Is delayed ischemic preconditioning as effective on running performance during a 5km time trial as acute IPC?
Ischemic preconditioning (IPC) may enhance exercise performance. Cardioprotective effects of IPC are known to re-occur 24h after the stimulus. Whether the delayed effect of IPC has similar effects as IPC on exercise performance is unknown. Examine whether IPC applied 24h (24-IPC) before exercise is...
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| Veröffentlicht in: | Journal of science and medicine in sport 2017-02, Vol.20 (2), p.208-212 |
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| container_title | Journal of science and medicine in sport |
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| creator | Seeger, Joost P.H. Timmers, Silvie Ploegmakers, Danique J.M. Cable, N. Timothy Hopman, Maria T.E. Thijssen, Dick H.J. |
| description | Ischemic preconditioning (IPC) may enhance exercise performance. Cardioprotective effects of IPC are known to re-occur 24h after the stimulus. Whether the delayed effect of IPC has similar effects as IPC on exercise performance is unknown.
Examine whether IPC applied 24h (24-IPC) before exercise is equally effective as IPC in improving exercise performance.
Randomized, cross-over study
12 healthy participants were randomly exposed to SHAM-session, IPC or 24-IPC before a self-paced 5km running trial on a treadmill. Subjects were blinded for time, speed and heart rate. Furthermore, heart rate, BORG, and the local tissue saturation index were measured during exercise, while lactate levels were determined after running. Using a regression model, we explored whether these parameters predicted the change in running time after IPC and 24-IPC.
We found no differences in finish time after IPC (SHAM: 1400±105s, IPC: 1381±112s, 24-IPC: 1385±113s; p=0.30). However, we observed a significant positive relation between the change in finish time after IPC and 24-IPC (p=0.016; r=0.677). Using stepwise linear regression, a lower post-exercise blood lactate level after IPC or 24-IPC was significantly related to an improvement in finish time (R2=0.47, β=-0.687, p=0.007).
Although no significant effect of IPC or 24-IPC on exercise performance was found, individual finish time after IPC and 24-IPC were strongly correlated. Therefore, our data suggest that, at the individual level, the effects of 24-IPC are closely related to the effects of IPC. |
| doi_str_mv | 10.1016/j.jsams.2016.03.010 |
| format | Article |
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Examine whether IPC applied 24h (24-IPC) before exercise is equally effective as IPC in improving exercise performance.
Randomized, cross-over study
12 healthy participants were randomly exposed to SHAM-session, IPC or 24-IPC before a self-paced 5km running trial on a treadmill. Subjects were blinded for time, speed and heart rate. Furthermore, heart rate, BORG, and the local tissue saturation index were measured during exercise, while lactate levels were determined after running. Using a regression model, we explored whether these parameters predicted the change in running time after IPC and 24-IPC.
We found no differences in finish time after IPC (SHAM: 1400±105s, IPC: 1381±112s, 24-IPC: 1385±113s; p=0.30). However, we observed a significant positive relation between the change in finish time after IPC and 24-IPC (p=0.016; r=0.677). Using stepwise linear regression, a lower post-exercise blood lactate level after IPC or 24-IPC was significantly related to an improvement in finish time (R2=0.47, β=-0.687, p=0.007).
Although no significant effect of IPC or 24-IPC on exercise performance was found, individual finish time after IPC and 24-IPC were strongly correlated. Therefore, our data suggest that, at the individual level, the effects of 24-IPC are closely related to the effects of IPC.</description><identifier>ISSN: 1440-2440</identifier><identifier>EISSN: 1878-1861</identifier><identifier>DOI: 10.1016/j.jsams.2016.03.010</identifier><identifier>PMID: 27260003</identifier><language>eng</language><publisher>Australia: Elsevier Ltd</publisher><subject>Adult ; Analysis of Variance ; Athletic performance ; Blood Pressure - physiology ; Cross-Over Studies ; Exercise - physiology ; Exercise performance ; Female ; Fitness equipment ; Heart Rate - physiology ; Humans ; Intervention ; Ischaemic preconditioning ; Ischemia ; Ischemic Preconditioning ; Lactic Acid - blood ; Male ; Preconditioning ; Regression Analysis ; Running ; Running - physiology ; Studies ; Time Factors ; Time trial ; Warm-Up Exercise - physiology</subject><ispartof>Journal of science and medicine in sport, 2017-02, Vol.20 (2), p.208-212</ispartof><rights>2016 Sports Medicine Australia</rights><rights>Copyright © 2016 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.</rights><rights>Copyright Copyright Agency Limited (Distributor) Feb 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1440244016300068$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27260003$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Seeger, Joost P.H.</creatorcontrib><creatorcontrib>Timmers, Silvie</creatorcontrib><creatorcontrib>Ploegmakers, Danique J.M.</creatorcontrib><creatorcontrib>Cable, N. Timothy</creatorcontrib><creatorcontrib>Hopman, Maria T.E.</creatorcontrib><creatorcontrib>Thijssen, Dick H.J.</creatorcontrib><title>Is delayed ischemic preconditioning as effective on running performance during a 5km time trial as acute IPC?</title><title>Journal of science and medicine in sport</title><addtitle>J Sci Med Sport</addtitle><description>Ischemic preconditioning (IPC) may enhance exercise performance. Cardioprotective effects of IPC are known to re-occur 24h after the stimulus. Whether the delayed effect of IPC has similar effects as IPC on exercise performance is unknown.
Examine whether IPC applied 24h (24-IPC) before exercise is equally effective as IPC in improving exercise performance.
Randomized, cross-over study
12 healthy participants were randomly exposed to SHAM-session, IPC or 24-IPC before a self-paced 5km running trial on a treadmill. Subjects were blinded for time, speed and heart rate. Furthermore, heart rate, BORG, and the local tissue saturation index were measured during exercise, while lactate levels were determined after running. Using a regression model, we explored whether these parameters predicted the change in running time after IPC and 24-IPC.
