ArticleJournal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology2014
Identification and classification of involuntary leg muscle contractions in electromyographic records from individuals with spinal cord injury.
Article in Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
9 citing papers in PubMed.
- Translating a Preclinically Tested 15 Hz rTMS Protocol to Humans With Chronic Spinal Cord Injury: A Safety and Feasibility Study.Annals of clinical and translational neurology · 2025Article
- A new ICT system coupling electromyography and coma recovery scale-revised to support the diagnostic process in disorders of consciousness.Scientific reports · 2024Article
- A scoping review on muscle cramps and spasms in upper motor neuron disorder-two sides of the same coin?Frontiers in neurology · 2024Article
- Surface electromyography of the vastus lateralis and gluteus medius muscles in post-operative T3-L3 hemilaminectomy dogs: a prospective controlled observational study.Frontiers in veterinary science · 2024Article
- Properties of the surface electromyogram following traumatic spinal cord injury: a scoping review.Journal of neuroengineering and rehabilitation · 2021Article
- Impact of spasticity on transfers and activities of daily living in individuals with spinal cord injury.The journal of spinal cord medicine · 2019Article
- Spasms after spinal cord injury show low-frequency intermuscular coherence.Journal of neurophysiology · 2018Article
- Role and Significance of Trunk and Upper Extremity Muscles in Walker-Assisted Paraplegic Gait: A Case Study.Topics in spinal cord injury rehabilitation · 2018Article
- Characterization of Involuntary Contractions after Spinal Cord Injury Reveals Associations between Physiological and Self-Reported Measures of Spasticity.Frontiers in integrative neuroscience · 2017Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Involuntary muscle contractions (spasms) are common after human spinal cord injury (SCI). Our aim was to compare how well two raters independently identified and classified different types of spasms in the same electromyographic records (EMG) using predefined rules. Muscle spasms were identified by the presence, timing and pattern of EMG recorded from paralyzed leg muscles of four subjects with chronic cervical SCI. Spasms were classified as one of five types: unit, tonic, clonus, myoclonus, mixed. In 48h of data, both raters marked the same spasms most of the time. More variability in the total spasm count arose from differences between muscles (84%; within subjects) than differences between subjects (6.5%) or raters (2.6%). Agreement on spasm classification was high (89%). Differences in spasm count, and classification largely occurred when EMG was marked as a single spasm by one rater but split into multiple spasms by the other rater. EMG provides objective measurements of spasm number and type in contrast to the self-reported spasm counts that are often used to make clinical decisions about spasm management. Data on inter-rater agreement and discrepancies on muscle spasm analysis can both drive the design and evaluation of software to automate spasm identification and classification.
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