Acute Effect of Popular High-Intensity Functional Training Exercise on Physiologic Markers of Growth
ABSTRACTKliszczewicz, B, Markert, CD, Bechke, E, Williamson, C, Clemons, KN, Snarr, RL, and McKenzie, MJ. Acute effect of popular high-intensity functional training exercise on physiologic markers of growth. J Strength Cond Res XX(X)000–000, 2018—Constantly evolving, high-intensity functional traini...
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| Veröffentlicht in: | Journal of strength and conditioning research 2021-06, Vol.35 (6), p.1677-1684 |
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| container_title | Journal of strength and conditioning research |
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| creator | Kliszczewicz, Brian Markert, Chad D. Bechke, Emily Williamson, Cassie Clemons, Khala N. Snarr, Ronald L. McKenzie, Michael J. |
| description | ABSTRACTKliszczewicz, B, Markert, CD, Bechke, E, Williamson, C, Clemons, KN, Snarr, RL, and McKenzie, MJ. Acute effect of popular high-intensity functional training exercise on physiologic markers of growth. J Strength Cond Res XX(X)000–000, 2018—Constantly evolving, high-intensity functional training (HIFT) exercise consists of various modalities, orders, weights, and repetition schemes. High-intensity functional training has gained popularity among the general population, but lacks empirical evidence regarding acute adaptive responses. The purpose of this study was to describe the acute effects of 2 representative bouts of HIFT on physiologic markers of growth. For convenience, the bouts are designated “short” ( 0.05) was observed in IGF-1, IGFBP-1, IGFBP-2, or VEGF. Mean blood [lactate] increased more than tenfold in both bouts. The findings of this descriptive study suggest that, other than GH, there are no acute differences in markers of skeletal muscle or vascular growth between these 2 specific HIFT bouts. |
| doi_str_mv | 10.1519/JSC.0000000000002933 |
| format | Article |
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Acute effect of popular high-intensity functional training exercise on physiologic markers of growth. J Strength Cond Res XX(X)000–000, 2018—Constantly evolving, high-intensity functional training (HIFT) exercise consists of various modalities, orders, weights, and repetition schemes. High-intensity functional training has gained popularity among the general population, but lacks empirical evidence regarding acute adaptive responses. The purpose of this study was to describe the acute effects of 2 representative bouts of HIFT on physiologic markers of growth. For convenience, the bouts are designated “short” (<5 minutes) and “long” (∼15 minutes), although duration was not the only difference between bouts. Ten apparently healthy men (28.1 ± 5 years) performed 2 HIFT bouts in a randomized crossover design. Blood was collected at 5 time points (Pre, Post, 1, 3, and 6 hours) to examine growth hormone (GH), insulin-like growth factor (IGF-1), insulin-like growth factor binding proteins 1 and 2 (IGFBP-1 and IGFBP-2), and vascular endothelial growth factor (VEGF). Blood lactate concentration ([La]) was analyzed at the Pre and Post time points. A repeated-measures analysis of variance (ANOVA) revealed no trial differences among the markers (IGF-1, IGFBP-1, IGFBP-2, and VEGF) except GH at Post, where the long bout produced a greater effect (p = 0.005). Mean GH levels (pg·ml) in the short bout increased from 68.4 to 106.5, and in the long bout, mean GH levels increased from 38.5 to 286.4. The repeated-measures ANOVA revealed a main time effect in GH (p = 0.037), while a post hoc t-test demonstrated elevated GH at 1 hour (p = 0.018) when compared with Pre. No time-dependent change (p > 0.05) was observed in IGF-1, IGFBP-1, IGFBP-2, or VEGF. Mean blood [lactate] increased more than tenfold in both bouts. The findings of this descriptive study suggest that, other than GH, there are no acute differences in markers of skeletal muscle or vascular growth between these 2 specific HIFT bouts.</description><identifier>ISSN: 1064-8011</identifier><identifier>EISSN: 1533-4287</identifier><identifier>DOI: 10.1519/JSC.0000000000002933</identifier><identifier>PMID: 30399116</identifier><language>eng</language><publisher>United States: Journal of Strength and Conditioning Research</publisher><subject>Acute effects ; Blood levels ; Growth hormones ; Insulin ; Insulin-like growth factor I ; Insulin-like growth factor-binding protein 1 ; Insulin-like growth factor-binding protein 2 ; Insulin-like growth factors ; Lactic acid ; Skeletal muscle ; Variance analysis ; Vascular endothelial growth factor</subject><ispartof>Journal of strength and conditioning research, 2021-06, Vol.35 (6), p.1677-1684</ispartof><rights>Journal of Strength and Conditioning Research</rights><rights>Copyright © 2018 by the National Strength & Conditioning Association.