title: Effect of a Trampoline Exercise on the Anthropometric Measures and Motor Performance of Adolescent Students.
abstract: BACKGROUND
  Physical exercises can influence some anthropometric and fitness components differently. The aim of present study was to evaluate how a relatively long-term training program in 11-14-year-old male Iranian students affects their anthropometric and motor performance measures.
  
  
  METHODS
  Measurements were conducted on the anthropometric and fitness components of participants (n = 28) prior to and following the program. They trained 20 weeks, 1.5 h/session with 10 min rest, in 4 times trampoline training programs per week. Motor performance of all participants was assessed using standing long jump and vertical jump based on Eurofit Test Battery.
  
  
  RESULTS
  The analysis of variance (ANOVA) repeated measurement test showed a statistically significant main effect of time in calf girth P = 0.001, fat% P = 0.01, vertical jump P = 0.001, and long jump P = 0.001. The ANOVA repeated measurement test revealed a statistically significant main effect of group in fat% P = 0.001. Post hoc paired t-tests indicated statistical significant differences in trampoline group between the two measurements about calf girth (t = -4.35, P = 0.001), fat% (t = 5.87, P = 0.001), vertical jump (t = -5.53, P = 0.001), and long jump (t = -10.00, P = 0.001).
  
  
  CONCLUSIONS
  We can conclude that 20-week trampoline training with four physical activity sessions/week in 11-14-year-old students seems to have a significant effect on body fat% reduction and effective results in terms of anaerobic physical fitness. Therefore, it is suggested that different training model approach such as trampoline exercises can help students to promote the level of health and motor performance.
authors: Department of Motor Behavior, Faculty of Physical Education and Sport Science, University of Urmia, Urmia, Iran.
authors: Bahman
authors: B
authors: Aalizadeh
authors: Department of Motor Behavior, Faculty of Physical Education and Sport Science, University of Urmia, Urmia, Iran.
authors: Hassan
authors: H
authors: Mohammadzadeh
authors: Department of Exercise Physiology Ardabil Branch, Islamic Azad University, Ardabil, Iran.
authors: Ali
authors: A
authors: Khazani
authors: Department of Exercise Physiology Sanandaj Branch, Islamic Azad University, Sanandaj, Iran.
authors: Ali
authors: A
authors: Dadras
keywords: Fat; jump; physical ability; students; trampoline exercise