Control Strategy of Maximum Vertical Jumps: the Preferred Countermovement Depth May Not Be Fully Optimized for Jump Height
Abstract
The aim of the present study was to explore the control strategy of maximum countermovement jumps regarding the preferred countermovement depth preceding the concentric jump phase. Elite basketball players and physically active non-athletes were tested on the jumps performed with and without an arm swing, while the countermovement depth was varied within the interval of almost similar to 30 cm around its preferred value. The results consistently revealed 5.1-11.2 cm smaller countermovement depth than the optimum one, but the same difference was more prominent in non-athletes. In addition, although the same differences revealed a marked effect on the recorded force and power output, they reduced jump height for only 0.1-1.2 cm. Therefore, the studied control strategy may not be based solely on the countermovement depth that maximizes jump height. In addition, the comparison of the two groups does not support the concept of a dual-task strategy based on the trade-off between maximizing j...ump height and minimizing the jumping quickness that should be more prominent in the athletes that routinely need to jump quickly. Further research could explore whether the observed phenomenon is based on other optimization principles, such as the minimization of effort and energy expenditure. Nevertheless, future routine testing procedures should take into account that the control strategy of maximum countermovement jumps is not fully based on maximizing the jump height, while the countermovement depth markedly confound the relationship between the jump height and the assessed force and power output of leg muscles.
Keywords:
dual-task / trade-of / optimum / quickness / force / powerSource:
Journal of Human Kinetics, 2016, 52, 1, 85-94Publisher:
- De Gruyter Open Ltd, Warsaw
Funding / projects:
- Noninvasive modulation of cortical excitability and plasticity - Noninvasive neuromodulation of the CNS in the study of physiological mechanisms, diagnosis and treatment (RS-175012)
- Muscular and Neural Factors of Human Locomotion and their Adaptation (RS-175037)
DOI: 10.1515/hukin-2015-0196
ISSN: 1640-5544
PubMed: 28149396
WoS: 000384106700008
Scopus: 2-s2.0-84988660869
Collections
Institution/Community
Institut za medicinska istraživanjaTY - JOUR AU - Mandić, Radivoj AU - Knežević, Olivera AU - Mirkov, Dragan M. AU - Jarić, Slobodan PY - 2016 UR - http://rimi.imi.bg.ac.rs/handle/123456789/734 AB - The aim of the present study was to explore the control strategy of maximum countermovement jumps regarding the preferred countermovement depth preceding the concentric jump phase. Elite basketball players and physically active non-athletes were tested on the jumps performed with and without an arm swing, while the countermovement depth was varied within the interval of almost similar to 30 cm around its preferred value. The results consistently revealed 5.1-11.2 cm smaller countermovement depth than the optimum one, but the same difference was more prominent in non-athletes. In addition, although the same differences revealed a marked effect on the recorded force and power output, they reduced jump height for only 0.1-1.2 cm. Therefore, the studied control strategy may not be based solely on the countermovement depth that maximizes jump height. In addition, the comparison of the two groups does not support the concept of a dual-task strategy based on the trade-off between maximizing jump height and minimizing the jumping quickness that should be more prominent in the athletes that routinely need to jump quickly. Further research could explore whether the observed phenomenon is based on other optimization principles, such as the minimization of effort and energy expenditure. Nevertheless, future routine testing procedures should take into account that the control strategy of maximum countermovement jumps is not fully based on maximizing the jump height, while the countermovement depth markedly confound the relationship between the jump height and the assessed force and power output of leg muscles. PB - De Gruyter Open Ltd, Warsaw T2 - Journal of Human Kinetics T1 - Control Strategy of Maximum Vertical Jumps: the Preferred Countermovement Depth May Not Be Fully Optimized for Jump Height EP - 94 IS - 1 SP - 85 VL - 52 DO - 10.1515/hukin-2015-0196 UR - conv_3850 ER -
@article{ author = "Mandić, Radivoj and Knežević, Olivera and Mirkov, Dragan M. and Jarić, Slobodan", year = "2016", abstract = "The aim of the present study was to explore the control strategy of maximum countermovement jumps regarding the preferred countermovement depth preceding the concentric jump phase. Elite basketball players and physically active non-athletes were tested on the jumps performed with and without an arm swing, while the countermovement depth was varied within the interval of almost similar to 30 cm around its preferred value. The results consistently revealed 5.1-11.2 cm smaller countermovement depth than the optimum one, but the same difference was more prominent in non-athletes. In addition, although the same differences revealed a marked effect on the recorded force and power output, they reduced jump height for only 0.1-1.2 cm. Therefore, the studied control strategy may not be based solely on the countermovement depth that maximizes jump height. In addition, the comparison of the two groups does not support the concept of a dual-task strategy based on the trade-off between maximizing jump height and minimizing the jumping quickness that should be more prominent in the athletes that routinely need to jump quickly. Further research could explore whether the observed phenomenon is based on other optimization principles, such as the minimization of effort and energy expenditure. Nevertheless, future routine testing procedures should take into account that the control strategy of maximum countermovement jumps is not fully based on maximizing the jump height, while the countermovement depth markedly confound the relationship between the jump height and the assessed force and power output of leg muscles.", publisher = "De Gruyter Open Ltd, Warsaw", journal = "Journal of Human Kinetics", title = "Control Strategy of Maximum Vertical Jumps: the Preferred Countermovement Depth May Not Be Fully Optimized for Jump Height", pages = "94-85", number = "1", volume = "52", doi = "10.1515/hukin-2015-0196", url = "conv_3850" }
Mandić, R., Knežević, O., Mirkov, D. M.,& Jarić, S.. (2016). Control Strategy of Maximum Vertical Jumps: the Preferred Countermovement Depth May Not Be Fully Optimized for Jump Height. in Journal of Human Kinetics De Gruyter Open Ltd, Warsaw., 52(1), 85-94. https://doi.org/10.1515/hukin-2015-0196 conv_3850
Mandić R, Knežević O, Mirkov DM, Jarić S. Control Strategy of Maximum Vertical Jumps: the Preferred Countermovement Depth May Not Be Fully Optimized for Jump Height. in Journal of Human Kinetics. 2016;52(1):85-94. doi:10.1515/hukin-2015-0196 conv_3850 .
Mandić, Radivoj, Knežević, Olivera, Mirkov, Dragan M., Jarić, Slobodan, "Control Strategy of Maximum Vertical Jumps: the Preferred Countermovement Depth May Not Be Fully Optimized for Jump Height" in Journal of Human Kinetics, 52, no. 1 (2016):85-94, https://doi.org/10.1515/hukin-2015-0196 ., conv_3850 .