The motor unit and quantitative electromyography

MB Bromberg - Muscle & nerve, 2020 - Wiley Online Library
Electromyography (EMG) assesses the anatomic motor unit (A‐MU), but knowledge of its
anatomy, physiology, and changes with pathology is limited. The electrophysiological motor …

Motor unit recruitment and rate coding in response to fatiguing shoulder abductions and subsequent recovery

BR Jensen, M Pilegaard, G Sjøgaard - European Journal of Applied …, 2000 - Springer
The purpose of the present study was to investigate motor unit (MU) recruitment and firing
rate, and the MU action potential (MUAP) characteristics of the human supraspinatus muscle …

The influence of experimental muscle pain on motor unit activity during low-level contraction

L Birch, H Christensen, L Arendt-Nielsen… - European journal of …, 2000 - Springer
In the present study we compared motor unit (MU) activity in a painful extensor carpi ulnaris
(ECU) muscle to that of a pain-free control. According to the pain adaptation model the …

Motor unit activity during stereotyped finger tasks and computer mouse work

K Søgaard, G Sjøgaard, L Finsen, HB Olsen… - Journal of …, 2001 - Elsevier
Motor unit (MU) activity pattern was examined in the right-hand extensor digitorum
communis muscle (EDC) during standardised finger movements simulating actual computer …

Macro electromyography, an update

E Stålberg - Muscle & nerve, 2011 - Wiley Online Library
The macro electromyography method was developed in the 1980s. 1 Since then, technical
modifications have been made, and a number of conditions have been explored. 2, 3 This …

Concentric needle EMG versus macro EMG I. Relation in healthy subjects

J Finsterer, A Fuglsang-Frederiksen - Clinical neurophysiology, 2000 - Elsevier
Objectives: The relation between motor unit action potentials (MUAPs) recorded via a macro
needle electrode (MA-MUAP, MA-EMG) and MUAPs recorded via a concentric needle …

Differential motor neuron impairment and axonal regeneration in sporadic and familiar amyotrophic lateral sclerosis with SOD-1 mutations: lessons from …

T Bocci, C Pecori, E Giorli, L Briscese… - International journal of …, 2011 - mdpi.com
Amyotrophic Lateral Sclerosis (ALS) is a degenerative disorder of the motor system. About
10% of cases are familial and 20% of these families have point mutations in the Cu/Zn …

Macro-EMG and MUNE changes in patients with amyotrophic lateral sclerosis: one-year follow up

F Sartucci, G Moscato, C Rossi, M Caleo… - International Journal …, 2011 - Taylor & Francis
Objective: We assessed changes in Motor Units (MU) and extent of MU loss using macro-
electromyography (macro-EMG) and Motor Unit Number Estimation (MUNE). Methods: We …

Consistency of motor-unit identification during force-varying static contractions

M Pilegaard, BR Jensen, G Sjøgaard… - European journal of …, 2000 - Springer
Due to inter-operator variability, two operators were used to assess the consistency of motor
unit (MU) identification during ramp contractions, by the comparison of semi-automatic …

The standard concentric needle cannula cannot replace the Macro EMG electrode

A Sandberg - Clinical Neurophysiology, 2014 - Elsevier
Objective To establish the usefulness of the single use and affordable standard concentric
EMG electrode as a substitute for the expensive standard macro electrode. Methods Macro …