Coffee intake and development of pain during computer work

Strøm, Vegard; Røe, Cecilie; Knardahl, Stein

doi:10.1186/1756-0500-5-480

Cited by 3 publications

(3 citation statements)

References 19 publications

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“…Information was collected on age, sex, handedness, coffee consumption (Walton et al, 2002;Strøm et al, 2012), and back pain history including duration, level and side of complaint.…”

Section: Subjectsmentioning

confidence: 99%

“…It was not the intention of this study, nor did we use an appropriate study design, to test the effect of caffeine concentration on LM discharge characteristics. Nevertheless, since coffee has been linked to muscle pain attenuation during eccentric exercise (Maridakis et al, 2007), endurance exercises (Motl et al, 2003), and computer-based office work (Strøm et al, 2012), as well as to self-sustained firing (Walton et al, 2002), we asked subjects about their coffee drinking habits to be able to control for possible effects of caffeine in our multivariable analyses. We did not quantify coffee intake before the experiments nor perform blood tests to measure caffeine levels, but think it likely that the habitual coffee drinkers would have ingested their morning coffee dose before the experiment.…”

Section: Caffeine and Discharge Ratementioning

confidence: 99%

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Single-motor-unit discharge characteristics in lumbar multifidus muscle of acute low back pain patients

Lothe

Raven

Sandbæk

et al. 2019

Journal of Neurophysiology

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Acute low back pain (ALBP) causes rapid deterioration of paraspinal muscle function. The underlying neurophysiology is poorly understood. We therefore carried out this observational study in patients with ALBP to characterize motor unit (MU) activity in deep lumbar multifidus (LM) muscle and compare with our previous findings from pain-free subjects. Nine subjects (1 woman; age 26–59 yr) with ALBP duration of 1–21 days were recruited from outpatient clinics. Fine wire electromyography (EMG) electrodes were implanted bilaterally at the painful spinal level under computer tomography guidance. EMG was recorded during spontaneous sitting and standing, and during voluntary force production. Linear mixed models were utilized to test or control for the effects of a number of predefined variables. Compared with sitting, standing increased total duration of EMG activity, median MU discharge rate, interspike interval variability, and common drive measured as common drive coefficients (CDC) derived from concurrently active MU pairs. Median discharge rate in 73 MUs was 5.5 and 6.6 pulses per second (pps) during spontaneous sitting and standing, and 7.2 pps during voluntary force production. Interspike interval variability was lower during voluntary tasks than during spontaneous force production. Common drive was less pronounced in bilateral vs. unilateral unit pairs, also in spontaneous standing. This difference was not seen in our previous pain-free subjects, suggesting altered bilateral control of the spine in ALBP. The distribution of CDC values was not a homogeneous continuum but could be seen as two partially overlapping populations of CDC distributions. NEW & NOTEWORTHY We implanted fine-wire electrodes in the deepest part of axial postural muscles in patients with acute low back pain and characterized their motor unit activity. We found less pronounced common drive to the two sides of the spine compared with pain-free subjects, suggesting a different postural control strategy in patients with acute low back pain. An unexpected finding was that common drive coefficient values appeared to consist of two partially overlapping populations of normal distributions.

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“…Information was collected on age, sex, handedness, coffee consumption (Walton et al, 2002;Strøm et al, 2012), and back pain history including duration, level and side of complaint.…”

Section: Subjectsmentioning

confidence: 99%

Section: Caffeine and Discharge Ratementioning

confidence: 99%

Single-motor-unit discharge characteristics in lumbar multifidus muscle of acute low back pain patients

Lothe

Raven

Sandbæk

et al. 2019

Journal of Neurophysiology

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“…Coffee consumption was associated with increased inflammation and decreased muscle recovery [ 13 ]. But coffee consumption can alleviate shoulder pain during computer office work [ 14 ]. Prolonged computer and mobile phone usage might lead to poor posture and repetitive strain injuries, and may cause musculoskeletal disorders [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Lifestyle factors and subacromial impingement syndrome of the shoulder: potential associations in finnish participants

