Maximal accumulated oxygen deficit (maod) of physically active females during mid-follicular and mid-luteal phases of ovarian cycle
This intervention study was undertaken with an objective to evaluate the anaerobic capacity in repeated sprint cycling bouts during different phases of ovarian cycle. Twelve physically active females aged 22.41 ± 1.68 years, weight 52.06 ± 7.28 kg, height 158.17 ± 4.17 em, and V02maxof34.92 ± 4.8...
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| Format: | Thesis |
| Language: | English |
| Published: |
2008
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| Subjects: | |
| Online Access: | http://eprints.usm.my/52208/1/SHAZLIN%20SHAHARUDIN%20-%2024%20pages.pdf |
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| Summary: | This intervention study was undertaken with an objective to evaluate the
anaerobic capacity in repeated sprint cycling bouts during different phases of
ovarian cycle. Twelve physically active females aged 22.41 ± 1.68 years, weight
52.06 ± 7.28 kg, height 158.17 ± 4.17 em, and V02maxof34.92 ± 4.85 ml·kg-1·min-1
contributed in this study. The method of measuring maximal accumulated oxygen
deficit (MAOD) was implemented from Medb~ ·:·. al., (1988). Initially, the V02max
of the participant were measured on cycle ergometer following a graded exercise
protocol. Then, the participants did sub-maximal cycling exercise for 10 minutes at
50%, 60%, 70% and 80% of V02max on separate days. The linear regression
determined from the V02-power relationship was used to approximate supramaximal
power output at 120% V02max· Next, the participants performed repeated
sprint cycling at 120% ofV02max intensity with .. ·: minutes rest between consecutive
sprints during mid-follicular (MF) and mid-luteal (ML) phases. The menstrual
phases were verified through daily basal body measurement and serum progesterone
analysis. Results indicated there were no significant difference in maximal
accumulated oxygen deficit (MAOD) and sprint performance between mid-follicular
(MF) and mid-luteal (ML) phases in repeated sprint cycling. There was also no
significant difference in plasma lactate and plasma ammonia concentration between
mid-follicular (MF) and mid-luteal (ML) phases in repeated sprint cycling. Hence, it
is concluded that the ovarian phases of women with regular menstrual cycle, have no
significant effect on anaerobic capacity. |
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