Risk-Taking Behavior as a Mediator of the Relationship between Children's Temperament and Injury Liability

The relationship between childhood temperament, risk-taking behavior and injury liability is investigated in a sample of 209 two- to nine-year-old children using parental report. Temperament was found to be significantly related to both risk-taking behavior and the number of injuries sustained; moreover, risk-taking behavior was a significant predictor of injuries. A mediational model was tested and risk-taking behavior was found to mediate the relationship between temperament and injury liability. The implications of these findings are discussed within the context of preventive actions.     

Suicide by crashing into a heavy vehicle: A one-year follow-up study of professional drivers

Train and heavy vehicle drivers can experience a traumatic event caused by people attempting suicide by crashing into their vehicles or jumping in front of them. While there are a number of studies on train drivers showing the negative consequences these events can have on their well-being, there are no studies on heavy vehicle drivers involved in these types of crashes. In the current study, we surveyed Finnish heavy vehicle drivers (N = 15) involved in a suicide crash in the year 2017 regarding their experiences and coping approximately one month (T1) and one year (T2) after the crash. Ten of these drivers reported one or various combinations of measurable consequences such as minor physical injuries, shorter or longer sickness absences, significant posttraumatic stress symptoms (measured using the Impact of Events Scale-Revised) and requiring psychological help. Posttraumatic stress symptoms decreased over time; however, three out of the four drivers who had a high IES-R score at T1 were still around the IES-R cut-off score at T2. This research raises questions whether and what kind of support heavy vehicle drivers who have been involved in a suicide crash should be given.     

Validation of a measure of injury-risk behaviors in the first 2 years of life: Infant/Toddler-Injury Behavior Questionnaire (IT-IBQ)

Unintentional injuries are the leading cause of death for young children and many result from them doing injury-risk behaviors in the home. There are a number of questionnaire measures of injury-risk behaviors for children 2 years and older, but none that apply during infancy. The current study addressed this gap. Parents completed the new Infant/Toddler-Injury Behavior Questionnaire when infants were pre-mobile (sitting independently) and mobile (walking independently), with diary measures of injuries and risk behaviors taken continuously throughout this period. Validated questionnaire measures of chaos and routines in the home were also completed. The IT-IBQ showed positive associations with injuries, risk behaviors, and degree of chaos in the home, and was negatively associated with family routines. The results provide evidence for criterion validity and suggest that the new measure holds promise as one that can aid in identifying infants who are likely to engage in injury-risk behaviors.     

Effects of physical fatigue and cognitive challenges on the potential for low back injury

There is no question that the motor control system will adapt under fatiguing conditions; however, there is documented evidence showing that when fatigued or challenged, the motor control system will, on occasion, perform inappropriate muscle sequencing, increasing the risk of injury, or directly causing injury. Knowing that inappropriate muscle activations can lead to injury, the purpose of this study was to investigate motor patterns during cognitive and physical challenges. Rather than ensure change with severe challenges, milder challenges were purposefully chosen. Eight male subjects performed a low external load task performed near end ROM while in an unchallenged state, and while in three challenged states: passive tissue creep, muscle fatigue and cognitive distraction. Data were collected using EMG of the trunk muscles and angular displacement of the lumbar spine. Comparison of motor control patterns between the unchallenged state and each of the three challenged conditions showed no systematic differences. However, several random anomalies were observed. A case study of a single subject was chosen to show inappropriate motor control during one trial under the cognitive distraction conditions. The response of the motor control system is very individualized and does on occasion produce inappropriate motor patterns. This supports the notion that injury may also occur as the result of random motor control errors as well as predictable, systematic changes.     

