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Repeat Application of Ischemic Preconditioning Improves Maximal 1,000-m Kayak Ergometer Performance in a Simulated
Samuel L Halley1,2,3, Peter Peeling2,3, Henry Brown2,3,4
1School of Science and Health, Western Sydney University, Sydney, New South Wales, Australia.
Journal of Strength and Conditioning Research
|October 16, 2020
Summary
Repeat application of ischemic preconditioning (IPC) significantly improves kayak ergometer performance in simulated competitions. A second IPC session before the second time trial enhanced performance more than a single application.
Area of Science:
- Sports Science
- Exercise Physiology
- Performance Enhancement
Background:
- Ischemic preconditioning (IPC) is a brief period of ischemia followed by reperfusion.
- Its effects on repeated high-intensity exercise performance, particularly in simulated competition, require further investigation.
Purpose of the Study:
- To investigate the impact of single versus repeated ischemic preconditioning (IPC) on 1,000-m kayak ergometer time-trial (TT) performance.
- To compare performance in a simulated competition format with two TTs separated by 80 minutes.
Main Methods:
- Eight trained male kayak athletes completed three trials: single IPC (IPC1), repeated IPC (IPC2), and control (CON).
- Each trial included two 1,000-m TTs with 80 minutes rest.
- IPC involved bilateral leg occlusion (4x5 min at 220 mmHg).
Main Results:
- Both IPC1 and IPC2 significantly improved TT 1 completion time compared to CON.
- IPC2 demonstrated a significant improvement in TT 2 completion time, unlike IPC1.
- Repeated IPC application showed greater benefits for subsequent performance in a simulated competition.
Conclusions:
- Repeat application of IPC offers superior benefits for repeated high-intensity kayak performance compared to a single application.
- IPC is a viable strategy for enhancing performance in simulated kayak competition formats.
- Further research should explore optimal IPC protocols for different athletic demands.
