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Categorizing 10 Sports According to Bone and Soft Tissue Profiles in Adolescents

2020; Lippincott Williams & Wilkins; Volume: 52; Issue: 12 Linguagem: Inglês

10.1249/mss.0000000000002420

1530-0315

Ricardo Ribeiro Agostinete, Rômulo Araújo Fernandes, Pedro Henrique Narciso, Santiago Maillane-Vanegas, André O. Werneck, Dimitris Vlachopoulos,

Sports Performance and Training

ABSTRACT Purpose Considering the different loading and training characteristics of the sports practiced during growth, it is important to specify and categorize the bone and soft tissue adaptations in adolescent athletes. This study aimed to categorize 10 different loading sports and a nonsport group and identify the differences in bone density and soft tissues. Methods The sample included 625 adolescents (10 to 17 yr of age) of 10 sports (soccer, basketball, volleyball, track and field, judo, karate, kung fu, gymnastics, baseball, and swimming) and a nonsport group. Dual-energy x-ray absorptiometry assessed areal bone mineral density (aBMD), bone mineral apparent density (BMAD), and soft tissues (lean soft tissue and fat mass). The results were adjusted for sex, peak height velocity status, lean soft tissue, fat mass, and weekly training volume. Results The comparisons among groups showed that soccer had the highest whole-body aBMD (mean ± SEM: 1.082 ± 0.007 g·cm −2 ) and lower limb aBMD (1.302 ± 0.010 g·cm −2 ). Gymnastics presented the highest upper limb aBMD (0.868 ± 0.012 g·cm −2 ) and whole-body BMAD (0.094 ± 0.001 g·cm −3 ). Swimming presented the lowest aBMD values in all skeletal sites (except at the upper limbs) and whole-body BMAD. The soft tissue comparisons showed that soccer players had the highest lean soft tissue (43.8 ± 0.7 kg). The lowest fat mass was found in gymnasts (8.04 ± 1.0 kg). Conclusion The present study investigated and categorized for the first time 10 different sports according to bone density and soft tissue profiles. Soccer and gymnastics sport groups were found to have the highest bone density in most body segments, and both sports were among the groups with the lowest fat mass.