Linking psychological risk profiles to running-related injuries and chronic fatigue in long-distance runners: A latent profile analysis

IntroductionConsistently predicting adverse outcomes of long-distance running, such as running-related injuries (RRIs) and chronic fatigue, has proven to be a complicated matter. However, research suggests that a stronger focus on psychological factors of runners might provide further insights. Consequently, in this study, we explored the interplay between self-regulatory coping strategies and motivational aspects. Using a person-centered approach, we investigated whether latent psychological profiles of runners were associated with RRIs and chronic fatigue.MethodsQuestionnaire data were gathered from Dutch recreational long-distance runners (N = 425) using a cross-sectional design. We determined whether specific psychological combinations (i.e., latent profiles) based on coping strategies (i.e., running-related resources and recovery) and motivational aspects (i.e., harmonious and obsessive passion) could be distinguished using latent profile analysis (LPA). The resulting profiles were tested for their associations with RRIs and chronic fatigue.ResultsLPA revealed three different psychological risk profiles, termed the ‘low-risk’, ‘medium-risk’, and ‘high-risk’ profile. The low-risk profile showed low scores on obsessive passion and high scores on all recovery dimensions, whereas the high-risk profile resembled the opposite pattern. Furthermore, the low-risk profile showed significantly fewer RRIs and lower chronic fatigue scores than the high-risk profile.DiscussionThe results reveal that (1) patterns of passion and coping strategies interact in defining different profiles and (2) that such profiles are indeed linked to RRIs and chronic fatigue. Utilizing profiles might enable targeted intervention and more effective preventative measures by pinpointing at-risk runners. Specific combinations of psychological aspects, as reflected by our profiles, thus appear a worthwhile direction to consider in understanding RRIs and chronic fatigue in long-distance running.     

The effect of running on foot muscles and bones: A systematic review

Despite the widespread evidence of running as a health-preserving exercise, little is known concerning its effect on the foot musculature and bones. While running may influence anatomical foot adaptation, it remains unclear to what extent these adaptations occur. The aim of this paper is to provide a systematic review of the studies that investigated the effects of running and the adaptations that occur in foot muscles and bones. The search was performed following the PRISMA guidelines. Relevant keywords were used for the search through PubMed/MEDLINE, Scopus and SPORTDiscus. The methodological quality of intervention studies was assessed using the Downs and Black checklist. For cross-sectional studies, the Newcastle-Ottawa scale was used. Sixteen studies were found meeting the inclusion criteria. In general, the included studies were deemed to be of moderate methodological quality. Although results of relevant literature are limited and somewhat contradictory, the outcome suggests that running may increase foot muscle volume, muscle cross-sectional area and bone density, but this seems to depend on training volume and experience. Future studies conducted in this area should aim for a standard way of reporting foot muscle/bone characteristics. Also, herein, suggestions for future research are provided.     

« Docteur,pourrais-je avoir une copie du certificat ? » Étude pluricentrique concernant l’application des décrets du 31 mars 2021 et du 23 novembre 2021

On 31 March 2021, a decree was published in the Official Journal concerning the procedures for the delivery of medical certificates to victims of violence. These victims can now obtain a copy of the certificate drafted by the doctor required by the judicial authorities, particularly as regards medical examiners.PurposeThe aim of our study was to assess the impact of the March 31, 2021 decree on victims’ requests to the medical examiner for a copy of the medical certificate.MethodsThis prospective study was conducted among three forensic services receiving victims in consultation, using a paper questionnaire linked to Medlé data, over a three-month period.ResultsOf the 1,492 consultations conducted during the study period, a copy of the certificate was only given to the victim in 13.1 % of the consultations. It was requested spontaneously by the victim in 15.2 % of cases, most often to exercise his right (46.4 %). These were primarily consultations following an accident, psychological abuse, and assault. This copy was requested spontaneously by less than 3 % of victims of domestic violence. There was some disparity between the three centres regarding the minor victim.ConclusionThis study is a small sample over a short period. The information of the victims, especially of domestic violence, on access to the copy of the medical-legal certificate seems still insufficient, and the principle of surrender, when it can help the victim in his efforts, can also be a source of confusion.     

An ecological stance on risk and safe behaviors in children: The role of affordances and emergent behaviors

Unintentional injuries are a major cause of disability and death among children. Initial strategies to address child safety issues have primarily either focused on the environment, trying to identify “risk environments”, or on the individual, trying to identify “at risk children”. More recently, the interaction between child and environment is starting to be addressed in order to enhance the understanding of childhood injuries. The present review suggests a framing of these studies in ecological theory, which implies that children with certain characteristics perceive certain affordances in the environment. In this context, risk may be considered a relational concept. The literature on risk prevention is reviewed and the role of caregivers in managing affordances is emphasized.