Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine · 2020
Sprinting and hamstring strain injury: Beliefs and practices of professional physical performance coaches in Australian football.
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Freeman Brock W, Talpey Scott W, James Lachlan P, Young Warren B
Аннотация
OBJECTIVES: The purpose of this study was to establish beliefs and practices of physical performance coaches regarding sprinting and Hamstring Strain Injury (HSI) in Australian Rules football.
DESIGNS: Delphi-validated questionnaire.
SETTING: Online.
PARTICIPANTS: Eighteen high-performance managers of the Australian Football League.
MAIN OUTCOME MEASURES: Descriptive statistics were collected to establish experience; central themes were established for the analyses of the beliefs and practices.
RESULTS: Nine (50%) physical performance coaches responded to an invitation to complete the questionnaire. Participants held an undergraduate degree and had 9.2 ± 4.3 years of experience. Accelerations (n = 9), maximum speed sprints (n = 9) and running with hip flexion (n = 7) were the most common activities associated with HSI. Coaches believed sprinting, eccentric strength training and proper periodisation were effective strategies to reduce HSI risk. There's a disparity between beliefs and practices when using GPS to monitor sprinting, however, all coaches reported regular exposure to sprint training across both pre and in-season. Overstriding (n = 9) and pelvic instability (n = 6) were identified as key flaws in running mechanics.
CONCLUSIONS: This information can be used to improve training strategies, whilst these findings indicate further investigations into sprint training and running mechanics for HSI risk reduction.
DESIGNS: Delphi-validated questionnaire.
SETTING: Online.
PARTICIPANTS: Eighteen high-performance managers of the Australian Football League.
MAIN OUTCOME MEASURES: Descriptive statistics were collected to establish experience; central themes were established for the analyses of the beliefs and practices.
RESULTS: Nine (50%) physical performance coaches responded to an invitation to complete the questionnaire. Participants held an undergraduate degree and had 9.2 ± 4.3 years of experience. Accelerations (n = 9), maximum speed sprints (n = 9) and running with hip flexion (n = 7) were the most common activities associated with HSI. Coaches believed sprinting, eccentric strength training and proper periodisation were effective strategies to reduce HSI risk. There's a disparity between beliefs and practices when using GPS to monitor sprinting, however, all coaches reported regular exposure to sprint training across both pre and in-season. Overstriding (n = 9) and pelvic instability (n = 6) were identified as key flaws in running mechanics.
CONCLUSIONS: This information can be used to improve training strategies, whilst these findings indicate further investigations into sprint training and running mechanics for HSI risk reduction.