{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T02:31:21Z","timestamp":1782873081392,"version":"3.54.5"},"reference-count":62,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2022,12,19]],"date-time":"2022-12-19T00:00:00Z","timestamp":1671408000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Studies analyzing tennis players\u2019 body composition and morphological and bioelectrical characteristics are scarce, especially among adolescents. This study aimed to explore sex- and age-based differences in body composition, somatotype, and bioelectrical properties among elite young male and female tennis players aged 13\u201316 years. Twenty-two male (14.45 \u00b1 1.10 years) and 20 female (14.30 \u00b1 1.03 years) elite tennis players participated in this study and were compared according to sex (males vs. females) and, within each sex, according to age (13\u201314 years vs. 15\u201316 years). Female adolescent elite tennis players had higher body fat (BF) percentage and higher endomorphy than males. They also had lower skeletal muscle mass and total body water (TBW) percentages. Older boys had lower resistance and a higher TBW and phase angle (PhA) than younger boys, likely due to maturation and performance. No significant differences were found between younger and older girls, except for the PhA, potentially associated with better cell function and performance. This study provides valuable reference data for coaches of elite youth tennis players. Due to the few differences found in body composition and somatotype in the different age groups, the PhA may be used by practitioners as a reference for cell function and performance.<\/jats:p>","DOI":"10.3390\/ijerph192417045","type":"journal-article","created":{"date-parts":[[2022,12,19]],"date-time":"2022-12-19T05:55:43Z","timestamp":1671429343000},"page":"17045","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Body Composition, Somatotype and Raw Bioelectrical Impedance Parameters of Adolescent Elite Tennis Players: Age and Sex Differences"],"prefix":"10.3390","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5062-5592","authenticated-orcid":false,"given":"Antonio J.","family":"Berral-Aguilar","sequence":"first","affiliation":[{"name":"CTS-595 Research Group, Department of Informatics and Sports, University Pablo de Olavide, 41014 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susana","family":"Schr\u00f6der-Vilar","sequence":"additional","affiliation":[{"name":"Tennis Empowerment Center (T.E.C.) Carles Ferrer Salat, Can Marl\u00e9s, 08960 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4486-0040","authenticated-orcid":false,"given":"Daniel","family":"Rojano-Ortega","sequence":"additional","affiliation":[{"name":"CTS-595 Research Group, Department of Informatics and Sports, University Pablo de Olavide, 41014 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3552-8262","authenticated-orcid":false,"given":"Francisco J.","family":"Berral-de la Rosa","sequence":"additional","affiliation":[{"name":"CTS-595 Research Group, Department of Informatics and Sports, University Pablo de Olavide, 41014 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,19]]},"reference":[{"key":"ref_1","unstructured":"International Tennis Federation ITF (2022, October 02). Key Findings. 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