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Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test
Published on: November 23, 2019
Validity of the modified Conconi running test
D Sentija1, V Vucetic, G Markovic
1Department of Kinesiology of Sport, Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia.
International Journal of Sports Medicine
|July 7, 2007
Summary
A fast ramp treadmill test is valid for determining the heart rate deflection point (HRdp) in trained runners. However, the speed at deflection (Sdp) is protocol-dependent, requiring caution for practical application.
Area of Science:
- Sports Medicine
- Exercise Physiology
- Cardiovascular Physiology
Background:
- The heart rate deflection point (HRdp) is a physiological marker used in exercise testing.
- Accurate determination of HRdp is crucial for training prescription in athletes.
- Treadmill protocols vary, potentially influencing HRdp and speed at deflection (Sdp) measurements.
Purpose of the Study:
- To evaluate the validity of a fast ramp treadmill protocol for measuring HRdp and Sdp in trained runners.
- To compare results from a fast ramp protocol with a standard ramp protocol.
- To assess the reliability and potential biases of the fast ramp protocol for these physiological markers.
Main Methods:
- Fifty-one trained male runners completed both a standard (30-s increments) and a fast (15-s increments) incremental treadmill test to exhaustion.
- Continuous heart rate monitoring was performed during both protocols.
- Statistical analyses included t-tests, correlation coefficients, and limits of agreement to compare HRdp and Sdp between protocols.
Main Results:
- The fast ramp protocol yielded highly correlated and similar heart rate deflection point (HRdp) values compared to the standard protocol (r=0.92, p<0.001).
- Speed at deflection (Sdp) was also highly correlated (r=0.91, p<0.001) but significantly higher in the fast ramp protocol.
- No systematic bias was found for HRdp, but a systematic bias was observed for Sdp in the fast ramp protocol.
Conclusions:
- A fast ramp treadmill protocol is a valid method for determining the heart rate deflection point (HRdp) in trained runners.
- The speed at deflection (Sdp) is influenced by the ramp protocol's speed increment.
- Care should be taken when applying Sdp values obtained from fast ramp protocols due to protocol dependency.
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