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Maturity alters drop vertical jump landing force‐time profiles but not performance outcomes in adolescent females
The stretch‐shortening cycle (SSC) assists in effective force attenuation upon landing and augments force generation at take‐off during a drop vertical jump (DVJ). General performance outcomes such as jump height or peak measures have been used to assess SSC function in youth populations; however, t...
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Published in: | Scandinavian journal of medicine & science in sports 2021-11, Vol.31 (11), p.2055-2063 |
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container_title | Scandinavian journal of medicine & science in sports |
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creator | Pedley, Jason S. DiCesare, Christopher A. Lloyd, Rhodri S. Oliver, Jon L. Ford, Kevin R. Hewett, Tim E. Myer, Gregory D. |
description | The stretch‐shortening cycle (SSC) assists in effective force attenuation upon landing and augments force generation at take‐off during a drop vertical jump (DVJ). General performance outcomes such as jump height or peak measures have been used to assess SSC function in youth populations; however, these discrete metrics fail to provide insight into temporal jump‐landing characteristics. This study assessed DVJ force‐time profiles in 1013 middle and high‐school female athletes (n = 279 prepubertal, n = 401 pubertal, and n = 333 postpubertal). Maturity status was determined using the Pubertal Maturation Observation Scale. Ground reaction force data were analyzed to extract a range of variables to characterize force‐time profiles. SSC function was categorized as poor, moderate, or good dependent on the presence of an impact peak and spring‐like behavior. No differences in jump height or ground contact time were observed between maturity groups (p > 0.05). Significant differences in absolute peak landing and take‐off force were evident between all maturational statuses (p |
doi_str_mv | 10.1111/sms.14025 |
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General performance outcomes such as jump height or peak measures have been used to assess SSC function in youth populations; however, these discrete metrics fail to provide insight into temporal jump‐landing characteristics. This study assessed DVJ force‐time profiles in 1013 middle and high‐school female athletes (n = 279 prepubertal, n = 401 pubertal, and n = 333 postpubertal). Maturity status was determined using the Pubertal Maturation Observation Scale. Ground reaction force data were analyzed to extract a range of variables to characterize force‐time profiles. SSC function was categorized as poor, moderate, or good dependent on the presence of an impact peak and spring‐like behavior. No differences in jump height or ground contact time were observed between maturity groups (p > 0.05). Significant differences in absolute peak landing and take‐off force were evident between all maturational statuses (p < 0.05). Relative to bodyweight normalized forces, only peak take‐off force was significantly different between prepubertal and postpubertal groups (p < 0.05; d = 0.22). Spring‐like behavior showed small improvements from pubertal to postpubertal (p < 0.05; d = 0.25). Most females displayed poor SSC function at prepubertal (79.6%), pubertal (77.3%), and postpubertal (65.5%) stages of maturity. Large increases in absolute forces occur throughout maturation in female athletes; however, only small maturational differences were found in relative force or spring‐like behavior. Consequently, most girls display poor SSC function irrespective of maturity.</description><identifier>ISSN: 0905-7188</identifier><identifier>EISSN: 1600-0838</identifier><identifier>DOI: 10.1111/sms.14025</identifier><identifier>PMID: 34275170</identifier><language>eng</language><publisher>Denmark: Blackwell Publishing Ltd</publisher><subject>Adolescent ; Adolescent Development - physiology ; anterior cruciate ligament ; Athletic Injuries - prevention & control ; Biomechanical Phenomena ; Child ; depth jump ; Female ; Females ; growth ; Humans ; Jumping ; maturation ; Movement - physiology ; plyometric ; Plyometric Exercise ; Weight-Bearing - physiology</subject><ispartof>Scandinavian journal of medicine & science in sports, 2021-11, Vol.31 (11), p.2055-2063</ispartof><rights>2021 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd</rights><rights>2021 John Wiley & Sons A/S. 