Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump
Lagares L, Silva M, Macedo R, Lino R, Santos F, Ide B, Almeida L, Bomfim E, Santos C. Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump. JEPonline 2018;24(6):1-10. The purpose of this study was to test the hypothesis that Dynamic Knee Valgus (DK...
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| creator | Lagares, Laura S Silva, Mariana de S.P Macedo, Rodrigo de C. de Lino, Ramon S Santos, Felipe N.A. dos Ide, Bernardo N Almeida, Luis Alberto B. de Bomfim, Eric S Santos, Clarcson P.C. dos |
| description | Lagares L, Silva M, Macedo R, Lino R, Santos F, Ide B, Almeida L, Bomfim E, Santos C. Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump. JEPonline 2018;24(6):1-10. The purpose of this study was to test the hypothesis that Dynamic Knee Valgus (DKV) decreased performance in the Countermovement Jump (CMJ) and the Squat Jump (SJ) in judo athletes. Anthropometric measurements of body mass and height were collected, the DKV was analyzed during the Step-Down Test, and the power of the lower limbs was assessed using a contact platform during the CMJ and the SJ. The sample consisted of 39 male judo athletes of which 61.5% had DKV. In the analysis of the maximum height reached between the CMJ and the SJ in the group without DKV, significant differences (P |
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Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump. JEPonline 2018;24(6):1-10. The purpose of this study was to test the hypothesis that Dynamic Knee Valgus (DKV) decreased performance in the Countermovement Jump (CMJ) and the Squat Jump (SJ) in judo athletes. Anthropometric measurements of body mass and height were collected, the DKV was analyzed during the Step-Down Test, and the power of the lower limbs was assessed using a contact platform during the CMJ and the SJ. The sample consisted of 39 male judo athletes of which 61.5% had DKV. In the analysis of the maximum height reached between the CMJ and the SJ in the group without DKV, significant differences (P<0.05) and a large effect size (Cohen's d = 1.55) were observed. In the group with DKV, no significant differences were found (P>0.05), in addition to a small effect size (Cohen's d = 0.47). In muscle power, significant differences were observed in the intergroup CMJ (P<0.05) and between the CMJ and the SJ in the group without DKV (P<0.05). Hence, it appears that DKV does not reduce performance in the countermovement jump and the squat jump. 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Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump. JEPonline 2018;24(6):1-10. The purpose of this study was to test the hypothesis that Dynamic Knee Valgus (DKV) decreased performance in the Countermovement Jump (CMJ) and the Squat Jump (SJ) in judo athletes. Anthropometric measurements of body mass and height were collected, the DKV was analyzed during the Step-Down Test, and the power of the lower limbs was assessed using a contact platform during the CMJ and the SJ. The sample consisted of 39 male judo athletes of which 61.5% had DKV. In the analysis of the maximum height reached between the CMJ and the SJ in the group without DKV, significant differences (P<0.05) and a large effect size (Cohen's d = 1.55) were observed. In the group with DKV, no significant differences were found (P>0.05), in addition to a small effect size (Cohen's d = 0.47). In muscle power, significant differences were observed in the intergroup CMJ (P<0.05) and between the CMJ and the SJ in the group without DKV (P<0.05). Hence, it appears that DKV does not reduce performance in the countermovement jump and the squat jump. 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Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump. JEPonline 2018;24(6):1-10. The purpose of this study was to test the hypothesis that Dynamic Knee Valgus (DKV) decreased performance in the Countermovement Jump (CMJ) and the Squat Jump (SJ) in judo athletes. Anthropometric measurements of body mass and height were collected, the DKV was analyzed during the Step-Down Test, and the power of the lower limbs was assessed using a contact platform during the CMJ and the SJ. The sample consisted of 39 male judo athletes of which 61.5% had DKV. In the analysis of the maximum height reached between the CMJ and the SJ in the group without DKV, significant differences (P<0.05) and a large effect size (Cohen's d = 1.55) were observed. In the group with DKV, no significant differences were found (P>0.05), in addition to a small effect size (Cohen's d = 0.47). In muscle power, significant differences were observed in the intergroup CMJ (P<0.05) and between the CMJ and the SJ in the group without DKV (P<0.05). Hence, it appears that DKV does not reduce performance in the countermovement jump and the squat jump. Key Words: Dynamic Knee Valgus, Knee Kinetics, Knee Valgus, Sports Performance</abstract><cop>Duluth</cop><pub>American Society of Exercise Physiologists</pub></addata></record> |
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| subjects | Knee |
| title | Dynamic Knee Valgus and its Relationship with Performance in the Countermovement Jump and the Squat Jump |
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