Differences in Oxygenation Kinetics Between the Dominant and Nondominant Flexor Digitorum Profundus in Rock Climbers
To examine differences in oxygenation kinetics in the nondominant and dominant flexor digitorum profundus (FDP) of rock climbers. Participants were 28 sport climbers with a range of on-site abilities (6a+ to 8a French Sport). Using near-infrared spectroscopy, oxygenation kinetics of the FDP was asse...
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| Veröffentlicht in: | International journal of sports physiology and performance 2017-01, Vol.12 (1), p.137-139 |
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| creator | Giles, David Romero, Vanesa España Garrido, Inmaculada de la O Puerta, Alejandro Stone, Keeron Fryer, Simon |
| description | To examine differences in oxygenation kinetics in the nondominant and dominant flexor digitorum profundus (FDP) of rock climbers.
Participants were 28 sport climbers with a range of on-site abilities (6a+ to 8a French Sport). Using near-infrared spectroscopy, oxygenation kinetics of the FDP was assessed by calculating the time to half recovery (t
) of the tissue-saturation index (TSI) after 3-5 min of ischemia.
A 2-way mixed-model ANOVA found a nonsignificant interaction (P = .112) for TSI by sex. However, there was a significant main effect (P = .027) of handedness (dominant vs nondominant FDP). The dominant forearm recovered 13.6% faster (t
mean difference = 1.12 s, 95% CI 0.13-2.10 s) than the nondominant FDP. This was not affected by 6-mo on-site climbing ability or sex (P = .839, P = .683).
Significant intraindividual differences in oxygenation kinetics of the FDP were found. Improvements in oxygenation kinetics in the FDP are likely due to the abilities of the muscle to deliver, perfuse, and consume oxygen. These enhancements may be due to structural adaptations in the microvasculature, such as an increase in capillary density and enhanced improvement in capillary filtration. |
| doi_str_mv | 10.1123/ijspp.2015-0651 |
| format | Article |
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Participants were 28 sport climbers with a range of on-site abilities (6a+ to 8a French Sport). Using near-infrared spectroscopy, oxygenation kinetics of the FDP was assessed by calculating the time to half recovery (t
) of the tissue-saturation index (TSI) after 3-5 min of ischemia.
A 2-way mixed-model ANOVA found a nonsignificant interaction (P = .112) for TSI by sex. However, there was a significant main effect (P = .027) of handedness (dominant vs nondominant FDP). The dominant forearm recovered 13.6% faster (t
mean difference = 1.12 s, 95% CI 0.13-2.10 s) than the nondominant FDP. This was not affected by 6-mo on-site climbing ability or sex (P = .839, P = .683).
Significant intraindividual differences in oxygenation kinetics of the FDP were found. Improvements in oxygenation kinetics in the FDP are likely due to the abilities of the muscle to deliver, perfuse, and consume oxygen. These enhancements may be due to structural adaptations in the microvasculature, such as an increase in capillary density and enhanced improvement in capillary filtration.</description><identifier>ISSN: 1555-0265</identifier><identifier>EISSN: 1555-0273</identifier><identifier>DOI: 10.1123/ijspp.2015-0651</identifier><identifier>PMID: 27145534</identifier><language>eng</language><publisher>United States: Human Kinetics</publisher><subject>Female ; Forearm - blood supply ; Functional Laterality - physiology ; Hand Strength - physiology ; Humans ; Isometric Contraction - physiology ; Male ; Mountaineering - physiology ; Muscle, Skeletal - blood supply ; Muscle, Skeletal - physiology ; Oxygen Consumption ; Spectroscopy, Near-Infrared</subject><ispartof>International journal of sports physiology and performance, 2017-01, Vol.12 (1), p.137-139</ispartof><rights>Copyright Human Kinetics Jan 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-5a73d71b3febb323c27070c8f644cebb531f33a88b900b739987e74cb165a4ae3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27145534$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Giles, David</creatorcontrib><creatorcontrib>Romero, Vanesa España</creatorcontrib><creatorcontrib>Garrido, Inmaculada</creatorcontrib><creatorcontrib>de la O Puerta, Alejandro</creatorcontrib><creatorcontrib>Stone, Keeron</creatorcontrib><creatorcontrib>Fryer, Simon</creatorcontrib><title>Differences in Oxygenation Kinetics Between the Dominant and Nondominant Flexor Digitorum Profundus in Rock Climbers</title><title>International journal of sports physiology and performance</title><addtitle>Int J Sports Physiol Perform</addtitle><description>To examine differences in oxygenation kinetics in the nondominant and dominant flexor digitorum profundus (FDP) of rock climbers.
Participants were 28 sport climbers with a range of on-site abilities (6a+ to 8a French Sport). Using near-infrared spectroscopy, oxygenation kinetics of the FDP was assessed by calculating the time to half recovery (t
) of the tissue-saturation index (TSI) after 3-5 min of ischemia.
A 2-way mixed-model ANOVA found a nonsignificant interaction (P = .112) for TSI by sex. However, there was a significant main effect (P = .027) of handedness (dominant vs nondominant FDP). The dominant forearm recovered 13.6% faster (t
mean difference = 1.12 s, 95% CI 0.13-2.10 s) than the nondominant FDP. This was not affected by 6-mo on-site climbing ability or sex (P = .839, P = .683).
