EFFECT OF CIRCADIAN RHYTHM ON ATHLETE'S ECG (ST SEGMENT) RESPONSE TO PWC195 TEST

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MORADI F.; SADEGHI H.; TARTIBIYAN B.

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Journal: SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE) Year:2009 | Volume:6 | Issue:23 Page(s): 49-60

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Title

EFFECT OF CIRCADIAN RHYTHM ON ATHLETE'S ECG (ST SEGMENT) RESPONSE TO PWC195 TEST

Author(s)

MORADI F. | SADEGHI H. | TARTIBIYAN B. | Issue Writer Certificate

Keywords

TIME OF DAYQ2

MAXIMAL AEROBIC POWER TESTQ3

VO2MAXQ3

ELECTROCARDIOGRAMQ3

ST SEGMENTQ3

Abstract

The purpose of the present study was to investigate the effect of diurnal variation on athlete's ECG (ST segment) response to PWC195 test. Thirteen subjects (age: 23.7±2.3 yr; weight: 69±4.2 kg; height: 176.5±2.3 cm) were selected from students of physical education .Initially, resting ECG of the subjects was recorded at the morning (8:00) which was followed by PWC195 test. Morning ECG was recorded immediately after finishing the test. Finally, at the evening of the same day (17: 00) subjects performed the PWC195 test and immediately after the test the ECG (evening ECG) was recorded. In comparison to resting ECGs, the responses of the ST SEGMENT to PWC195 test at the morning and evening were significantly different. However, there was no significant difference between morning and evening responses (rest: 0.053±0.017; morning: 0.023±0.011; evening: 0.000±0.004 mv; P<0.05). We concluded that 1) PWC195 test reduces the voltage of the ST SEGMENT but this reduction is not pathologically significant (<1mv) and, 2) TIME OF DAY (morning or evening) has no effect on responses of ST SEGMENT to PWC195 test.

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APA: Copy

MORADI, F., SADEGHI, H., & TARTIBIYAN, B.. (2009). EFFECT OF CIRCADIAN RHYTHM ON ATHLETE'S ECG (ST SEGMENT) RESPONSE TO PWC195 TEST. SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE), 6(23), 49-60. SID. https://sid.ir/paper/228345/en

Vancouver: Copy

MORADI F., SADEGHI H., TARTIBIYAN B.. EFFECT OF CIRCADIAN RHYTHM ON ATHLETE'S ECG (ST SEGMENT) RESPONSE TO PWC195 TEST. SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE)[Internet]. 2009;6(23):49-60. Available from: https://sid.ir/paper/228345/en

IEEE: Copy

F. MORADI, H. SADEGHI, and B. TARTIBIYAN, “EFFECT OF CIRCADIAN RHYTHM ON ATHLETE'S ECG (ST SEGMENT) RESPONSE TO PWC195 TEST,” SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE), vol. 6, no. 23, pp. 49–60, 2009, [Online]. Available: https://sid.ir/paper/228345/en

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