Isolated Adductor Magnus Injuries in Athletes : A Case Series
Mechó, Sandra (Universitat Autònoma de Barcelona. Departament de Medicina)
Balius Matas, Ramón (Generalitat de Catalunya)
Bossy, Mireia (Hospital Quiron)
Valle, Xavier (Hospital Universitari Dexeus (Barcelona, Catalunya))
Pedret, Carles (Clínica Diagonal)
Ruiz-Cotorro, Ángel (Clínica Mapfre de Medicina del Tenis)
Rodas, Gil (Hospital Sant Joan de Déu (Barcelona, Catalunya))

Data:	2023
Resum:	Little is known about injuries to the adductor magnus (AM) muscle and how to manage them. To describe the injury mechanisms of the AM and its histoarchitecture, clinical characteristics, and imaging features in elite athletes. Case series; Level of evidence, 4. A total of 11 competitive athletes with an AM injury were included in the study. Each case was clinically assessed, and the diagnosis and classification were made by magnetic resonance imaging (MRI) according to the British Athletics Muscle Injury Classification (BAMIC) and mechanism, location, grade, and reinjury (MLG-R) classification. A 1-year follow-up was performed, and return-to-play (RTP) time was recorded. Different mechanisms of injury were found; most of the athletes (10/11) had flexion and internal rotation of the hip with extension or slight flexion of the knee. Symptoms consisted of pain in the posteromedial (7/11) or medial (4/11) thigh during adduction and flexion of the knee. Clinically, there was a suspicion of an injury to the AM in only 3 athletes. According to MRI, 5 lesions were located in the ischiocondylar portion (3 in the proximal and 2 in the distal myoconnective junction) and 6 in the pubofemoral portion (4 in the distal and 2 in the proximal myoconnective junction). Most of the ischiocondylar lesions were myotendinous (3/5), and most of the pubofemoral lesions were myofascial (5/6). The BAMIC and MLG-R classification coincided in distinguishing injuries of moderate and mild severity. The management was nonoperative in all cases. The mean RTP time was 14 days (range, 0-35 days) and was longer in the ischiocondylar cases than in the pubofemoral cases (21 vs 8 days, respectively). Only 1 recurrence, at <10 months, was recorded. Posteromedial thigh pain after an eccentric contraction during forced adduction of the thigh from hip internal rotation should raise a suspicion of AM lesions. The identification of the affected portion was possible on MRI. An injury in the ischiocondylar portion entailed a longer RTP time than an injury in the pubofemoral portion.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Adductor magnus injury ; BAMIC and MLG-R classification ; Hip ; MRI ; Pelvis ; Thigh
Publicat a:	Orthopaedic Journal of Sports Medicine, Vol. 11 (january 2023) , ISSN 2325-9671

DOI: 10.1177/23259671221138806
PMID: 36698789

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