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ObjectiveTo determine the test–retest reliability of the Brain Injury Screening Tool (BIST), which was designed to support the initial assessment of mild traumatic brain injury (mTBI) across a variety of contexts, including primary and secondary care.DesignTest–retest design over a 2-week period.SettingCommunity based.ParticipantsSixty-eight adults (aged 18–58 years) who had not experienced an mTBI within the last 5 years and completed the BIST on two different occasions.MeasuresParticipants were invited to complete the 15-item BIST symptom scale and the Depression, Anxiety and Stress Scale (DASS-21) online at two time-points (baseline and 2 weeks later). To account for large variations in mood affecting symptom reporting, change scores on the subscales of the DASS-21 were calculated, and outliers were removed from the analysis.ResultsThe BIST total symptom score and subscale scores (physical-emotional, cognitive and vestibular) demonstrated moderate to good test–retest reliability with intraclass correlation coefficients ranging between 0.51 and 0.83. There were no meaningful differences between symptom reporting on the total scale or subscales of the BIST between time1 and time2 at the pConclusionThe BIST showed evidence of good stability of symptom reporting within a non-injured, community adult sample. This increases confidence that changes observed in symptom reporting in an injured sample are related to actual symptom change rather than measurement error and supports the use of the symptom scale to monitor recovery over time. Further research is needed to explore reliability of the BIST within those aged

Objectives To investigate the effectiveness of a futsal-specific warm-up to reduce injuries in amateur teams. Design Quasi-experimental. Setting Two futsal centres followed over one season using a specific report card. Participants 878 teams (Intervention group, n = 458; Control group, n = 420) of both genders and three age groups (U13, U17, adults). Intervention A futsal-specific warm-up consisting of cardiovascular exercises, dynamic stretches, and game-related skills. Main outcome measures The incidence rate and severity of all injuries, lower extremity (LE) injuries and contact injuries. A multivariate Poisson regression analysis was used to compare between-group rates. Results The rate of all injuries was lower in the intervention group (rate ratio (RR) = 0.72, 95% CI = 0.59 to 1.06), yet not significant. There was a significantly lower rate of contact injuries in the intervention group (RR = 0.68, 95% CI = 0.51 to 0.98). Subgroup analysis, based on the warm-up adherence of intervention teams (low, intermediate, high), showed a lower rate of all injuries (RR = 0.52, 95% CI = 0.29 to 0.97), and LE injuries (RR = 0.32, 95% CI = 0.14 to 0.81) in the high compared to low adherence group. Conclusion A futsal-specific warm-up can reduce the rate of contact injuries in amateur players. With high adherence the rate of all injuries and LE injuries may also reduce.

Currently health care pathways (the combination and order of services that a patient receives to manage their injury) following a mild traumatic brain injury vary considerably. Some clinicians lack confidence in injury recognition, management and knowing when to refer. A clinical expert group developed the Brain Injury Screening Tool (BIST) to provide guidance on health care pathways based on clinical indicators of poor recovery. The tool aims to facilitate access to specialist services (if required) to improve longer term prognosis. The tool was developed using a three-step process including: 1) domain mapping; 2) item development and 3) item testing and review. An online retrospective survey of 114 adults (>16 years) who had experienced a mild brain injury in the past 10 years was used to determine the initial psychometric properties of the 15-item symptom scale of the BIST. Participants were randomised to complete the BIST and one of two existing symptom scales; the Rivermead Post-concussion Symptom Questionnaire (RPQ) or the Sports Concussion Assessment Test (SCAT-5) symptom scale to determine concurrent validity. Participant responses to the BIST symptom scale items were used to determine scale reliability using Cronbach’s alpha. A principal components analysis explored the underlying factor structure. Spearman’s correlation coefficients determined concurrent validity with the RPQ and SCAT-5 symptom scales. The 15 items were found to require a reading age of 6–8 years old using readability statistics. High concurrent validity was shown against the RPQ (r = 0.91) and SCAT-5 (r = 0.90). The BIST total symptom scale (α = 0.94) and the three factors identified demonstrated excellent internal consistency: physical/emotional (α = 0.90), cognitive (α = 0.92) and vestibular-ocular (α = 0.80). This study provides evidence to support the utility, internal consistency, factor structure and concurrent validity of the BIST. Further research is warranted to determine the utility of the BIST scoring criteria and responsiveness to change in patients.

To assess the attitudes of mountain bikers to the use of protective equipment and quantify the use of such equipment.This was a prospective cohort study using an online questionnaire, offered to bikers participating in a series of Enduro races. The attitudes towards various factors that might contribute to a rider's choice to use protective equipment were quantified based on their responses to the questions. The actual reported use of various types of protective equipment was the outcome measure. The correlations between the factors and actual use were analysed for statistical significance, to assess their relative importance.Equipment use was similar in racing and non-racing settings and could be increased. 55% had experienced an injury requiring a week or more off work. Perceptions of the benefits, costs, cues, comfort and potential injury severity proved to be well correlated with the choice to use equipment, while harm, danger and exposure to media influences did not.

BACKGROUND Anterior cruciate ligament injuries cause significant morbidity, and may be increasing in incidence as participation in high-risk sports increases. The aim of this study is to investigate the incidence of anterior cruciate ligament reconstruction (ACLR) surgery in New Zealand, and to analyse changes over time in demographic subgroups. METHOD Data were sourced from the Accident Compensation Corporation. Data relating to primary ACLRs performed from 2009 to 2016 were evaluated (n = 20 751). Baseline population estimates were obtained from national census data to calculate the incidence, and results were compared to previous data from 2000 to 2005 (n = 7375). RESULTS The annual incidence of ACLR for 2009-2016 was 58.2 per 100 000 person-years and was greater in males than in females (72.2 and 44.9, respectively). This represents a 58% increase when compared with the period 2000-2005 (36.9 per 100 000). The greatest increase was seen in females aged 15-19 years, with the incidence increasing by 120% in the last decade, compared with 53% in females aged 20-24 years. The percentage of injuries caused by sports changed from 65% over 2000-2005 to 76% over 2009-2016, with netball, rugby and football accounting for the highest number of injuries. CONCLUSION The incidence of ACLR procedures has increased markedly in New Zealand, and this increase was most pronounced in females aged 15-19 years. A greater proportion of procedures are now due to sport-related injuries.

This report presents a case of brachial neuritis following a subacromial corticosteroid injection. The patient developed an anterior interosseous neuropathy shortly after the injection, with no other trigger being identified. This neuropathy has unfortunately not shown any sign of recovery at 2 years. The authors propose that corticosteroid injection be added to the list of possible triggering events of brachial neuritis and highlight the frequent use of oral corticosteroids in its treatment. (1) The injection of local anaesthetic and corticosteroid should be considered as a potential trigger for brachial neuritis. (2) Brachial neuritis should be considered in the differential diagnosis for patients presenting with severe arm pain and weakness. (3) The nerves originating from the upper trunk of the brachial plexus are most commonly affected. (4) The anterior interosseous nerve is involved in one-third of cases.