak A, Duckett SW
J Neurol Neurosurg Psychiatry 1979 Jun;42(6):557-62. doi: 10.1136/jnnp.42.6.557. PMID: 469563Free PMC Article

Prognosis

Concurrent Prediction of Finger Forces Based on Source Separation and Classification of Neuron Discharge Information.
Zheng Y, Hu X
Int J Neural Syst 2021 Jun;31(6):2150010. Epub 2021 Feb 4 doi: 10.1142/S0129065721500106. PMID: 33541251
Symptomatic palatal myoclonus with ear click after tick-borne meningoencephalitis.
Pogorzelski R, Drozdowski W, Rogowski M
Eur Arch Otorhinolaryngol 2006 Aug;263(8):711-3. Epub 2006 May 16 doi: 10.1007/s00405-006-0053-7. PMID: 16703386

Clinical prediction guides

Concurrent Prediction of Finger Forces Based on Source Separation and Classification of Neuron Discharge Information.
Zheng Y, Hu X
Int J Neural Syst 2021 Jun;31(6):2150010. Epub 2021 Feb 4 doi: 10.1142/S0129065721500106. PMID: 33541251
Ischemic Preconditioning Blunts Loss of Knee Extensor Torque Complexity with Fatigue.
Pethick J, Casselton C, Winter SL, Burnley M
Med Sci Sports Exerc 2021 Feb 1;53(2):306-315. doi: 10.1249/MSS.0000000000002475. PMID: 32735115Free PMC Article
Facial muscle activity contaminates EEG signal at rest: evidence from frontalis and temporalis motor units.
Yilmaz G, Budan AS, Ungan P, Topkara B, Türker KS
J Neural Eng 2019 Oct 30;16(6):066029. doi: 10.1088/1741-2552/ab3235. PMID: 31307021
Effect of pain on the modulation in discharge rate of sternocleidomastoid motor units with force direction.
Falla D, Lindstrøm R, Rechter L, Farina D
Clin Neurophysiol 2010 May;121(5):744-53. Epub 2010 Jan 25 doi: 10.1016/j.clinph.2009.12.029. PMID: 20097603
Motor-unit activity in the trapezius muscle during rest, while inputting data, and during fast finger tapping.
Kitahara T, Schnoz M, Läubli T, Wellig P, Krueger H
Eur J Appl Physiol 2000 Oct;83(2-3):181-9. doi: 10.1007/s004210000277. PMID: 11104059

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