Lv,

Cui,

Zhang

et al. 2024

BMC Musculoskelet Disord

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Background Emerging evidence has indicated the associations between subacromial impingement syndrome (SIS) of shoulder and lifestyle factors. However, whether unhealthy lifestyle factors causally increase SIS risk is not determined. This study aims to evaluate whether lifestyle factors are the risk factors of SIS. Methods A two-sample Mendelian randomization (MR) study was designed to evaluate the effect of 11 lifestyle factors on SIS risk. Causality was determined using the inverse-variance weighted method to calculate the odds ratio (OR) and establish a 95% confidence interval (CI). Weighted median method, MR-Egger method and MR-PRESSO method were conducted as sensitivity analysis. Results Four lifestyle factors were identified causally associated with an increased risk of SIS using the IVW method: insomnia (OR: 1.66 95% CI 1.38, 2.00; P = 8.86 × 10− 8), short sleep duration (OR: 1.53 95% CI 1.14, 2.05: P = 0.0043), mobile phone usage (OR: 4.65, 95% CI 1.59, 13.64; P = 0.0051), and heavy manual or physical work (OR: 4.24, 95% CI 2.17, 8.26; P = 2.20 × 10− 5). Another causal but weak association was found between smoking initiation on SIS (OR: 1.17, 95% CI 1.01, 1.35; P = 3.50 × 10− 2). Alcohol, coffee consumption, physical activity, sedentary behavior, sleep duration and computer usage were not found to be causally associated with an increased risk of SIS. Sensitivity analyses indicated that the MR estimates were robust and no heterogeneity and pleiotropy were identified in these MR analyses. Conclusion Sleep habits and shoulder usage were identified as causal factors for SIS. This evidence supports the development of strategies aimed at improving sleep behaviors and optimizing shoulder usage patterns as effective measures to prevent SIS.

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Convergent Validity of the Central Sensitization Inventory in Chronic Whiplash-Associated Disorders; Associations with Quantitative Sensory Testing, Pain Intensity, Fatigue, and Psychosocial Factors

et al. 2020

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Objective Central sensitization is present in different pain conditions, including chronic whiplash-associated disorders. In the absence of a gold standard method of assessment to determine the presence of central sensitization, quantitative sensory testing is currently understood as an optimal proxy. Laboratory sensory testing is, however, not feasible in clinical practice, and the Central Sensitization Inventory was developed as an alternative. The aim of the current study was to evaluate the convergent validity of the Central Sensitization Inventory in chronic whiplash-associated patients by determining the association between the Central Sensitization Inventory and quantitative sensory testing, pain intensity, fatigue, and psychosocial factors. Methods A total of 125 chronic whiplash-associated patients completed multiple questionnaires and were subjected to pressure pain thresholds and temporal summation. Results . The Central Sensitization Inventory showed a strong association with constructs of general psychopathology, anxiety, distress, depression, and somatization in chronic whiplash-associated disorders. Moderate correlations were found with fatigue and intrusive and avoidant phenomena after a variety of traumatic events. No significant association was found between the Central Sensitization Inventory and pressure pain thresholds and temporal summation, nor between the Central Sensitization Inventory and other pain measurements. Conclusions Overall, we found that the Central Sensitization Inventory is better in identifying the psychosocial factors related to central sensitization in chronic whiplash-associated disorders than the central nervous system adaptations. Thus, the convergent validity of the Central Sensitization Inventory appears to be only partially present in chronic whiplash-associated disorders.

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Coffee intake and development of pain during computer work

Cited by 3 publications

References 19 publications

Single-motor-unit discharge characteristics in lumbar multifidus muscle of acute low back pain patients

Single-motor-unit discharge characteristics in lumbar multifidus muscle of acute low back pain patients

Lifestyle factors and subacromial impingement syndrome of the shoulder: potential associations in finnish participants

Convergent Validity of the Central Sensitization Inventory in Chronic Whiplash-Associated Disorders; Associations with Quantitative Sensory Testing, Pain Intensity, Fatigue, and Psychosocial Factors

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