Avaliação física e antropométrica de estudantes com e sem menarca na região de Tucuruí/Pará, Brasil

Abstract

It was our objective to evaluate the anthropometric variables and the physical qualities in girls with menarche and withoutmenarche from public school of Tucuruí-PA, with11to12years old. Ninety-eight girlsaged 11 and 105 aged 12 yearswereevaluated girls and divided into two groups: girls withmenarche and girls without menarche. Weight and height, body mass index (BMI), body composition of two skinfolds (triceps and subscapular)were registered. Also, were assessedthe performance inshuttleRun, horizontal jump, 1609 metersrunning,a 30 meters’sprint run and a 3kg medicine ball throwing. After normality testingwith the Kolmogorov Smirnov a ttest for independent sampleswas computed or theMann-Whitney test. Alpha value was set at0.05. All calculations were computedusing SPSS for Windows 15.0. It wasfound significant differences in body mass (44.05 and 37.85 kg) and height (1.48 and 1.42m)between groupsamong 11 years old girls. Inthe12 yearsold girlsno significant differences were found between groupsin relation to height (1.51 and 1.44m), BMI (19.86 and 18.49 kg/m2), horizontal jump(135.49 and 129.40cm), medicine ball throwing(238.29 and 207.42cm), 1.609 metersrunning(11.30 and 10.37m) and predicted VO2max (33.67 and 36.055 ml.kg-1.min-1). Girlswith menstrual cycle had higher values than theircounterpartsin anthropometric measurements and in the medicine ball throwing.