</rights><rights>2018 National Strength and Conditioning Association</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4293-e63045012ccaf3fe6544f325a05a6b1f748a1cf794f65ae2e7782fef004b6dff3</citedby><cites>FETCH-LOGICAL-c4293-e63045012ccaf3fe6544f325a05a6b1f748a1cf794f65ae2e7782fef004b6dff3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30399116$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kliszczewicz, Brian</creatorcontrib><creatorcontrib>Markert, Chad D.</creatorcontrib><creatorcontrib>Bechke, Emily</creatorcontrib><creatorcontrib>Williamson, Cassie</creatorcontrib><creatorcontrib>Clemons, Khala N.</creatorcontrib><creatorcontrib>Snarr, Ronald L.</creatorcontrib><creatorcontrib>McKenzie, Michael J.</creatorcontrib><title>Acute Effect of Popular High-Intensity Functional Training Exercise on Physiologic Markers of Growth</title><title>Journal of strength and conditioning research</title><addtitle>J Strength Cond Res</addtitle><description>ABSTRACTKliszczewicz, B, Markert, CD, Bechke, E, Williamson, C, Clemons, KN, Snarr, RL, and McKenzie, MJ. Acute effect of popular high-intensity functional training exercise on physiologic markers of growth. J Strength Cond Res XX(X)000–000, 2018—Constantly evolving, high-intensity functional training (HIFT) exercise consists of various modalities, orders, weights, and repetition schemes. High-intensity functional training has gained popularity among the general population, but lacks empirical evidence regarding acute adaptive responses. The purpose of this study was to describe the acute effects of 2 representative bouts of HIFT on physiologic markers of growth. For convenience, the bouts are designated “short” (<5 minutes) and “long” (∼15 minutes), although duration was not the only difference between bouts. Ten apparently healthy men (28.1 ± 5 years) performed 2 HIFT bouts in a randomized crossover design. Blood was collected at 5 time points (Pre, Post, 1, 3, and 6 hours) to examine growth hormone (GH), insulin-like growth factor (IGF-1), insulin-like growth factor binding proteins 1 and 2 (IGFBP-1 and IGFBP-2), and vascular endothelial growth factor (VEGF). Blood lactate concentration ([La]) was analyzed at the Pre and Post time points. A repeated-measures analysis of variance (ANOVA) revealed no trial differences among the markers (IGF-1, IGFBP-1, IGFBP-2, and VEGF) except GH at Post, where the long bout produced a greater effect (p = 0.005). Mean GH levels (pg·ml) in the short bout increased from 68.4 to 106.5, and in the long bout, mean GH levels increased from 38.5 to 286.4. The repeated-measures ANOVA revealed a main time effect in GH (p = 0.037), while a post hoc t-test demonstrated elevated GH at 1 hour (p = 0.018) when compared with Pre. No time-dependent change (p > 0.05) was observed in IGF-1, IGFBP-1, IGFBP-2, or VEGF. Mean blood [lactate] increased more than tenfold in both bouts. The findings of this descriptive study suggest that, other than GH, there are no acute differences in markers of skeletal muscle or vascular growth between these 2 specific HIFT bouts.</description><subject>Acute effects</subject><subject>Blood levels</subject><subject>Growth hormones</subject><subject>Insulin</subject><subject>Insulin-like growth factor I</subject><subject>Insulin-like growth factor-binding protein 1</subject><subject>Insulin-like growth factor-binding protein 2</subject><subject>Insulin-like growth factors</subject><subject>Lactic acid</subject><subject>Skeletal muscle</subject><subject>Variance analysis</subject><subject>Vascular endothelial growth factor</subject><issn>1064-8011</issn><issn>1533-4287</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkUtrGzEUhUVJaF79B6UIsslmEj1HM8tgnBcpDSRdD7J85VEij1xJg-t_XxknJWTRanO1-M7h3nMQ-krJOZW0vbh7nJyTd4-1nH9Ch1RyXgnWqL3yJ7WoGkLpATpK6bkwUkr-GR1wwtuW0voQzS_NmAFPrQWTcbD4IaxGryO-cYu-uh0yDMnlDb4aB5NdGLTHT1G7wQ0LPP0N0bgEOAz4od8kF3xYOIO_6_gCMW3drmNY5_4E7VvtE3x5ncfo59X0aXJT3f-4vp1c3ldGlO0rqDkRklBmjLbcQi2FsJxJTaSuZ9Qq0WhqrGqFraUGBko1zIIlRMzqubX8GJ3tfFcx_Boh5W7pkgHv9QBhTB2jnKi2LSkU9PQD-hzGWM4rVKNESxipeaHEjjIxpBTBdqvoljpuOkq6bQtdaaH72EKRfXs1H2dLmP8VvcVegGYHrIPPJaoXP64hdj1on_v_eYt_SElJTzDVVIyw0n4RVVuh4n8AnniiiQ</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Kliszczewicz, Brian</creator><creator>Markert, Chad D.</creator><creator>Bechke, Emily</creator><creator>Williamson, Cassie</creator><creator>Clemons, Khala N.</creator><creator>Snarr, Ronald L.</creator><creator>McKenzie, Michael J.