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Full-Text Articles in Life Sciences

New Multisite Bioelectrical Impedance Device Compared To Hydrostatic Weighing And Skinfold Body Fat Methods, Andrew D. Wells, Bryanne N. Bellovary, Jonathan M. Houck, Jeremy B. Ducharme, Abdulaziz Abdulrahman A. Masoud, Ann L. Gibson, Christine M. Mermier Oct 2020

New Multisite Bioelectrical Impedance Device Compared To Hydrostatic Weighing And Skinfold Body Fat Methods, Andrew D. Wells, Bryanne N. Bellovary, Jonathan M. Houck, Jeremy B. Ducharme, Abdulaziz Abdulrahman A. Masoud, Ann L. Gibson, Christine M. Mermier

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 1718-1728, 2020. The purpose of this study was to compare the Skulpt Chisel™ to seven-site skinfold (SKF) and hydrostatic weighing (HW) body fat percentage (%BF) estimates. Twenty-six participants (aged 24 ± 4 years; BMI 23.1 ± 3.5 kg∙m-2) were assessed. Significant differences in %BF estimates were found for all methodological pairings; p < 0.05. The SKF method underestimated %BF compared to HW (-2.52 ± 3.42 %BF). The Skulpt Chisel™ overestimated %BF compared to both HW (3.38 ± 6.10 %BF) and SKF (5.90 ± 5.26 %BF). Limits of agreement comparing HW to Skulpt Chisel™ indicated a difference between 95% confidence interval bounds (Upper bound: 5.84 %BF, Lower bound 0.92 %BF) and for HW to SKF (Upper bound: -1.14 %BF, Lower bound: -3.91 %BF). Regression analysis showed no significant bias for any methodological pairing; (p > 0.05). In conclusion, the Skulpt Chisel™ method should be used with caution when evaluating %BF of adults with similar demographics reported in this study.


Evaluation Of Strength Training Effects On Neuromuscular System In Soccer Players In Pre-Competitive Period, Nathália Arnosti Vieira, João Paulo Borin, Antonio Carlos Gomes Mar 2012

Evaluation Of Strength Training Effects On Neuromuscular System In Soccer Players In Pre-Competitive Period, Nathália Arnosti Vieira, João Paulo Borin, Antonio Carlos Gomes

International Journal of Exercise Science: Conference Proceedings

The evaluation of training programs in soccer modality in various moments of periodization is important in the sports preparation control process. So in this way, this study aimed to investigate neuromuscular adaptations during strength training in professional soccer game in pre-competitive period. 15 professional soccer players, aged between 18 and 28 years participated of this study. Initially they were submitted to explosive strength test (Squat Jump), speed resistance (RAST) and displacement velocity (10 and 30m). Two evaluations were performed: one in the beginning of the study (M1), and the other (M2) after 12 weeks. In the first 6 weeks speed …