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A comparison of ground reaction force waveforms and step length between recreational endurance runners with hamstring injuries and healthy controls
Acute hamstring injuries during sprinting have been attributed, in part, to the ground reaction forces experienced during early stance. However, no studies have investigated the factors associated with overuse hamstring injuries in endurance runners. Our purpose was to compare early stance ground re...
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Published in: | Clinical biomechanics (Bristol) 2021-04, Vol.84, p.105334-105334, Article 105334 |
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description | Acute hamstring injuries during sprinting have been attributed, in part, to the ground reaction forces experienced during early stance. However, no studies have investigated the factors associated with overuse hamstring injuries in endurance runners. Our purpose was to compare early stance ground reaction forces and step length between runners with overuse hamstring injuries and healthy controls.
23 runners (5 men/ 18 women) who presented to a running clinic with an overuse hamstring injury were matched with healthy controls for sex, running speed and age. All participants ran on an instrumented treadmill, embedded with force plates. A 3-min warm-up was given, at a self-selected training pace, followed by 16-s of ground reaction force data collection (≈20 strides). Statistical parametric mapping was used to compared ground reaction force waveforms. Additionally, discrete force variables were calculated, including vertical average/instantaneous. Mean comparisons for discrete ground reaction force variables and step length were performed.
Differences in ground reaction force waveforms did not reach statistical significance (p > 0.05). However, mean vertical loading rates were found to be higher in the Hamstring Injury group compared to Controls (p = 0.03–0.04) with small to moderate effect sizes (d = 0.47–0.52). No differences were found in mean step length.
These results provide evidence that vertical loading rates may be associated with overuse hamstring injuries. However, further research is needed to identify the contribution of joint kinematics/kinetics and muscle activity.
•Recreational runners with and without hamstring injuries were compared.•No differences in ensemble force waveforms were found between groups.•Vertical loading rates in early stance were moderately higher with hamstring injury.•No differences were detected in step length. |
doi_str_mv | 10.1016/j.clinbiomech.2021.105334 |
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23 runners (5 men/ 18 women) who presented to a running clinic with an overuse hamstring injury were matched with healthy controls for sex, running speed and age. All participants ran on an instrumented treadmill, embedded with force plates. A 3-min warm-up was given, at a self-selected training pace, followed by 16-s of ground reaction force data collection (≈20 strides). Statistical parametric mapping was used to compared ground reaction force waveforms. Additionally, discrete force variables were calculated, including vertical average/instantaneous. Mean comparisons for discrete ground reaction force variables and step length were performed.
Differences in ground reaction force waveforms did not reach statistical significance (p > 0.05). However, mean vertical loading rates were found to be higher in the Hamstring Injury group compared to Controls (p = 0.03–0.04) with small to moderate effect sizes (d = 0.47–0.52). No differences were found in mean step length.
These results provide evidence that vertical loading rates may be associated with overuse hamstring injuries. However, further research is needed to identify the contribution of joint kinematics/kinetics and muscle activity.
•Recreational runners with and without hamstring injuries were compared.•No differences in ensemble force waveforms were found between groups.•Vertical loading rates in early stance were moderately higher with hamstring injury.•No differences were detected in step length.</description><identifier>ISSN: 0268-0033</identifier><identifier>EISSN: 1879-1271</identifier><identifier>DOI: 10.1016/j.clinbiomech.2021.105334</identifier><identifier>PMID: 33774324</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Gait mechanics ; Kinetics ; Muscle strain ; Overuse ; Running</subject><ispartof>Clinical biomechanics (Bristol), 2021-04, Vol.84, p.105334-105334, Article 105334</ispartof><rights>2021</rights><rights>Copyright © 2021. Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-b2700da666cdff8de43d95fd44d4ad5fb2b325920dd83a77b2e2b77c0897f91a3</citedby><cites>FETCH-LOGICAL-c377t-b2700da666cdff8de43d95fd44d4ad5fb2b325920dd83a77b2e2b77c0897f91a3</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/33774324$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Johnson, Caleb D.</creatorcontrib><creatorcontrib>Davis, Irene S.</creatorcontrib><title>A comparison of ground reaction force waveforms and step length between recreational endurance runners with hamstring injuries and healthy controls</title><title>Clinical biomechanics (Bristol)</title><addtitle>Clin Biomech (Bristol, Avon)</addtitle><description>Acute hamstring injuries during sprinting have been attributed, in part, to the ground reaction forces experienced during early stance. However, no studies have investigated the factors associated with overuse hamstring injuries in endurance runners. Our purpose was to compare early stance ground reaction forces and step length between runners with overuse hamstring injuries and healthy controls.
23 runners (5 men/ 18 women) who presented to a running clinic with an overuse hamstring injury were matched with healthy controls for sex, running speed and age. All participants ran on an instrumented treadmill, embedded with force plates. A 3-min warm-up was given, at a self-selected training pace, followed by 16-s of ground reaction force data collection (≈20 strides). Statistical parametric mapping was used to compared ground reaction force waveforms. Additionally, discrete force variables were calculated, including vertical average/instantaneous. Mean comparisons for discrete ground reaction force variables and step length were performed.