</creator><general>Journal of Strength and Conditioning Research</general><general>Copyright by the National Strength & Conditioning Association</general><general>Lippincott Williams & Wilkins Ovid Technologies</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TS</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>7X8</scope></search><sort><creationdate>20210601</creationdate><title>Acute Effect of Popular High-Intensity Functional Training Exercise on Physiologic Markers of Growth</title><author>Kliszczewicz, Brian ; Markert, Chad D. ; Bechke, Emily ; Williamson, Cassie ; Clemons, Khala N. ; Snarr, Ronald L. ; McKenzie, Michael J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4293-e63045012ccaf3fe6544f325a05a6b1f748a1cf794f65ae2e7782fef004b6dff3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acute effects</topic><topic>Blood levels</topic><topic>Growth hormones</topic><topic>Insulin</topic><topic>Insulin-like growth factor I</topic><topic>Insulin-like growth factor-binding protein 1</topic><topic>Insulin-like growth factor-binding protein 2</topic><topic>Insulin-like growth factors</topic><topic>Lactic acid</topic><topic>Skeletal muscle</topic><topic>Variance analysis</topic><topic>Vascular endothelial growth factor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kliszczewicz, Brian</creatorcontrib><creatorcontrib>Markert, Chad D.</creatorcontrib><creatorcontrib>Bechke, Emily</creatorcontrib><creatorcontrib>Williamson, Cassie</creatorcontrib><creatorcontrib>Clemons, Khala N.</creatorcontrib><creatorcontrib>Snarr, Ronald L.</creatorcontrib><creatorcontrib>McKenzie, Michael J.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Physical Education Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of strength and conditioning research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kliszczewicz, Brian</au><au>Markert, Chad D.</au><au>Bechke, Emily</au><au>Williamson, Cassie</au><au>Clemons, Khala N.</au><au>Snarr, Ronald L.</au><au>McKenzie, Michael J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acute Effect of Popular High-Intensity Functional Training Exercise on Physiologic Markers of Growth</atitle><jtitle>Journal of strength and conditioning research</jtitle><addtitle>J Strength Cond Res</addtitle><date>2021-06-01</date><risdate>2021</risdate><volume>35</volume><issue>6</issue><spage>1677</spage><epage>1684</epage><pages>1677-1684</pages><issn>1064-8011</issn><eissn>1533-4287</eissn><abstract>ABSTRACTKliszczewicz, B, Markert, CD, Bechke, E, Williamson, C, Clemons, KN, Snarr, RL, and McKenzie, MJ. Acute effect of popular high-intensity functional training exercise on physiologic markers of growth. J Strength Cond Res XX(X)000–000, 2018—Constantly evolving, high-intensity functional training (HIFT) exercise consists of various modalities, orders, weights, and repetition schemes. High-intensity functional training has gained popularity among the general population, but lacks empirical evidence regarding acute adaptive responses. The purpose of this study was to describe the acute effects of 2 representative bouts of HIFT on physiologic markers of growth. For convenience, the bouts are designated “short” (<5 minutes) and “long” (∼15 minutes), although duration was not the only difference between bouts. Ten apparently healthy men (28.1 ± 5 years) performed 2 HIFT bouts in a randomized crossover design. Blood was collected at 5 time points (Pre, Post, 1, 3, and 6 hours) to examine growth hormone (GH), insulin-like growth factor (IGF-1), insulin-like growth factor binding proteins 1 and 2 (IGFBP-1 and IGFBP-2), and vascular endothelial growth factor (VEGF). Blood lactate concentration ([La]) was analyzed at the Pre and Post time points. A repeated-measures analysis of variance (ANOVA) revealed no trial differences among the markers (IGF-1, IGFBP-1, IGFBP-2, and VEGF) except GH at Post, where the long bout produced a greater effect (p = 0.005). Mean GH levels (pg·ml) in the short bout increased from 68.4 to 106.5, and in the long bout, mean GH levels increased from 38.5 to 286.4. The repeated-measures ANOVA revealed a main time effect in GH (p = 0.037), while a post hoc t-test demonstrated elevated GH at 1 hour (p = 0.018) when compared with Pre. No time-dependent change (p > 0.05) was observed in IGF-1, IGFBP-1, IGFBP-2, or VEGF. Mean blood [lactate] increased more than tenfold in both bouts. The findings of this descriptive study suggest that, other than GH, there are no acute differences in markers of skeletal muscle or vascular growth between these 2 specific HIFT bouts.</abstract><cop>United States</cop><pub>Journal of Strength and Conditioning Research</pub><pmid>30399116</pmid><doi>10.1519/JSC.0000000000002933</doi><tpages>8</tpages></addata></record> |
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| subjects | Acute effects Blood levels Growth hormones Insulin Insulin-like growth factor I Insulin-like growth factor-binding protein 1 Insulin-like growth factor-binding protein 2 Insulin-like growth factors Lactic acid Skeletal muscle Variance analysis Vascular endothelial growth factor |
| title | Acute Effect of Popular High-Intensity Functional Training Exercise on Physiologic Markers of Growth |
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