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General performance outcomes such as jump height or peak measures have been used to assess SSC function in youth populations; however, these discrete metrics fail to provide insight into temporal jump‐landing characteristics. This study assessed DVJ force‐time profiles in 1013 middle and high‐school female athletes (n = 279 prepubertal, n = 401 pubertal, and n = 333 postpubertal). Maturity status was determined using the Pubertal Maturation Observation Scale. Ground reaction force data were analyzed to extract a range of variables to characterize force‐time profiles. SSC function was categorized as poor, moderate, or good dependent on the presence of an impact peak and spring‐like behavior. No differences in jump height or ground contact time were observed between maturity groups (p > 0.05). Significant differences in absolute peak landing and take‐off force were evident between all maturational statuses (p < 0.05). Relative to bodyweight normalized forces, only peak take‐off force was significantly different between prepubertal and postpubertal groups (p < 0.05; d = 0.22). Spring‐like behavior showed small improvements from pubertal to postpubertal (p < 0.05; d = 0.25). Most females displayed poor SSC function at prepubertal (79.6%), pubertal (77.3%), and postpubertal (65.5%) stages of maturity. Large increases in absolute forces occur throughout maturation in female athletes; however, only small maturational differences were found in relative force or spring‐like behavior. Consequently, most girls display poor SSC function irrespective of maturity.</description><subject>Adolescent</subject><subject>Adolescent Development - physiology</subject><subject>anterior cruciate ligament</subject><subject>Athletic Injuries - prevention & control</subject><subject>Biomechanical Phenomena</subject><subject>Child</subject><subject>depth jump</subject><subject>Female</subject><subject>Females</subject><subject>growth</subject><subject>Humans</subject><subject>Jumping</subject><subject>maturation</subject><subject>Movement - physiology</subject><subject>plyometric</subject><subject>Plyometric Exercise</subject><subject>Weight-Bearing - physiology</subject><issn>0905-7188</issn><issn>1600-0838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kc9OVDEUxhujkQFd-AKmiRtdXOjfabsihCiaQFiA66bT22Int7fXthczOx_BZ_RJ6DBIlMRuTpPzy3e-cz4A3mB0iNs7KrEcYoYIfwYWeIlQhySVz8ECKcQ7gaXcA_ulrBHCQjH-EuxRRgTHAi1AuTB1zqFuoBmqywX2OU3w1uUarBngeo4THMzYh_EG-pSt-_3zVw3RwSknHwZX4GqucEwVTi43IJrROpjmalNszTBC06eGWTdW6F007f8KvPBmKO71Qz0AXz99vD793J1fnn05PTnvLGOMd15Kb1hPUM-Wyq3kihjLjWHKeoKtEp57rLxdUoUdQXRpGDUUKeuQIEwSRQ_A8U53mlfR9VsL2Qx6yiGavNHJBP1vZwzf9E261e2mTEq0VXj_oJDT99mVqmNoqwztIi7NRRPOKWGYKtHQd0_QdZrz2PZrlMRCMClIoz7sKJtTKdn5RzcYbcdi3bLU91k29u3f9h_JP-E14GgH_GhBbP6vpK8urnaSd2n6rFU</recordid><startdate>202111</startdate><enddate>202111</enddate><creator>Pedley, Jason S.</creator><creator>DiCesare, Christopher A.</creator><creator>Lloyd, Rhodri S.</creator><creator>Oliver, Jon L.</creator><creator>Ford, Kevin R.</creator><creator>Hewett, Tim E.</creator><creator>Myer, Gregory D.</creator><general>Blackwell Publishing Ltd</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>7TS</scope><scope>K9.</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-4519-1571</orcidid><orcidid>https://orcid.org/0000-0001-7425-3148</orcidid></search><sort><creationdate>202111</creationdate><title>Maturity alters drop vertical jump landing force‐time profiles but not performance outcomes in adolescent females</title><author>Pedley, Jason S. ; DiCesare, Christopher A. ; Lloyd, Rhodri S. ; Oliver, Jon L. ; Ford, Kevin R. ; Hewett, Tim E. ; Myer, Gregory D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4445-f88fa4d20d469eb8b2ac5aa49cf21c97f5f19fc6391e2036a43a309ce07248293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adolescent</topic><topic>Adolescent Development - physiology</topic><topic>anterior cruciate ligament</topic><topic>Athletic Injuries - prevention & control</topic><topic>Biomechanical Phenomena</topic><topic>Child</topic><topic>depth jump</topic><topic>Female</topic><topic>Females</topic><topic>growth</topic><topic>Humans</topic><topic>Jumping</topic><topic>maturation</topic><topic>Movement - physiology</topic><topic>plyometric</topic><topic>Plyometric Exercise</topic><topic>Weight-Bearing - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pedley, Jason S.