Effects of Supramaximal Loaded Back Squat on Jump Performance
Author Information
Author(s): Perenc Dawid, Stastny Petr, Urbański Robert, Krzysztofik Michał
Primary Institution: The Jerzy Kukuczka Academy of Physical Education in Katowice
Hypothesis
Both eccentric-only and eccentric-concentric back squats will improve countermovement jump performance without changing skin surface temperature.
Conclusion
The eccentric-concentric back squat protocol significantly improved jump height and increased skin surface temperature among powerlifters.
Supporting Evidence
- The ECC-CON condition led to a significant increase in CMJ height after optimal rest time.
- Skin surface temperature increased significantly after the ECC-CON condition.
- No significant changes were observed in the mechanical properties of the vastus lateralis.
Takeaway
Doing heavy squats can help you jump higher, especially if you do them in a certain way and take the right amount of rest afterward.
Methodology
Participants performed eccentric-only and eccentric-concentric back squats with a supramaximal load, followed by measurements of jump performance and muscle properties.
Limitations
The study's findings may not apply to athletes with lower strength levels or different training backgrounds.
Participant Demographics
Fourteen male powerlifters, average age 22.5 years, with high levels of muscle strength.
Statistical Information
P-Value
0.003
Confidence Interval
95%CI 0.66–2.74
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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