3,346 research outputs found
Cavus foot in soccer players : increased prevalence in experienced players and risk factor for injury
Background: Foot type, especially cavus foot, is associated with foot and ankle soccer injuries, such as ankle sprains, ankle instability, and foot and ankle lateral injuries. The aim of
this study was to identify risk factors for foot and ankle injuries among soccer players.
Methods: Male and female soccer players, from beginners to semiprofessionals, aged
between 10 and 40 years were enrolled in this cross-sectional study. Players filled in
questionnaires about their training and injury history. Clinical measurements included foot
length, Foot Posture Index-6, and arch height flexibility. Each variable was dichotomized:
age (<18 years versus $18 years), level of play (AA and below versus AAA and above),
foot type (cavus or not), and injury. Injury occurrence was analyzed using x2 tests
between each group of variables, and significance was set at P < .05.
Results: A total of 277 players, including 81 females, volunteered; 147 were younger than
18 years and 180 were AA level or below. Cavus foot prevalence was 30%. In the cavus
foot group, 51.8% of players had reached at least an AAA level compared with 27.8% in the
normal-arched group (P < .001 [x2
]). Injuries were associated with a cavus foot type (P <
.01 [x2
]) and with sex, age, or highest level played (P < .001 [x2
]).
Conclusions: This study identified a high prevalence of cavus foot among soccer players of
all ages, with an increased prevalence among higher-level players. The injury risk factors
were female sex, older age, playing at a higher level, and cavus feet. (J Am Podiatr Med
Assoc 113(6), 2023
Draft Genome Sequences of Pseudomonas Strains ZFEM001-005 Isolated From the Intestine of Larval Zebrafish Danio Rerio
Here, we report the draft genome sequences of Pseudomonas strains zfem001–005, five isolates from the intestinal microbiota of healthy larval zebrafish Danio rerio at a developmental age of 7 days post fertilization. The isolates have been identified as Pseudomonas sediminis, Pseudomonas japonica, Pseudomonas otitidis, Pseudomonas sichuanensis, and Pseudomonas tohonis, respectively
Plantar pressure analysis : identifying risk of foot and ankle injury in soccer players
The aim of this study was to determine whether risk factors for foot or ankle injuries could be identified using quantitative foot measurements. Male and female soccer players of all levels from 9 to 40 years old were included in this cross-sectional study. Soccer history, foot and ankle function and injury history were investigated. Foot symmetry, length and arch height flexibility and plantar pressure captured with a mat were measured. All variables showing a significant correlation (P ≤ .05) and the presence of at least one foot or ankle injury were integrated into a multivariate logistic regression model using forward stepwise selection. We recruited 277 players (196 males), and 79 participants had sustained at least one foot or ankle soccer-related injury. The significant variables were as follows: age, gender, pressure on the lateral heel and on the fourth and fifth metatarsals. Based on the model, the area under the ROC curve was 81.2%. To achieve a specificity of 80%, the corresponding sensitivity was 72.2%. Plantar pressure measurements can objectively assess foot alignment. Increased pressure on the lateral heel and fourth and fifth metatarsal cavovarus foot type represent a risk factor for foot and ankle injuries in soccer. Level of evidence: IV
Towards achieving interorganisational collaboration between health-care providers:a realist evidence synthesis
Background
Interorganisational collaboration is currently being promoted to improve the performance of NHS providers. However, up to now, there has, to the best of our knowledge, been no systematic attempt to assess the effect of different approaches to collaboration or to understand the mechanisms through which interorganisational collaborations can work in particular contexts.
Objectives
Our objectives were to (1) explore the main strands of the literature about interorganisational collaboration and to identify the main theoretical and conceptual frameworks, (2) assess the empirical evidence with regard to how different interorganisational collaborations may (or may not) lead to improved performance and outcomes, (3) understand and learn from NHS evidence users and other stakeholders about how and where interorganisational collaborations can best be used to support turnaround processes, (4) develop a typology of interorganisational collaboration that considers different types and scales of collaboration appropriate to NHS provider contexts and (5) generate evidence-informed practical guidance for NHS providers, policy-makers and others with responsibility for implementing and assessing interorganisational collaboration arrangements.
Design
A realist synthesis was carried out to develop, test and refine theories about how interorganisational collaborations work, for whom and in what circumstances.
Data sources
Data sources were gathered from peer-reviewed and grey literature, realist interviews with 34 stakeholders and a focus group with patient and public representatives.
Review methods
Initial theories and ideas were gathered from scoping reviews that were gleaned and refined through a realist review of the literature. A range of stakeholder interviews and a focus group sought to further refine understandings of what works, for whom and in what circumstances with regard to high-performing interorganisational collaborations.
Results
A realist review and synthesis identified key mechanisms, such as trust, faith, confidence and risk tolerance, within the functioning of effective interorganisational collaborations. A stakeholder analysis refined this understanding and, in addition, developed a new programme theory of collaborative performance, with mechanisms related to cultural efficacy, organisational efficiency and technological effectiveness. A series of translatable tools, including a diagnostic survey and a collaboration maturity index, were also developed.
