V Moreno-Pérez1, B Travassos2, A Calado3, O Gonzalo-Skok4, J Del Coso5, A Mendez-Villanueva6. 1. Sports Research Centre, Miguel Hernandez University of Elche, Avda. de La Universidad s/n, 03202, Elche, Alicante, Spain. Electronic address: vmoreno@goumh.es. 2. Departamento de Ciências do Desporto, Universidade da Beira Interior, Convento de Sto. António. 6201-001, Covilhã, Portugal. Electronic address: brunotravassos@hotmail.com. 3. Rio Ave Rendimento, Rio Ave FC, Rua Sancho I, Estadio do Rio Ave, 4489-876, Vila do Conde, Portugal. Electronic address: acalado1981@hotmail.com. 4. Faculty of Health Sciences, University of San Jorge of Zaragoza, Villanueva de Gállego, 50830, Zaragoza, Spain. Electronic address: oligons@hotmail.com. 5. Exercise Physiology Laboratory, Camilo José Cela University, Sport Sciences Institute Castillo de Alarcón, 49, Villafranca del Castillo, None, 28692, Spain. Electronic address: jdelcoso@ucjc.edu. 6. Qatar Football Association, Doha, Qatar. Electronic address: amendezvillanueva@yahoo.com.
Abstract
OBJECTIVE: To examining the relationship between hip adductor strength and groin injury incidence during the competitive season of professional football teams. DESIGN: Prospective Cohort study. SETTING: Controlled laboratory environment. PARTICIPANTS: Seventy-one players volunteered to participate. MAIN OUTCOME MEASURES: In the pre-season, maximal hip adductor strength was measured by means of the isometric adductor squeeze test. Hip adductor strength, normalized by body mass, was compared between players who suffered a groin injury (n = 18) vs uninjured players (n = 53). Risk ratios (RR) were used to evaluate the likelihood of players to suffer this type of injury. RESULTS: Most of the reported groin injuries occurred during competitive matches (5.5 per 1000 match hours). Maximal isometric hip adductor strength was lower in the groin-injured group compared with their uninjured counterparts (429.8 ± 100 vs 564 ± 58.7 N, d = -1.58 and 5.40 ± 1.27 vs 7.71 ± 0.89 N/kg, d = -1.88, respectively). Results revealed that values of maximal isometric adductor strength lower than 465.33 N increased the probability to suffer a groin injury by 72%. Furthermore, values of force relative to body mass lower than 6.971 N/kg increased the probability to suffer a groin injury by 83%. CONCLUSION: The assessment of Hip adductor strength, in addition to other measurements, might help practitioners to determine the probability of suffering an overuse groin injuries in elite football players.
OBJECTIVE: To examining the relationship between hip adductor strength and groin injury incidence during the competitive season of professional football teams. DESIGN: Prospective Cohort study. SETTING: Controlled laboratory environment. PARTICIPANTS: Seventy-one players volunteered to participate. MAIN OUTCOME MEASURES: In the pre-season, maximal hip adductor strength was measured by means of the isometric adductor squeeze test. Hip adductor strength, normalized by body mass, was compared between players who suffered a groin injury (n = 18) vs uninjured players (n = 53). Risk ratios (RR) were used to evaluate the likelihood of players to suffer this type of injury. RESULTS: Most of the reported groin injuries occurred during competitive matches (5.5 per 1000 match hours). Maximal isometric hip adductor strength was lower in the groin-injured group compared with their uninjured counterparts (429.8 ± 100 vs 564 ± 58.7 N, d = -1.58 and 5.40 ± 1.27 vs 7.71 ± 0.89 N/kg, d = -1.88, respectively). Results revealed that values of maximal isometric adductor strength lower than 465.33 N increased the probability to suffer a groin injury by 72%. Furthermore, values of force relative to body mass lower than 6.971 N/kg increased the probability to suffer a groin injury by 83%. CONCLUSION: The assessment of Hip adductor strength, in addition to other measurements, might help practitioners to determine the probability of suffering an overuse groin injuries in elite football players.
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