Is Biceps Femoris Aponeurosis Size an Independent Risk Factor for
                    Strain Injury?

Sandro R. Freitas; Filipe Abrantes; Francisco Santos; Vasco Mascarenhas; Raúl Oliveira; Telmo Firmino; Bruno Mendes; Mauricio Cerda; João R. Vaz

doi:10.1055/a-1028-7322

International Journal of Sports Medicine, Inhaltsverzeichnis

Int J Sports Med 2020; 41(08): 552-557
DOI: 10.1055/a-1028-7322

Orthopedics & Biomechanics

Is Biceps Femoris Aponeurosis Size an Independent Risk Factor for Strain Injury?

Sandro R. Freitas

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

,

Filipe Abrantes

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

,

Francisco Santos

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

,

Vasco Mascarenhas

²MSK Imaging Unit, Imaging Center, Hospital da Luz Lisboa, Lisboa, Portugal

,

Raúl Oliveira

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

,

Telmo Firmino

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

³Department of Human Performance, Sport Lisboa e Benfica, Lisboa, Portugal

⁴Fisioterapia, Escola Superior de Saude do Alcoitao, Alcabideche, Portugal

,

Bruno Mendes

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

,

Mauricio Cerda

⁵Anatomy and Developmental Biology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago de Chile, Chile

⁶Biomedical Neuroscience Institute, Independencia 1027, Santiago, Chile

,

João R. Vaz

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-002, Cruz Quebrada, Dafundo, Portugal

⁷Department of Biomechanics, University of Nebraska at Omaha, Omaha, United States

› Institutsangaben

Abstract

This study examined whether professional footballers with previous biceps femoris long head (BF_LH) injury in the last 3-years present a smaller proximal aponeurosis (Apo-BF_LH) size compared to footballers with no previous injury. We examined the Apo-BF_LH and BF_LH size using magnetic resonance imaging and tested the knee flexor maximal isometric strength in 80 thighs of 40 footballers. Apo-BF_LH size parameters were processed using a semi-automated procedure. Outcomes were compared between thighs with (n=9) vs. without (n=71) previous BF_LH injury. No differences were observed between injured and non-injured thighs for the Apo-BF_LH and BF_LH size parameters (p>0.05) except for Apo-BF_LH volume, which was higher in the non-injured thighs of athletes with previous injury (3692.1±2638.4 mm3, p<0.006) compared to the left (2274.1±798.7 mm3) thighs of athletes without previous injury. A higher knee flexor isometric strength was observed in the injured limb of athletes with previous BF_LH injury (196.5±31.9 Nm, p<0.003) compared to the left (156.2±31.4 Nm) and right (160.0±31.4 Nm) thighs of non-injured athletes. The present results suggest that BF_LH proximal aponeurosis size should not be considered as an independent risk factor for strain injury.

Key words

hamstring - morphology - footballers - professional football - strain - tear

Volltext

Referenzen

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