Significant intraindividual differences in oxygenation kinetics of the FDP were found. Improvements in oxygenation kinetics in the FDP are likely due to the abilities of the muscle to deliver, perfuse, and consume oxygen. These enhancements may be due to structural adaptations in the microvasculature, such as an increase in capillary density and enhanced improvement in capillary filtration.</description><subject>Female</subject><subject>Forearm - blood supply</subject><subject>Functional Laterality - physiology</subject><subject>Hand Strength - physiology</subject><subject>Humans</subject><subject>Isometric Contraction - physiology</subject><subject>Male</subject><subject>Mountaineering - physiology</subject><subject>Muscle, Skeletal - blood supply</subject><subject>Muscle, Skeletal - physiology</subject><subject>Oxygen Consumption</subject><subject>Spectroscopy, Near-Infrared</subject><issn>1555-0265</issn><issn>1555-0273</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkU1PGzEQhq0KVD7ac2-VJS69BDzrtb05tgkBBIKqas-W1zubOt21g-1V4d-zSQgHTvOhZ16N9BDyBdg5QMEv3Cqt1-cFAzFhUsAHcgxCjH2h-MFbL8UROUlpxVgpSsE-kqNCQSkEL49Jnru2xYjeYqLO04en5yV6k13w9NZ5zM4m-gPzf0RP81-k89A7b3ymxjf0PvhmPy86fAqRzt3S5RCHnv6MoR18M2xzfwX7j84619cY0ydy2Jou4efXekr-LC5_z64ndw9XN7PvdxPLpcwTYRRvFNS8xbrmBbeFYorZqpVlaceV4NBybqqqnjJWKz6dVgpVaWuQwpQG-Sn5tstdx_A4YMq6d8li1xmPYUgaqkLKikk1HdGzd-gqDNGP3-kCFABUwGGkLnaUjSGliK1eR9eb-KyB6Y0QvRWiN0L0Rsh48fU1d6h7bN74vQH-Aso0iAA</recordid><startdate>201701</startdate><enddate>201701</enddate><creator>Giles, David</creator><creator>Romero, Vanesa España</creator><creator>Garrido, Inmaculada</creator><creator>de la O Puerta, Alejandro</creator><creator>Stone, Keeron</creator><creator>Fryer, Simon</creator><general>Human Kinetics</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>NAPCQ</scope><scope>7X8</scope></search><sort><creationdate>201701</creationdate><title>Differences in Oxygenation Kinetics Between the Dominant and Nondominant Flexor Digitorum Profundus in Rock Climbers</title><author>Giles, David ; Romero, Vanesa España ; Garrido, Inmaculada ; de la O Puerta, Alejandro ; Stone, Keeron ; Fryer, Simon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-5a73d71b3febb323c27070c8f644cebb531f33a88b900b739987e74cb165a4ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Female</topic><topic>Forearm - blood supply</topic><topic>Functional Laterality - physiology</topic><topic>Hand Strength - physiology</topic><topic>Humans</topic><topic>Isometric Contraction - physiology</topic><topic>Male</topic><topic>Mountaineering - physiology</topic><topic>Muscle, Skeletal - blood supply</topic><topic>Muscle, Skeletal - physiology</topic><topic>Oxygen Consumption</topic><topic>Spectroscopy, Near-Infrared</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Giles, David</creatorcontrib><creatorcontrib>Romero, Vanesa España</creatorcontrib><creatorcontrib>Garrido, Inmaculada</creatorcontrib><creatorcontrib>de la O Puerta, Alejandro</creatorcontrib><creatorcontrib>Stone, Keeron</creatorcontrib><creatorcontrib>Fryer, Simon</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of sports physiology and performance</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Giles, David</au><au>Romero, Vanesa España</au><au>Garrido, Inmaculada</au><au>de la O Puerta, Alejandro</au><au>Stone, Keeron</au><au>Fryer, Simon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Differences in Oxygenation Kinetics Between the Dominant and Nondominant Flexor Digitorum Profundus in Rock Climbers</atitle><jtitle>International journal of sports physiology and performance</jtitle><addtitle>Int J Sports Physiol Perform</addtitle><date>2017-01</date><risdate>2017</risdate><volume>12</volume><issue>1</issue><spage>137</spage><epage>139</epage><pages>137-139</pages><issn>1555-0265</issn><eissn>1555-0273</eissn><abstract>To examine differences in oxygenation kinetics in the nondominant and dominant flexor digitorum profundus (FDP) of rock climbers.
Participants were 28 sport climbers with a range of on-site abilities (6a+ to 8a French Sport). Using near-infrared spectroscopy, oxygenation kinetics of the FDP was assessed by calculating the time to half recovery (t
) of the tissue-saturation index (TSI) after 3-5 min of ischemia.
A 2-way mixed-model ANOVA found a nonsignificant interaction (P = .112) for TSI by sex. However, there was a significant main effect (P = .027) of handedness (dominant vs nondominant FDP). The dominant forearm recovered 13.6% faster (t
mean difference = 1.12 s, 95% CI 0.13-2.10 s) than the nondominant FDP. This was not affected by 6-mo on-site climbing ability or sex (P = .839, P = .683).
Significant intraindividual differences in oxygenation kinetics of the FDP were found. Improvements in oxygenation kinetics in the FDP are likely due to the abilities of the muscle to deliver, perfuse, and consume oxygen. These enhancements may be due to structural adaptations in the microvasculature, such as an increase in capillary density and enhanced improvement in capillary filtration.</abstract><cop>United States</cop><pub>Human Kinetics</pub><pmid>27145534</pmid><doi>10.1123/ijspp.2015-0651</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Human Kinetics Journals |
| subjects | Female Forearm - blood supply Functional Laterality - physiology Hand Strength - physiology Humans Isometric Contraction - physiology Male Mountaineering - physiology Muscle, Skeletal - blood supply Muscle, Skeletal - physiology Oxygen Consumption Spectroscopy, Near-Infrared |
| title | Differences in Oxygenation Kinetics Between the Dominant and Nondominant Flexor Digitorum Profundus in Rock Climbers |
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