We found no differences in finish time after IPC (SHAM: 1400±105s, IPC: 1381±112s, 24-IPC: 1385±113s; p=0.30). However, we observed a significant positive relation between the change in finish time after IPC and 24-IPC (p=0.016; r=0.677). Using stepwise linear regression, a lower post-exercise blood lactate level after IPC or 24-IPC was significantly related to an improvement in finish time (R2=0.47, β=-0.687, p=0.007).
Although no significant effect of IPC or 24-IPC on exercise performance was found, individual finish time after IPC and 24-IPC were strongly correlated. Therefore, our data suggest that, at the individual level, the effects of 24-IPC are closely related to the effects of IPC.</description><subject>Adult</subject><subject>Analysis of Variance</subject><subject>Athletic performance</subject><subject>Blood Pressure - physiology</subject><subject>Cross-Over Studies</subject><subject>Exercise - physiology</subject><subject>Exercise performance</subject><subject>Female</subject><subject>Fitness equipment</subject><subject>Heart Rate - physiology</subject><subject>Humans</subject><subject>Intervention</subject><subject>Ischaemic preconditioning</subject><subject>Ischemia</subject><subject>Ischemic Preconditioning</subject><subject>Lactic Acid - blood</subject><subject>Male</subject><subject>Preconditioning</subject><subject>Regression Analysis</subject><subject>Running</subject><subject>Running - physiology</subject><subject>Studies</subject><subject>Time Factors</subject><subject>Time trial</subject><subject>Warm-Up Exercise - physiology</subject><issn>1440-2440</issn><issn>1878-1861</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqNkU1v1DAQhi0EoqXwC5CQJS5cEsaexE4OCFUrPlaqBIfeLa89AYc4WeykUv893m25cOJie0aPR5rnZey1gFqAUO_Hesw25lqWogasQcATdik63VWiU-JpeTcNVLIcF-xFziOAbDXq5-xCaqkAAC9Z3GfuabL35HnI7ifF4PgxkVtmH9awzGH-wW3mNAzk1nBHfJl52uZz_0hpWFK0syPut3RGefsr8jVE4msKdjr9tW5bie-_7z6-ZM8GO2V69XhfsdvPn253X6ubb1_2u-ubioQWWKHrkbTwve6FJ-e0R0J0HjyKQ-ct6VZ564BwAKl7aFUHQnq0A7oDtXjF3j2MPabl90Z5NbHsRtNkZ1q2bIoj3TUSO_EfqFSqF9A2BX37DzouW5rLHqeBqlEttlioN4_UdojkzTGFaNO9-au8AB8eACoC7gIlk12gotCHon01fglGgDlFbEZzjticIjaApkSMfwA8wpiP</recordid><startdate>201702</startdate><enddate>201702</enddate><creator>Seeger, Joost P.H.</creator><creator>Timmers, Silvie</creator><creator>Ploegmakers, Danique J.M.</creator><creator>Cable, N. 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Timothy</au><au>Hopman, Maria T.E.</au><au>Thijssen, Dick H.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Is delayed ischemic preconditioning as effective on running performance during a 5km time trial as acute IPC?</atitle><jtitle>Journal of science and medicine in sport</jtitle><addtitle>J Sci Med Sport</addtitle><date>2017-02</date><risdate>2017</risdate><volume>20</volume><issue>2</issue><spage>208</spage><epage>212</epage><pages>208-212</pages><issn>1440-2440</issn><eissn>1878-1861</eissn><abstract>Ischemic preconditioning (IPC) may enhance exercise performance. Cardioprotective effects of IPC are known to re-occur 24h after the stimulus. Whether the delayed effect of IPC has similar effects as IPC on exercise performance is unknown.
Examine whether IPC applied 24h (24-IPC) before exercise is equally effective as IPC in improving exercise performance.
Randomized, cross-over study
12 healthy participants were randomly exposed to SHAM-session, IPC or 24-IPC before a self-paced 5km running trial on a treadmill. Subjects were blinded for time, speed and heart rate. Furthermore, heart rate, BORG, and the local tissue saturation index were measured during exercise, while lactate levels were determined after running. Using a regression model, we explored whether these parameters predicted the change in running time after IPC and 24-IPC.
We found no differences in finish time after IPC (SHAM: 1400±105s, IPC: 1381±112s, 24-IPC: 1385±113s; p=0.30). However, we observed a significant positive relation between the change in finish time after IPC and 24-IPC (p=0.016; r=0.677). Using stepwise linear regression, a lower post-exercise blood lactate level after IPC or 24-IPC was significantly related to an improvement in finish time (R2=0.47, β=-0.687, p=0.007).
Although no significant effect of IPC or 24-IPC on exercise performance was found, individual finish time after IPC and 24-IPC were strongly correlated. Therefore, our data suggest that, at the individual level, the effects of 24-IPC are closely related to the effects of IPC.</abstract><cop>Australia</cop><pub>Elsevier Ltd</pub><pmid>27260003</pmid><doi>10.1016/j.jsams.2016.03.010</doi><tpages>5</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adult Analysis of Variance Athletic performance Blood Pressure - physiology Cross-Over Studies Exercise - physiology Exercise performance Female Fitness equipment Heart Rate - physiology Humans Intervention Ischaemic preconditioning Ischemia Ischemic Preconditioning Lactic Acid - blood Male Preconditioning Regression Analysis Running Running - physiology Studies Time Factors Time trial Warm-Up Exercise - physiology |
| title | Is delayed ischemic preconditioning as effective on running performance during a 5km time trial as acute IPC? |
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