ANTHROPOMETRIC CHARACTERISTICS AND PERFORMANCE CAPABILITIES OF HIGHLY TRAINED MOTOCROSS ATHLETES COMPARED WITH PHYSICALLY ACTIVE MEN

作者：Bach Christopher W; Brown Ann F; Kinsey Amber W; Orm**ee Michael J^*

来源：Journal of Strength and Conditioning Research, 2015, 29(12): 3392-3398.

DOI：10.1519/JSC.0000000000000988

• human performance
• aerobic
• power
• endurance
• strength

Bach, CW, Brown, AF, Kinsey, AW, and Ormsbee, MJ. Anthropometric characteristics and performance capabilities of highly trained motocross athletes compared with physically active men. J Strength Cond Res 29( 12): 3392-3398, 2015-Motocross ( MX) is a physically demanding sport with little research concerning the physiological characteristics of these athletes. The purpose of this study was to assess the anthropometric characteristics and performance capabilities of highly trained MX athletes ( n = 20; 19 +/- 1.6 years) compared with age-matched physically active (PA) men ( n = 22; 22 +/- 2.9 years). Testing was performed on 2 occasions. The initial visit consisted of a personality assessment in addition to the following ( in order): anthropometrics, body composition, anaerobic power/fatigue, isokinetic/isometric strength and fatigue, and flexibility. The second visit consisted of peak oxygen uptake ( VO2peak), handgrip strength, maximum push-ups in 1 minute, extended arm hang time to exhaustion ( TTE), and 90 degrees weighted wall-sit tests. All anthropometric and performance data were analyzed using independent samples t-tests to compare group means. Significance was set at p <= 0.05. Data are reported as mean +/- SD. There were no significant differences between groups in anthropometric or body composition measurements except android fat ( MX: 11.7 +/- 1.9% vs. PA: 16.4 +/- 8.4%, p = 0.04) and biceps circumference (MX: 30.1 +/- 2.0 vs. PA: 33.1 +/- 3.2 cm, p = 0.001). MX had significantly higher absolute and relative mean anaerobic power ( 747.3 +/- 63.7 vs. 679.7 +/- 93.5 W, p = 0.009 and 10.0 +/- 0.6 vs. 9.2 +/- 1.3 W center dot kg(-1), p = 0.002, respectively), relative anaerobic peak power ( 12.7 +/- 0.8 vs. 11.9 +/- 1.4 W center dot kg(-1), p = 0.029), TTE ( 550.1 +/- 70.6 vs. 470.1 +/- 93.2 seconds, p = 0.004), and extended arm hang duration ( 113.3 +/- 44.9 vs. 73.4 +/- 25.3 seconds, p = 0.001). These results suggest highly trained MX athletes possess certain physiological adaptations that likely result from sportspecific demands compared with PA.

• 出版日期2015-12