Mechanisms of Hamstring Injury in Professional Soccer Players: Video Analysis and Magnetic Resonance Imaging Findings

To describe the injury mechanisms and magnetic resonance imaging (MRI) findings in acute hamstring injuries of male soccer players using a systematic video analysis. DESIGN: Descriptive case series study of consecutive acute hamstring injuries from September 2017 to January 2022. SETTING: Two specia...

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Detalles Bibliográficos
Autores principales: Jokela, Aleksi, Valle, Xavier, Kosola, Jussi, Rodas, Gil, Til, Lluís, Burova, Maria, Pleshkov, Pavel, Andersson, Håkan, Pasta, Giulio, Manetti, Paolo, Lupón, Gabriel, Pruna, Ricard, García-Romero-Pérez, Alvaro, Lempainen, Lasse
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Clinical Journal of Sport Medicine 2023
Materias:
Original Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10128906/
https://www.ncbi.nlm.nih.gov/pubmed/36730099
http://dx.doi.org/10.1097/JSM.0000000000001109
Descripción
Sumario:To describe the injury mechanisms and magnetic resonance imaging (MRI) findings in acute hamstring injuries of male soccer players using a systematic video analysis. DESIGN: Descriptive case series study of consecutive acute hamstring injuries from September 2017 to January 2022. SETTING: Two specialized sports medicine hospitals. PARTICIPANTS: Professional male soccer players aged between 18 and 40 years, referred for injury assessment within 7 days after an acute hamstring injury, with an available video footage of the injury and positive finding on MRI. INDEPENDENT VARIABLES: Hamstring injury mechanisms (specific scoring based on standardized models) in relation to hamstring muscle injury MRI findings. MAIN OUTCOME MEASURES: Hamstring injury mechanism (playing situation, player/opponent behavior, movement, and biomechanical body positions) and MRI injury location. RESULTS: Fourteen videos of acute hamstring injuries in 13 professional male soccer players were analyzed. Three different injury mechanisms were seen: mixed-type (both sprint-related and stretch-related, 43%), stretch-type (36%), and sprint-type (21%). Most common actions during injury moments were change of direction (29%), kicking (29%), and running (21%). Most injuries occurred at high or very high horizontal speed (71%) and affected isolated proximal biceps femoris (BF) (36%). Most frequent body positions at defined injury moments were neutral trunk (43%), hip flexion 45-90 degrees (57%), and knee flexion <45 degrees (93%). Magnetic resonance imaging findings showed that 79% were isolated single-tendon injuries. CONCLUSIONS: According to a video analysis, most hamstring injuries in soccer occur during high-speed movements. Physicians should suspect proximal and isolated single-tendon—most often BF—hamstring injury, if represented injury mechanisms are seen during game play. In addition to sprinting and stretching, also mixed-type injury mechanisms occur.

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