INTRODUCTION: One way to understand better sport performance is analyzing well-succeeded athletes. The aim of this study was to describe a multidisciplinary profile of a female young athlete who broke the 100m backstroke South American record (time = 01:02.29s). METHODS: A junior swimming female athlete was submitted to the 10s threatened swimming test, three vertical jumping tests, Brunel Mood Scale test (BRUMS), anthropometrical and body composition measurements, multi joint range of motion, a maximal muscle strength (1-RM) for bench press, half squat and strict pull-up exercises. All tests were obtained in three experimental sessions interspersed from 24 to 48 hours, one week before the South American Youth Championship of swimming, in 2021. A logarithmic scale was applied to the variables so that a measurement unit does not interfere in the interpretation of results. The profile of the multidisciplinary athlete was drawn using the radar chart. RESULTS: The mean and the peak force during the threatened swimming were 92.4N and 182.2N, respectively. The high vertical jumping was 32.1cm, 35.2cm, and 46.2cm for the squat jump, countermovement jump and Abalakov test, respectively. The BRUMS scale presented values of 43,45,45,62,51 and 42 points for tension, depression, race, vigor, fatigue and confusion, respectively. The sum of seven skinfolds, as proposed by ISAK, of athlete was 84.5mm; Body mass=58.3Kg, body height=1.68m; lean mass index=30.16; body fat=14.6%; and arm-span=1.73m. The 1-RM was 53Kg for bench press, 86Kg half squat, and 62.3Kg for barbell. The respective right and left range of motion was 38.3° and 40° for shoulder internal rotation; 130° and 116° for shoulder external rotation; 5° and 12° for dorsi-flexors; 70° and 70° for plantar flexors; and 6.9° and 7.5° for knee hyperextension. CONCLUSION: The profile described in the present study is a tool for helping coaches and sports professionals to understand the variables fluctuations across the next seasons and to make better decision concerning the long-term training process during the athlete`s career. Finally, this result may be used for comparison with other top elite athletes aiming to reach the best perform.
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