Limitations
The breadth of interorganisational collaboration arrangements included made it difficult to make specific recommendations for individual interorganisational collaboration types. The stakeholder analysis focused exclusively on England, UK, where the COVID-19 pandemic posed challenges for fieldwork.
Conclusions
Implementing successful interorganisational collaborations is a difficult, complex task that requires significant time, resource and energy to achieve the collaborative functioning that generates performance improvements. A delicate balance of building trust, instilling faith and maintaining confidence is required for high-performing interorganisational collaborations to flourish.
Future work
Future research should further refine our theory by incorporating other workforce and user perspectives. Research into digital platforms for interorganisational collaborations and outcome measurement are advocated, along with place-based and cross-sectoral partnerships, as well as regulatory models for overseeing interorganisational collaborations.
Study registration
The study is registered as PROSPERO CRD42019149009.
Funding
This project was funded by the National Institute for Health and Care Research (NIHR) Health and Social Care Delivery Research programme and will be published in full in Health and Social Care Delivery Research; Vol. 11, No. 6. See the NIHR Journals Library website for further project information
Cumulative stress in childhood is associated with blunted reward-related brain activity in adulthood
Early life stress (ELS) is strongly associated with negative outcomes in adulthood, including reduced motivation and increased negative mood. The mechanisms mediating these relations, however, are poorly understood. We examined the relation between exposure to ELS and reward-related brain activity, which is known to predict motivation and mood, at age 26, in a sample followed since kindergarten with annual assessments. Using functional neuroimaging, we assayed individual differences in the activity of the ventral striatum (VS) during the processing of monetary rewards associated with a simple card-guessing task, in a sample of 72 male participants. We examined associations between a cumulative measure of ELS exposure and VS activity in adulthood. We found that greater levels of cumulative stress during childhood and adolescence predicted lower reward-related VS activity in adulthood. Extending this general developmental pattern, we found that exposure to stress early in development (between kindergarten and grade 3) was significantly associated with variability in adult VS activity. Our results provide an important demonstration that cumulative life stress, especially during this childhood period, is associated with blunted reward-related VS activity in adulthood. These differences suggest neurobiological pathways through which a history of ELS may contribute to reduced motivation and increased negative mood
Telomere length declines with age, but relates to immune function independent of age in a wild passerine
Telomere length (TL) shortens with age but telomere dynamics can relate to fitness components independent of age. Immune function often relates to such fitness components and can also interact with telomeres. Studying the link between TL and immune function may therefore help us understand telomere-fitness associations. We assessed the relationships between erythrocyte TL and four immune indices (haptoglobin, natural antibodies (NAbs), complement activity (CA) and heterophil-lymphocyte (HL) ratio; n = 477-589), from known-aged individuals of a wild passerine (Malurus coronatus). As expected, we find that TL significantly declined with age. To verify whether associations between TL and immune function were independent of parallel age-related changes (e.g. immunosenescence), we statistically controlled for sampling age and used within-subject centring of TL to separate relationships within or between individuals. We found that TL positively predicted CA at the between-individual level (individuals with longer average TL had higher CA), but no other immune indices. By contrast, age predicted the levels of NAbs and HL ratio, allowing inference that respective associations between TL and age with immune indices are independent. Any links existing between TL and fitness are therefore unlikely to be strongly mediated by innate immune function, while TL and immune indices appear independent expressions of individual heterogeneity.</p
Oral splints for temporomandibular disorder or bruxism : a systematic review
Funded by: This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment Programme (Project number: 16/146/06). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health.Peer reviewedPublisher PD
Oral splints for patients with temporomandibular disorders or bruxism : a systematic review and economic evaluation
This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 24, No. 7. See the NIHR Journals Library website for further project information.Peer reviewe
Early-life telomere length predicts lifespan and lifetime reproductive success in a wild bird
Poor conditions during early development can initiate trade-offs that favour current survival at the expense of somatic maintenance and subsequently, future reproduction. However, the mechanisms that link early and late life-history are largely unknown. Recently it has been suggested that telomeres, the nucleoprotein structures at the terminal end of chromosomes, could link early-life conditions to lifespan and fitness. In wild purple-crowned fairy-wrens, we combined measurements of nestling telomere length (TL) with detailed life-history data to investigate whether early-life TL predicts fitness prospects. Our study differs from previous studies in the completeness of our fitness estimates in a highly philopatric population. The association between TL and survival was age-dependent with early-life TL having a positive effect on lifespan only among individuals that survived their first year. Early-life TL was not associated with the probability or age of gaining a breeding position. Interestingly, early-life TL was positively related to breeding duration, contribution to population growth and lifetime reproductive success because of their association with lifespan. Thus, early-life TL, which reflects growth, accumulated early-life stress and inherited TL, predicted fitness in birds that reached adulthood but not noticeably among fledglings. These findings suggest that a lack of investment in somatic maintenance during development particularly affects late life performance. This study demonstrates that factors in early-life are related to fitness prospects through lifespan, and suggests that the study of telomeres may provide insight into the underlying physiological mechanisms linking early- and late-life performance and trade-offs across a lifetime.</p
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