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  1. Article: A musculoskeletal multifactorial individualised programme for hamstring muscle injury risk reduction in professional football: results of a prospective cohort study.

    Edouard, Pascal / Lahti, Johan / Fleres, Luca / Ahtiainen, Juha / Ulvila, Juha-Jaakko / Lehtinen, Tiitus / Virtanen, Niklas / Taipale, Toni / Bellver, Michel / Peltonen, Ville / Thibault, Max / Huuhka, Toni / Toivonen, Risto-Matti / Morin, Jean-Benoit / Mendiguchia, Jurdan

    BMJ open sport & exercise medicine

    2024  Volume 10, Issue 1, Page(s) e001866

    Abstract: Objective: To test whether a musculoskeletal multifactorial and individualised hamstring muscle injury (HMI) risk reduction programme could reduce HMI risk in professional football.: Methods: We conducted a prospective cohort study in Finnish premier ...

    Abstract Objective: To test whether a musculoskeletal multifactorial and individualised hamstring muscle injury (HMI) risk reduction programme could reduce HMI risk in professional football.
    Methods: We conducted a prospective cohort study in Finnish premier football league teams, with the 2019 season used as a control and an intervention conducted in the 2021 season. Screening was conducted to provide individualised programmes and monitor progress. Cox regression with hazard ratio (HR) was used with HMI as outcome and season as explanatory variable, including all players for primary analysis and those who performed the two seasons for secondary analysis.
    Results: 90 players were included in the control and 87 in the intervention seasons; 31 players performed in the 2 seasons. Twenty HMIs were recorded during the control and 16 during the intervention seasons. Cox regression analyses revealed that HMI risk at any given time was not significantly different between control and intervention seasons (for all players: HR 0.77 (95% CI 0.39 to 1.51), p=0.444; for the 31 players: HR 0.32 (95% CI 0.01 to 1.29), p=0.110)). For the 31 players, the HMI burden was significantly reduced in the intervention compared with the control season (RR 0.67 (95% CI 0.53 to 0.85)). Higher compliance with knee strength training, maximal velocity exposure and lower performance reductions in maximal theoretical horizontal force and knee flexor force were associated with lower HMI incidence.
    Conclusions: Although the primary analysis did not reveal any significant effect of the intervention to reduce HMI risk in professional football, the programme was feasible, and additional secondary analyses showed a significant association between the intervention and lower HMI burden, incidence and risk.
    Language English
    Publishing date 2024-02-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 2817580-3
    ISSN 2055-7647
    ISSN 2055-7647
    DOI 10.1136/bmjsem-2023-001866
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Changes in sprint performance and sagittal plane kinematics after heavy resisted sprint training in professional soccer players.

    Lahti, Johan / Huuhka, Toni / Romero, Valentin / Bezodis, Ian / Morin, Jean-Benoit / Häkkinen, Keijo

    PeerJ

    2020  Volume 8, Page(s) e10507

    Abstract: Background: Sprint performance is an essential skill to target within soccer, which can be likely achieved with a variety of methods, including different on-field training options. One such method could be heavy resisted sprint training. However, the ... ...

    Abstract Background: Sprint performance is an essential skill to target within soccer, which can be likely achieved with a variety of methods, including different on-field training options. One such method could be heavy resisted sprint training. However, the effects of such overload on sprint performance and the related kinetic changes are unknown in a professional setting. Another unknown factor is whether violating kinematic specificity via heavy resistance will lead to changes in unloaded sprinting kinematics. We investigated whether heavy resisted sled training (HS) affects sprint performance, kinetics, sagittal plane kinematics, and spatiotemporal parameters in professional male soccer players.
    Methods: After familiarization, a nine-week training protocol and a two-week taper was completed with sprint performance and force-velocity (FV) profiles compared before and after. Out of the two recruited homogenous soccer teams (
    Results: Both heavy resistance subgroups improved significantly all 10-30-m split times (
    Conclusion: With appropriate coaching, heavy resisted sprint training could be one pragmatic option to assist improvements in sprint performance without adverse changes in sprinting kinematics in professional soccer players. Assessing each player's initial individual sprint FV-profile may assist in predicting adaptation potential. More studies are needed that compare heavy resisted sprinting in randomized conditions.
    Language English
    Publishing date 2020-12-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2703241-3
    ISSN 2167-8359
    ISSN 2167-8359
    DOI 10.7717/peerj.10507
    Database MEDical Literature Analysis and Retrieval System OnLINE

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