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Erschienen in: Knee Surgery, Sports Traumatology, Arthroscopy 9/2015

01.09.2015 | Sports Medicine

Assessment of neuromuscular risk factors for anterior cruciate ligament injury through tensiomyography in male soccer players

verfasst von: Eduard Alentorn-Geli, Pedro Alvarez-Diaz, Silvia Ramon, Miguel Marin, Gilbert Steinbacher, Juan José Boffa, Xavier Cuscó, Jordi Ballester, Ramon Cugat

Erschienen in: Knee Surgery, Sports Traumatology, Arthroscopy | Ausgabe 9/2015

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Abstract

Purpose

To investigate the role of mechanical and contractile properties of skeletal muscles of the thigh, assessed through tensiomyography (TMG), as risk factors for anterior cruciate ligament (ACL) injury in male soccer players.

Methods

Male soccer players with confirmed ACL tear included in this study underwent resting TMG assessment of thigh muscles of the uninjured side. The same values were obtained from a sex-, sports level-matched control group in both sides. The maximal displacement (Dm), delay time (Td), contraction time (Tc), sustained time (Ts), and half-relaxation time (Tr) were obtained for the following muscles in all subjects: vastus medialis (VM), vastus laterals (VL), rectus femoris (RF), semitendinosus (ST), and biceps femoris (BF). TMG values of the uninjured side in ACL-injured group were compared to mean values between both sides in the control subjects.

Results

There were 40 ACL-injured and 38 control individuals. The vast majority of TMG parameters were higher in the uninjured side of ACL-injured individuals compared to the control group. The VLTr, RFTc, RFTs, RFTr, and BFDm values were significantly higher in the uninjured side compared to the control group. Quadriceps muscles demonstrated more significant between-group differences than hamstring muscles. Specifically, RF was the muscle where most significant between-group differences were found.

Conclusions

Resistance to fatigue and muscle stiffness in the hamstring muscles may be risk factors for ACL injury in male soccer players. In addition, a predominant impairment in TMG characteristics of the quadriceps over hamstrings may indicate an altered muscular co-contraction (imbalance) between both muscle groups, which might be another risk factor for ACL injury in this population. These findings should be taken into account when screening athletes at high risk of ACL injury and also to design adequate prevention programs for ACL injury in male soccer players.

Level of evidence

Prognostic study, Level II.
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Metadaten
Titel
Assessment of neuromuscular risk factors for anterior cruciate ligament injury through tensiomyography in male soccer players
verfasst von
Eduard Alentorn-Geli
Pedro Alvarez-Diaz
Silvia Ramon
Miguel Marin
Gilbert Steinbacher
Juan José Boffa
Xavier Cuscó
Jordi Ballester
Ramon Cugat
Publikationsdatum
01.09.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Knee Surgery, Sports Traumatology, Arthroscopy / Ausgabe 9/2015
Print ISSN: 0942-2056
Elektronische ISSN: 1433-7347
DOI
https://doi.org/10.1007/s00167-014-3018-1

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