Myofascial trigger points (MTPs) have long been a contentious issue in relation to fibromyalgia, and poorly defined pain complaints in general. Can MTPs be reproducibly identified? Do MTPs have valid objective findings, such as spontaneous electromyographic activity, muscle microdialysis evidence for an inflammatory milieu or visualization with newer ultrasound techniques? Is fibromyalgia a syndrome of multiple MTPs, or is focal muscle tenderness a manifestation of central sensitization? These issues are discussed with relevance to a recent paper reporting that manual palpation of active MTPs elicits the spontaneous pain experienced by fibromyalgia patients.
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http://dx.doi.org/10.1186/ar3357 | DOI Listing |
MAGMA
January 2025
Medical Physics Group, Institute of Diagnostic and Interventional Radiology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany.
Objective: To establish an arterial spin labeling (ASL) protocol for rat livers that improves data reliability and reproducibility for perfusion quantification.
Methods: This study used respiratory-gated, single-slice, FAIR-based ASL imaging with multiple inversion times (TI) in rat livers. Quality assurance measures included: (1) introduction of mechanical ventilation to ensure consistent respiratory cycles by controlling the respiratory rate (45 bpm), tidal volume (10 ml/kg), and inspiration: expiration ratio (I:E ratio, 1:2), (2) optimization of the trigger window for consistent trigger points, and (3) use of fit residual map and coefficient of variance as metrics to assess data quality.
Sci Total Environ
December 2024
Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, China. Electronic address:
Med Acupunct
October 2024
School of acupuncture-moxibustion and tuina, Anhui University of Chinese Medicine, Hefei City, China.
Stud Hist Philos Sci
December 2024
Freudental Institute, Department of Mathematics, Faculty of Science, Utrecht University, The Netherlands. Electronic address:
This paper is a critical analysis of the structure of the quantum revolution. I consider the factual question of how, historically and theoretically, the classical gave way to the quantum, and I argue for an answer that shows, contra Thomas Kuhn's influential philosophy of science, that it is the logic, and not the sociology and psychology, of research that correctly explains the classical-to-the-quantum paradigm shift. My approach is based not on archival studies but on a careful reading, in their original historical context, of Max Planck's and Albert Einstein's well-known papers; the burden of my argument, which at points will be outspoken, consists, then, in identifying and removing the impediments that prevent us from reading these papers in themselves.
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December 2024
Mathematics, KU Leuven, Celestijnenlaan 200B, Leuven, Belgium.
The formation of a S-shaped filament was investigated to determine if and how magnetoacoustic waves in the solar corona can trigger filament excitation. The study investigated how magnetoacoustic waves interact with two magnetic null points in the solar corona. Since the solar corona has a complex magnetic field structure, it is expected that magnetic structures are predominantly responsible for the occurrence of coronal events.
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