Discourse-based intervention for modifying supervisory communication as leverage for safety climate and performance improvement: A randomized field study.

The article presents a randomized field study designed to improve safety climate and resultant safety performance by modifying daily messages in supervisor–member communications. Supervisors in the experimental group received 2 individualized feedback sessions regarding the extent to which they integrated safety and productivity-related issues in daily verbal exchanges with their members; those in the control group received no feedback. Feedback data originated from 7–9 workers for each supervisor, reporting about received supervisory messages during the most recent verbal exchange. Questionnaire data collected 8 weeks before and after the 12-week intervention phase revealed significant changes for safety climate, safety behavior, subjective workload, teamwork, and (independently measured) safety audit scores for the experimental group. Data for the control group (except for safety behavior) remained unchanged. These results are explained by corresponding changes (or lack thereof in the control group) in perceived discourse messages during the 6-week period between the 1st and 2nd feedback sessions. Theoretical and practical implications for climate improvement and organizational discourse research are discussed. (PsycINFO Database Record (c) 2014 APA, all rights reserved)
Source: Journal of Applied Psychology - Category: Psychiatry & Psychology Authors: Source Type: research

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Conclusions This study provides evidence for enhanced myokine expression and tumor-suppressive effects of serum from chronically exercise-trained prostate cancer patients on androgen deprivation therapy.
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: CLINICAL SCIENCES Source Type: research
Conclusions Temporizing CMI with US-guided percutaneous tenotomy and corticosteroid injections is effective in allowing continued sport participation among high-level athletes and does not negatively affect postoperative outcomes.
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: CLINICAL SCIENCES Source Type: research
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Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: CLINICAL SCIENCES Source Type: research
Conclusions The hypoalgesic effects induced by the isometric exercise were not only localized to the moving part of the body but also can be extended to the distal part of the body. The exercise intensities play a vital role in modulating these effects. Exercise-induced hypoalgesia could be related to the modulation of nociceptive information transmission via a spinal gating mechanism and also rely on a top-down descending pain inhibitory mechanism.
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: BASIC SCIENCES Source Type: research
Conclusions Exercise seems to affect circulating proteins, clinical characteristics, and muscle strength in FM. This study contributes to better understanding of systemic protein changes in FM compared with CON and how resistance exercise affects such changes.
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: BASIC SCIENCES Source Type: research
Conclusions In PD, central NF seems exacerbated by the fatiguing task which, however, does not alter peripheral fatigue. This, besides the TTF like CTRL, suggests that physical activity may limit NF and counterbalance PD-induced degeneration through peripheral adaptations.
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: BASIC SCIENCES Source Type: research
Purpose We quantified the magnitude of exercise-induced bronchodilation in adult asthmatics under conditions of narrowed and dilated airways. We then assessed the effect of the bronchodilation on ventilatory capacity and the extent of ventilatory limitation during exercise. Methods Eleven asthmatics completed three exercise bouts on a cycle ergometer. Exercise was preceded by no treatment (trialCON), inhaled β2 agonist (trialBD), or a eucapnic voluntary hyperpnea challenge (trialBC). Maximal expiratory flow-volume maneuvers (MEFV) were performed before and within 40 s of exercise cessation. Exercise tidal f...
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: BASIC SCIENCES Source Type: research
We examined whether the magnitude of muscle damage indicated by changes in maximal voluntary isometric contraction (MVIC) strength 1 to 3 d after unaccustomed eccentric exercise (ECC) was correlated with changes in central and peripheral neuromuscular parameters immediately post-ECC. Methods Twenty participants (19–36 yr) performed six sets of eight eccentric contractions of the knee extensors. Rate of force development (RFD) during knee extensor MVIC, twitch force, rate of force development (RFDRT) and rate of relaxation (RRRT) of the resting twitch, maximal M-wave (MMAX), voluntary activation, silent period ...
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: BASIC SCIENCES Source Type: research
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Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research
Introduction Conflicting evidence exists on whether physical activity (PA) levels of humans have changed over the last quarter-century. The main objective of this study was to determine if there is evidence of time trends in PA, from cross-sectional studies that assessed PA at different time points using wearable devices (e.g., pedometers and accelerometers). A secondary objective was to quantify the rate of change in PA. Methods A systematic literature review was conducted of English-language studies indexed in PubMed, SPORTDiscus, and Web of Science (1960–2020) using search terms (time OR temporal OR sec...
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research
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