</creatorcontrib><creatorcontrib>DiCesare, Christopher A.</creatorcontrib><creatorcontrib>Lloyd, Rhodri S.</creatorcontrib><creatorcontrib>Oliver, Jon L.</creatorcontrib><creatorcontrib>Ford, Kevin R.</creatorcontrib><creatorcontrib>Hewett, Tim E.</creatorcontrib><creatorcontrib>Myer, Gregory D.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Physical Education Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scandinavian journal of medicine & science in sports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pedley, Jason S.</au><au>DiCesare, Christopher A.</au><au>Lloyd, Rhodri S.</au><au>Oliver, Jon L.</au><au>Ford, Kevin R.</au><au>Hewett, Tim E.</au><au>Myer, Gregory D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Maturity alters drop vertical jump landing force‐time profiles but not performance outcomes in adolescent females</atitle><jtitle>Scandinavian journal of medicine & science in sports</jtitle><addtitle>Scand J Med Sci Sports</addtitle><date>2021-11</date><risdate>2021</risdate><volume>31</volume><issue>11</issue><spage>2055</spage><epage>2063</epage><pages>2055-2063</pages><issn>0905-7188</issn><eissn>1600-0838</eissn><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>The stretch‐shortening cycle (SSC) assists in effective force attenuation upon landing and augments force generation at take‐off during a drop vertical jump (DVJ). General performance outcomes such as jump height or peak measures have been used to assess SSC function in youth populations; however, these discrete metrics fail to provide insight into temporal jump‐landing characteristics. This study assessed DVJ force‐time profiles in 1013 middle and high‐school female athletes (n = 279 prepubertal, n = 401 pubertal, and n = 333 postpubertal). Maturity status was determined using the Pubertal Maturation Observation Scale. Ground reaction force data were analyzed to extract a range of variables to characterize force‐time profiles. SSC function was categorized as poor, moderate, or good dependent on the presence of an impact peak and spring‐like behavior. No differences in jump height or ground contact time were observed between maturity groups (p > 0.05). Significant differences in absolute peak landing and take‐off force were evident between all maturational statuses (p < 0.05). Relative to bodyweight normalized forces, only peak take‐off force was significantly different between prepubertal and postpubertal groups (p < 0.05; d = 0.22). Spring‐like behavior showed small improvements from pubertal to postpubertal (p < 0.05; d = 0.25). Most females displayed poor SSC function at prepubertal (79.6%), pubertal (77.3%), and postpubertal (65.5%) stages of maturity. Large increases in absolute forces occur throughout maturation in female athletes; however, only small maturational differences were found in relative force or spring‐like behavior. Consequently, most girls display poor SSC function irrespective of maturity.</abstract><cop>Denmark</cop><pub>Blackwell Publishing Ltd</pub><pmid>34275170</pmid><doi>10.1111/sms.14025</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-4519-1571</orcidid><orcidid>https://orcid.org/0000-0001-7425-3148</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Adolescent Adolescent Development - physiology anterior cruciate ligament Athletic Injuries - prevention & control Biomechanical Phenomena Child depth jump Female Females growth Humans Jumping maturation Movement - physiology plyometric Plyometric Exercise Weight-Bearing - physiology |
title | Maturity alters drop vertical jump landing force‐time profiles but not performance outcomes in adolescent females |
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