Differences in ground reaction force waveforms did not reach statistical significance (p > 0.05). However, mean vertical loading rates were found to be higher in the Hamstring Injury group compared to Controls (p = 0.03–0.04) with small to moderate effect sizes (d = 0.47–0.52). No differences were found in mean step length.
These results provide evidence that vertical loading rates may be associated with overuse hamstring injuries. However, further research is needed to identify the contribution of joint kinematics/kinetics and muscle activity.
•Recreational runners with and without hamstring injuries were compared.•No differences in ensemble force waveforms were found between groups.•Vertical loading rates in early stance were moderately higher with hamstring injury.•No differences were detected in step length.</description><subject>Gait mechanics</subject><subject>Kinetics</subject><subject>Muscle strain</subject><subject>Overuse</subject><subject>Running</subject><issn>0268-0033</issn><issn>1879-1271</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNkcuO1DAQRS0EYpqBX0BmxyaNX4mT5ajFSxqJDawtxy533ErsxnamNd_BD-NWBsSSVZXK91SV6yL0jpI9JbT7cNqb2YfRxwXMtGeE0VpvORfP0I72cmgok_Q52hHW9Q0hnN-gVzmfCCGCtfIluuFcSsGZ2KFfd9jE5ayTzzHg6PAxxTVYnECb4mvJxWQAX_QD1GzJWNfHXOCMZwjHMuERygUgVMBU5oroGUOwa9KhgmkNAVLGF1-1k15yST4csQ-nNXnY2k2g5zI91kVCSXHOr9ELp-cMb57iLfrx6eP3w5fm_tvnr4e7-8bU9UszMkmI1V3XGetcb0FwO7TOCmGFtq0b2chZOzBibc-1lCMDNkppSD9IN1DNb9H7re85xZ8r5KIWnw3Msw4Q16xYS7qWEi54lQ6b1KSYcwKnzskvOj0qStTVE3VS_3iirp6ozZPKvn0as44L2L_kHxOq4LAJoH72wUNS2Xio17O-XrUoG_1_jPkNCFmn0Q</recordid><startdate>202104</startdate><enddate>202104</enddate><creator>Johnson, Caleb D.</creator><creator>Davis, Irene S.</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>202104</creationdate><title>A comparison of ground reaction force waveforms and step length between recreational endurance runners with hamstring injuries and healthy controls</title><author>Johnson, Caleb D. ; Davis, Irene S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-b2700da666cdff8de43d95fd44d4ad5fb2b325920dd83a77b2e2b77c0897f91a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Gait mechanics</topic><topic>Kinetics</topic><topic>Muscle strain</topic><topic>Overuse</topic><topic>Running</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Johnson, Caleb D.</creatorcontrib><creatorcontrib>Davis, Irene S.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical biomechanics (Bristol)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Johnson, Caleb D.</au><au>Davis, Irene S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A comparison of ground reaction force waveforms and step length between recreational endurance runners with hamstring injuries and healthy controls</atitle><jtitle>Clinical biomechanics (Bristol)</jtitle><addtitle>Clin Biomech (Bristol, Avon)</addtitle><date>2021-04</date><risdate>2021</risdate><volume>84</volume><spage>105334</spage><epage>105334</epage><pages>105334-105334</pages><artnum>105334</artnum><issn>0268-0033</issn><eissn>1879-1271</eissn><abstract>Acute hamstring injuries during sprinting have been attributed, in part, to the ground reaction forces experienced during early stance. However, no studies have investigated the factors associated with overuse hamstring injuries in endurance runners. Our purpose was to compare early stance ground reaction forces and step length between runners with overuse hamstring injuries and healthy controls.
23 runners (5 men/ 18 women) who presented to a running clinic with an overuse hamstring injury were matched with healthy controls for sex, running speed and age. All participants ran on an instrumented treadmill, embedded with force plates. A 3-min warm-up was given, at a self-selected training pace, followed by 16-s of ground reaction force data collection (≈20 strides). Statistical parametric mapping was used to compared ground reaction force waveforms. Additionally, discrete force variables were calculated, including vertical average/instantaneous. Mean comparisons for discrete ground reaction force variables and step length were performed.
Differences in ground reaction force waveforms did not reach statistical significance (p > 0.05). However, mean vertical loading rates were found to be higher in the Hamstring Injury group compared to Controls (p = 0.03–0.04) with small to moderate effect sizes (d = 0.47–0.52). No differences were found in mean step length.
These results provide evidence that vertical loading rates may be associated with overuse hamstring injuries. However, further research is needed to identify the contribution of joint kinematics/kinetics and muscle activity.
•Recreational runners with and without hamstring injuries were compared.•No differences in ensemble force waveforms were found between groups.•Vertical loading rates in early stance were moderately higher with hamstring injury.•No differences were detected in step length.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>33774324</pmid><doi>10.1016/j.clinbiomech.2021.105334</doi><tpages>1</tpages></addata></record> |
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subjects | Gait mechanics Kinetics Muscle strain Overuse Running |
title | A comparison of ground reaction force waveforms and step length between recreational endurance runners with hamstring injuries and healthy controls |
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