Abstract
Jumping and balance are necessary skills for most athletes, and mini-trampoline training has been shown to improve them. Little is known about the acute effect of mini-trampoline jumping on jump performance and dynamic balance. Objectives: The purpose of this study is to investigate the effect of 6 maximal jumps on a mini-trampoline on countermovement vertical jump (CMVJ) variables and on balance parameters. Methods: Twenty one recreationally trained individuals participated in three testing sessions and were either allocated to a control group (N=10) or a trampoline group (N=11). All the participants performed a dynamic warm up prior to their assessments. Baseline CMVJ and balance assessments were measured. For the jump performance tests, the control group rested for 30s, and the trampoline group performed 6 maximal CMVJs on a mini-trampoline. Immediately following the trampoline jumps or the rest period, participants performed three jump trials. The jumping protocol was repeated every minute up to 5 minutes and balance was reassessed immediately after only. Results: There was no significant interaction of time by group and no group effects in all the jumping parameters, however, there was a significant increase in jump height (p <0.001) post-condition, and a significant decrease in peak power (p= 0.01) at the 4th minute for both groups. There was no significant interaction of time by condition, no time effect and no group effect (p>0.05) on the balance variables. Conclusion: These results do not support our hypothesis and show that trampoline jumping does not improve jump and balance performance acutely.
Highlights
Jumping is a crucial part of many sports, and the improvement of jumping performance has been largely studied
There was no significant interaction of time by group and no group effects in all the jumping parameters, there was a significant increase in jump height (p
There was no significant interaction of time by group (p > 0.05), and no group effect for all the variables Jump Height (JH), Peak Force (PF), Peak Velocity (PV), Peak Power (PP), Rate of Force Development (RFD)
Summary
Jumping is a crucial part of many sports, and the improvement of jumping performance has been largely studied. The American College of Sport Medicine includes balance training in its “physical activity guidelines” and considers it as a skill-related component of physical fitness (“Advanced Fitness Assessment and Exercise Prescription, Seventh Edition With Online Video,” 2014). It is considered as a coordinative characteristic that is necessary for daily simple activities, and for learning and performing the rapid position change movements that are required by many sports (Atilgan, 2013; Vuillerme et al, 2001), especially those that require complex motor skills like gymnastics (31). Conclusion: These results do not support our hypothesis and show that trampoline jumping does not improve jump and balance performance acutely
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