Electromyographic study of the associated reaction of elbow flexion during gait in patients with hemiplegia

Manca, M.; Merlo, Andrea; Cosma, M.; Ferraresi, G.; Marchi, P.; Venturini, E.

doi:10.1016/j.gaitpost.2011.09.074

Cited by 1 publication

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“…Surface EMG of elbow flexors is a critical non-invasive assessment technique clinically employed for the definition of the surgical intervention [4] and for the selection of muscles to be treated by focal muscle inhibition [5], complementary to clinical examination. Moreover, BRD is also used in the control of sEMG-guided forearm prostheses [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Electrode Size and Placement for Surface EMG Bipolar Detection from the Brachioradialis Muscle: A Scoping Review

Merlo

Bò²,

Campanini

2021

Sensors

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The brachioradialis muscle (BRD) is one of the main elbow flexors and is often assessed by surface electromyography (sEMG) in physiology, clinical, sports, ergonomics, and bioengineering applications. The reliability of the sEMG measurement strongly relies on the characteristics of the detection system used, because of possible crosstalk from the surrounding forearm muscles. We conducted a scoping review of the main databases to explore available guidelines of electrode placement on BRD and to map the electrode configurations used and authors’ awareness on the issues of crosstalk. One hundred and thirty-four studies were included in the review. The crosstalk was mentioned in 29 studies, although two studies only were specifically designed to assess it. One hundred and six studies (79%) did not even address the issue by generically placing the sensors above BRD, usually choosing large disposable ECG electrodes. The analysis of the literature highlights a general lack of awareness on the issues of crosstalk and the need for adequate training in the sEMG field. Three guidelines were found, whose recommendations have been compared and summarized to promote reliability in further studies. In particular, it is crucial to use miniaturized electrodes placed on a specific area over the muscle, especially when BRD activity is recorded for clinical applications.

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