The apparent lack of improvement in quadriceps strength supports the notion that this muscle group needs targeted overload training to develop sufficient strength among girls. Dvir Z, David G. Review of Literature and Results of Own Research. A Pre-Post Controlled Study. Obesity as an independent risk factor for cardiovascular disease: Collectively, the players yo had significantly greater relative hamstrings and quadriceps strength than the athletes yo. The obesity paradox, weight loss, and coronary disease. Isokinetic strength characteristics of the quadriceps femoris and hamstring muscles in high school students. Geneva, World Health Organization:
With a sample of 16 boys and 31 girls who were 15 yo and active in a variety of sports, Holmes and Alderink16 also reported boys had greater relative strength in both hamstrings and quadriceps. Granted, most girls and boys differ notably in body composition and testosterone levels after puberty, with most boys being stronger than most girls within age and sport groupings. The absence of differences in the H: Iso-kinetic muscle performance in healthy female handball players and players with a unilateral anterior cruciate ligament reconstruction. Details about the onset of regular strength training and the types of training for athletic girls and boys need to be clarified. Another question is if increasing the relative quadriceps strength of girls and women, while not neglecting the strength of other muscles affecting the knee, would improve their ability to stiffen the knee. In vivo knee stability: Anterior cruciate ligament injury patterns among collegiate men and women. The prepubescent boys and girls had similar peak hamstrings and quadriceps torques normalized to lean body weight. Anderson et al12 found significant sex differences in H: However, there are other significant factors influencing the risk of fractures. Besides contributing to the movements needed for sport-related tasks, muscular contraction contributes to joint stiffness, which may protect against injury. Q ratios could have differed considerably in relative strength. American Psychological Association; No sponsors funded nor had any decision in the development, review or submission of this article. Evaluation of the potential use of trabecular bone score to complement bone mineral density in the diagnosis of osteoporosis: Accessed July 25, NCAA data and review of literature. Q ratios or homologous quadriceps and hamstrings ratios among these basketball players, which suggests such ratios do not sufficiently characterize muscular function. Closer comparisons of our findings with other studies are limited due to the few studies of youth and female athletes, and differences in iso-kinetic testing methods. Metabolic syndrome and risk of acute myocardial Infarction a case control study of 26, subjects from 52 countries. Although boys and girls did not differ when pooled across ages, we observed an interaction effect for relative quadriceps strength. Lawrence Erlboum Associates, Inc; Although girls yo were somewhat stronger than boys yo, these differences were not significant D, N Engl J Med. Sex differences in acute coronary syndrome symptom presentation in young patients.
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