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Motor Unit Number Index (MUNIX) of the Upper Trapezius: Reliability and Meta-Analysis

Abrahao, A.; PHUNG, L.; Fam, D.; Escorcio-Bezerra, M. L.; Robinson, L. R.; Jones, K. E.; Zinman, L.

2021-03-17 neurology
10.1101/2021.03.14.21253565 medRxiv
Show abstract

Motor unit number index (MUNIX) of the upper trapezius is a candidate biomarker for lower motor neuron function of the bulbar region; however, only a few studies have explored this measure in neuromuscular diseases and reliability data is incomplete. We conducted a systematic review and meta-analysis of this measure in control participants and assessed its reliability in twenty healthy volunteers. Four studies were included with heterogeneous mean-MUNIX estimates, moderated by variability in the populations age and MUNIX sampling technique. We demonstrated an inter- and intra-rater intraclass correlation of 0.86 and 0.94, respectively. Upper trapezius MUNIX is a reliable measure with in-between study variability moderated by age and MUNIX technique.

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"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.