AI Article Synopsis
- The study aimed to evaluate the effects of standardized muscle contractions on self-reported symptoms like pain, unpleasantness, fatigue, and mental stress among healthy volunteers.
- Participants performed contractions of the jaw, orbicularis-oris, and orbicularis-oculi muscles, reporting significant increases in pain and fatigue, especially with jaw contractions, while symptoms disappeared within a day.
- Findings suggest that different craniofacial muscles can cause varying levels of discomfort and fatigue during contraction tasks, indicating the need for further research on muscle group fatigue resistance.
Article Abstract
Objective: Repetitive jaw-muscle activity characterized by clenching or grinding of the teeth and/or by bracing or thrusting of the mandible, ie, bruxism, is traditionally linked to pain and unpleasantness in the active muscles. The aim of this study was to investigate the effects of standardized craniofacial muscle contractions on self-reported symptoms.
Methods: Sixteen healthy volunteers performed six 5-minute bouts of 20% maximal voluntary contraction task of the jaw-closing (Jaw), the orbicularis-oris (O-oris), and the orbicularis-oculi (O-oculi) muscles. Participants rated their perceived pain, unpleasantness, fatigue, and mental stress levels before, during, and after the contraction tasks on 0-10 Numeric Rating Scales (NRS). Each muscle contraction task (= 1 session) was separated by at least 1 week and the order of the sessions was randomized in each subject.
Results: All muscle contraction tasks evoked significant increases in NRS scores of pain (mean ± SD: Jaw; 3.8 ± 2.7, O-oris; 1.9 ± 2.2, O-oculi; 1.4 ± 1.3, P < .014), unpleasantness (Jaw; 4.1 ± 2.5, O-oris; 2.1 ± 1.9, O-oculi; 2.9 ± 1.8, P < .001), fatigue (Jaw; 5.8 ± 2.0, O-oris; 3.2 ± 2.3, O-oculi; 3.6 ± 1.9, P < .001), and mental stress (Jaw; 4.1 ± 2.1, O-oris; 2.2 ± 2.7, O-oculi; 2.9 ± 2.2, P < .001). The Jaw contractions were associated with higher NRS scores compared with the O-oris and the O-oculi contractions (P < .005) without differences between the O-oris and the O-oculi (P > .063). All symptoms disappeared within 1 day (P > .469).
Conclusions: The results showed that submaximal static contractions of different craniofacial muscle groups could evoke transient, mild to moderate levels of muscle pain and fatigue and increased stress scores. The fatigue resistance may differ between different muscle groups. Further studies are warranted to better understand the contribution of specific craniofacial muscle groups for the characteristic presentation of musculoskeletal pain conditions in the head.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1111/head.13280 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Sex differences in the reactivity of gastric myoelectrical activity and heart rate variability as putative psychophysiological markers in human pain research.
Front Neurosci
December 2024
Department of Neurology, Center for Translational Neuro-and Behavioral Sciences (C-TNBS), University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
Background: This study explored the potential of electrogastrography (EGG) and heart rate variability (HRV) as psychophysiological markers in experimental pain research related to the gut-brain axis. We investigated responses to the experience of pain from the visceral (rectal distension) and somatic (cutaneous heat) pain modalities, with a focus on elucidating sex differences in EGG and HRV responses.
Methods: In a sample of healthy volunteers (29 males, 43 females), EGG and ECG data were collected during a baseline and a pain phase.
Pain is what you think: functional magnetic resonance imaging evidence toward a cognitive and affective approach for pain research.
Front Pain Res (Lausanne)
December 2024
Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada.
The sensory/discriminative domain of pain is often given more consideration than the cognitive and affective influences that ultimately make pain what it is: a highly subjective experience that is based on an individual's life history and experiences. While many investigations of the underlying mechanisms of pain have focused on solely noxious stimuli, few have compared somatosensory stimuli that cross the boundary from innocuous to noxious. Of those that have, there is little consensus on the similarities and differences in neural signaling across these sensory domains.
View Article and Find Full Text PDFParoxysmal extreme pain disorder associated with a mutation in SCN9A gene - Case report and own experiences.
Front Neurol
December 2024
Department of Surgery, Institute of Medical Sciences, Medical College of Rzeszów University, Rzeszów, Poland.
Introduction: Pain is an unpleasant sensory and emotional experience, influenced by various factors. Paroxysmal extreme pain disorder (PEPD) is a rare genetic condition characterized by sudden bouts of pain accompanied by autonomic symptoms.
Material Methods And Aim: This manuscript presents the case of a 9-year-old boy with paroxysmal extreme pain syndrome and provides a review of the literature.
Efficacy and safety evaluation of Boswellia serrata and Curcuma longa extract combination in the management of chronic lower back pain: A randomised, double-blind, placebo-controlled clinical study.
Explore (NY)
December 2024
Department of Scientific and Medical Affairs, Sundyota Numandis Probioceuticals Pvt. Ltd., Ahmedabad, Gujarat, India.
Background And Aim: Chronic lower back pain (CLBP) is a major condition that leads to disability and reduced quality of life (QoL). This randomised, double-blind, placebo-controlled clinical study evaluated the efficacy and safety of a novel Boswellia serrata and Curcuma longa combination (CL20192) for the treatment of CLBP.
Material And Methods: Participants with CLBP were randomised to receive either a 300 mg CL20192 capsule (n = 45) or placebo capsule (n = 45) once daily for 90 days.
In 2018, the Ministry of Health and Social Services (MoHSS) introduced acetic acid visual inspection (AAVI) screening program and treatment of cervical precancers with cryotherapy in replacement of Pap smear intervention in Namibia. The study examines the effective use of AAVI-and-cryotherapy treatment on HPV-diagnosed women. Female patients of the reproductive age (20-49 years) group visiting 2 Namibian healthcare facilities for AAVI and cryotherapy treatment were investigated using a cross-sectional approach.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!