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  • Author: Matthew J. Slater x
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Andrew L. Evans, Matthew J. Slater, Martin J. Turner and Jamie B. Barker

The present study examined the effects of personal-disclosure mutual-sharing (PDMS) on a diverse set of group factors in a previously unexplored context. During a single bout of PDMS, 14 soccer-academy athletes voluntarily disclosed unknown personal stories to fellow teammates. Social identity, friendships identity content, results identity content, and collective efficacy were measured at baseline, post-PDMS, follow-up, and maintenance phases. In addition, team performance over the competitive season was assessed via goal difference and goal discrepancy. Data indicated that a short-term significant increase in friendships identity content and a sustained improvement in team performance occurred after the PDMS session, and social identity, results identity content, and collective efficacy remained elevated across all intervention phases. Data suggest that PDMS fosters immediate increases in aspects of team functioning that may exert a positive influence upon team performance. Future research would benefit from ascertaining the exact mechanisms in which PDMS encourages changes in team outcomes observed within the current study.

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Katrien Fransen, Norbert Vanbeselaere, Bert De Cuyper, Pete Coffee, Matthew J. Slater and Filip Boen

Research on the effect of athlete leadership on precursors of team performance such as team confidence is sparse. To explore the underlying mechanisms of how athlete leaders impact their team’s confidence, an online survey was completed by 2,867 players and coaches from nine different team sports in Flanders (Belgium). We distinguished between two types of team confidence: collective efficacy, assessed by the CEQS subscales of effort, persistence, preparation, and unity; and team outcome confidence, measured by the ability subscale. The results demonstrated that the perceived quality of athlete leaders was positively related to participants’ team outcome confidence. The present findings are the first in sport settings to highlight the potential value of collective efficacy and team identification as underlying processes. Because high-quality leaders strengthen team members’ identification with the team, the current study also provides initial evidence for the applicability of the identity based leadership approach in sport settings.

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Martin J. Turner, Marc V. Jones, David Sheffield, Matthew J. Slater, Jamie B. Barker and James J. Bell

This study assessed whether cardiovascular (CV) reactivity patterns indexing challenge and threat states predicted batting performance in elite male county (N = 12) and national (N = 30) academy cricketers. Participants completed a batting test under pressure, before which CV reactivity was recorded in response to ego-threatening audio instructions. Self-reported self-efficacy, control, achievement goals, and emotions were also assessed. Challenge CV reactivity predicted superior performance in the Batting Test, compared with threat CV reactivity. The relationships between self-report measures and CV reactivity, and self-report measures and performance were inconsistent. A small subsample of participants who exhibited threat CV reactivity, but performed well, reported greater self-efficacy than participants who exhibited threat CV reactivity, but performed poorly. Also a small subsample of participants who exhibited challenge reactivity, but performed poorly, had higher avoidance goals than participants with challenge reactivity who performed well. The mechanisms for the observed relationship between CV reactivity and performance are discussed alongside implications for future research and applied practice.

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Ian J. Dempsey, Grant E. Norte, Matthew Hall, John Goetschius, Lindsay V. Slater, Jourdan M. Cancienne, Brian C. Werner, David R. Diduch and Joseph M. Hart

Context: Postoperative rehabilitation is critical to optimize outcomes after anterior cruciate ligament reconstruction (ACLR). However, the relationship between physical therapy (PT) and clinical outcomes is unclear. Objective: To describe PT characteristics following ACLR and to assess the relationships between PT characteristics, surgical procedure, and clinical outcomes. Design: Cross-sectional. Setting: Laboratory. Patients (or Other Participants): A total of 60 patients (31 females/29 males, age = 22.4 [9.2] y, height = 171.7 [9.9] cm, and mass = 70.2 [14.7] kg) with a history of primary unilateral ACLR (53.6% patellar tendon and 46.4% hamstring) participated. Intervention(s): Patients completed a performance assessment and rated subjective knee function prior to physician clearance (mean = 6.3 [1.3] mo postoperatively) and were contacted within 6 months of clearance to complete a PT questionnaire. Main Outcome Measures: PT questionnaire item response, knee extension maximum voluntary isometric contraction (MVIC) torque, peak isokinetic knee extension torque, single leg hop distance, and International Knee Documentation Committee were measured. Correlations assessed relationships between PT quantity and clinical outcomes. Independent t tests compared PT quantity and clinical outcomes based on return-to-sport status, readiness to return to sport, and surgical procedure. Results: Patients completed regular PT (2 d/wk, 25 wk, 58 visits) and were most likely to conclude when discharged by the therapist (68.3%). More than half (56.7%) returned to sport, yet most (73.3%) felt unready at discharge. Isokinetic torque was correlated with days of PT/week (r = .29, P = .03). Isokinetic torque and hop symmetry were reduced in patients who returned to sport (P < .05). Patients who felt ready to return completed fewer weeks of PT (P < .05). Patients with a patellar tendon graft completed more days of PT/week and total visits, but demonstrated lower MVIC torque, MVIC symmetry, and isokinetic symmetry (P < .05). Conclusions: Many patients felt unready to return to sport at PT discharge. PT frequency was associated with isokinetic torque, yet this relationship was small. Outcomes were reduced in patients who returned to sport, suggesting premature resumption of preinjury activity.