Effects of a Strength Training Program in Inertial Machines on Bosco Test in Youth Volleyball Players
NCT ID: NCT06159036
Last Updated: 2023-12-06
Study Results
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Basic Information
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COMPLETED
NA
30 participants
INTERVENTIONAL
2022-09-26
2023-02-01
Brief Summary
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Methodology: A quasi-experimental study of quantitative order was carried out and takes up an empirical-analytical approach, quasi-experimental with pre-test - post-test evaluation. 32 female volleyball players, belonging to the minor category of the Fénix G Club of the city of Cartago Valle
Results: Both groups showed significant improvements in jump height, flight time, strength and power in the protocol that was carried out during the 12 weeks of intervention, but there was no statistically significant difference between the control groups (P = 0.356). , experimental (P = 0.984)
Conclusions:
Keywords: Inertial machines, Squat jump, Countermovent Jump, Abalakov
Detailed Description
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Methodology: A quasi-experimental study of quantitative order was carried out and takes up an empirical-analytical approach, quasi-experimental with pre-test - post-test evaluation. 32 female volleyball players, belonging to the minor category of the Fénix G Club of the city of Cartago Valle. The techniques that were used were: survey to determine previous injuries, adaptations that athletes may have against strength training and practice time in volleyball, observations were also developed to determine the levels of jumpability of each player, taking into account the Bosco's battery (3). For this we used:
* My jumps 2 application for IOS devices, it was used to determine the height of the CMJ, SJ, CMJ or ABK, this app was validated in 2015 by the creator, Dr. Carlos Balsalobre (15).
* Wheeler YOYO XS inertial machine contains an encoder validated by the company Chronjump (16) with this device the training program was carried out with the volleyball players, the program was subjected to expert judgment.
For the collection of information on sociodemographic variables, a data record was carried out (Weight, Height, History of injuries, etc.), in addition to this, a record per athlete for the values of each jump performed.
Results: Both groups showed significant improvements in jump height, flight time, strength and power in the protocol that was carried out during the 12 weeks of intervention, but there was no statistically significant difference between the control groups (P = 0.356). , experimental (P = 0.984)
Conclusions:
Keywords: Inertial machines, Squat jump, Countermovent Jump, Abalakov
Conditions
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Keywords
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
SINGLE
Study Groups
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Group 1
Strength training in inertial machines for 2 days and around 12 weeks.
Inertial Strength training
Low speed strength training with classic movements, derived from Olympic lifting and jumping
Group 2
Control group developed conventional strength training with squats, deadlifts, hip thrust jumps for 2 days and around 12 weeks.
Inertial Strength training
Low speed strength training with classic movements, derived from Olympic lifting and jumping
Interventions
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Inertial Strength training
Low speed strength training with classic movements, derived from Olympic lifting and jumping
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Sports aptitude in the execution of the tests at the time of the intervention and/or evaluation, do not present any surgical intervention in any particular area or region of the lower limbs.
* Practice time in volleyball of at least 2 years and 1 year in strength training
Exclusion Criteria
* not complete with at least 8 weeks of strength training on the inertial machine.
15 Years
17 Years
FEMALE
Yes
Sponsors
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Universidad Autónoma de Manizales, Colombia
OTHER
Responsible Party
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Locations
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Universidad Autónoma de Manizales
Manizales, Caldas Department, Colombia
Countries
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References
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Balsalobre-Fernandez C, Glaister M, Lockey RA. The validity and reliability of an iPhone app for measuring vertical jump performance. J Sports Sci. 2015;33(15):1574-9. doi: 10.1080/02640414.2014.996184. Epub 2015 Jan 2.
Penailillo L, Blazevich A, Numazawa H, Nosaka K. Metabolic and muscle damage profiles of concentric versus repeated eccentric cycling. Med Sci Sports Exerc. 2013 Sep;45(9):1773-81. doi: 10.1249/MSS.0b013e31828f8a73.
Beato M, Dello Iacono A. Implementing Flywheel (Isoinertial) Exercise in Strength Training: Current Evidence, Practical Recommendations, and Future Directions. Front Physiol. 2020 Jun 3;11:569. doi: 10.3389/fphys.2020.00569. eCollection 2020. No abstract available.
Martinez-Aranda LM, Fernandez-Gonzalo R. Effects of Inertial Setting on Power, Force, Work, and Eccentric Overload During Flywheel Resistance Exercise in Women and Men. J Strength Cond Res. 2017 Jun;31(6):1653-1661. doi: 10.1519/JSC.0000000000001635.
Other Identifiers
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APPROVAL ACT 07-19-2022_11UAM
Identifier Type: -
Identifier Source: org_study_id