Effects of Walking Speed on Net Muscle Moments and Contact Forces at the Knee
PURPOSE: To quantify the magnitudes and changes in NMM and JCF during slow and fast walking. METHODS: We collected kinematic and kinetic data as ten subjects (mass = 63.5 (11.0) kg, mean (SD)) walked on a dual-belt force measuring treadmill at 0.75 m/s 1.50 m/s. An OpenSim three-dimensional musculos...
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| Veröffentlicht in: | Medicine and science in sports and exercise 2012-05, Vol.44 (5S), p.434-434 |
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| container_title | Medicine and science in sports and exercise |
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| creator | Haight, Derek J Reynolds, Michelle M Board, Wayne J Connor, Trevor Nolte, Melissa Browning, Raymond C |
| description | PURPOSE: To quantify the magnitudes and changes in NMM and JCF during slow and fast walking. METHODS: We collected kinematic and kinetic data as ten subjects (mass = 63.5 (11.0) kg, mean (SD)) walked on a dual-belt force measuring treadmill at 0.75 m/s 1.50 m/s. An OpenSim three-dimensional musculoskeletal model with 23 degrees of freedom and 92 muscles was scaled to each subject. RESULTS: The peak extensor NMM at the knee increased ~140% from 0.30 (0.23) Nm/kg to 0.7 (0.21) Nm/kg and the peak flexor NMM increased ~50% from 0.38 (0.14) Nm/kg to 0.58 (0.07) Nm/kg as walking speed was increased from 0.75 m/s to 1.50 m/s, (p |
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METHODS: We collected kinematic and kinetic data as ten subjects (mass = 63.5 (11.0) kg, mean (SD)) walked on a dual-belt force measuring treadmill at 0.75 m/s 1.50 m/s. An OpenSim three-dimensional musculoskeletal model with 23 degrees of freedom and 92 muscles was scaled to each subject. RESULTS: The peak extensor NMM at the knee increased ~140% from 0.30 (0.23) Nm/kg to 0.7 (0.21) Nm/kg and the peak flexor NMM increased ~50% from 0.38 (0.14) Nm/kg to 0.58 (0.07) Nm/kg as walking speed was increased from 0.75 m/s to 1.50 m/s, (p<.01, Figure 1a). Peak axial JCF increased ~15% from 3.65 (0.44) BW to 4.18 (0.54) BW at 0.75 m/s and 1.50 m/s respectively, (p<.01, Figure 1b).</description><identifier>ISSN: 0195-9131</identifier><language>eng</language><ispartof>Medicine and science in sports and exercise, 2012-05, Vol.44 (5S), p.434-434</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781</link.rule.ids></links><search><creatorcontrib>Haight, Derek J</creatorcontrib><creatorcontrib>Reynolds, Michelle M</creatorcontrib><creatorcontrib>Board, Wayne J</creatorcontrib><creatorcontrib>Connor, Trevor</creatorcontrib><creatorcontrib>Nolte, Melissa</creatorcontrib><creatorcontrib>Browning, Raymond C</creatorcontrib><title>Effects of Walking Speed on Net Muscle Moments and Contact Forces at the Knee</title><title>Medicine and science in sports and exercise</title><description>PURPOSE: To quantify the magnitudes and changes in NMM and JCF during slow and fast walking. 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Peak axial JCF increased ~15% from 3.65 (0.44) BW to 4.18 (0.54) BW at 0.75 m/s and 1.50 m/s respectively, (p<.01, Figure 1b).</description><issn>0195-9131</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqVyr0OgjAUQOEOmog_73BHF5I2hQAzgZgYXDRxJE25VbS0yC3vL4Mv4HSSk2_FIi6KNC6EFBu2JXpxzjMpRcSayhjUgcAbuCv77t0DriNiB97BBQM0M2mL0PgB3cKU66D0LigdoPaTxmUFCE-Es0Pcs7VRlvDw644d6-pWnuJx8p8ZKbRDTxqtVQ79TK3IRJbkRZ5I-Qf9AvYvP_A</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Haight, Derek J</creator><creator>Reynolds, Michelle M</creator><creator>Board, Wayne J</creator><creator>Connor, Trevor</creator><creator>Nolte, Melissa</creator><creator>Browning, Raymond C</creator><scope>7TS</scope></search><sort><creationdate>20120501</creationdate><title>Effects of Walking Speed on Net Muscle Moments and Contact Forces at the Knee</title><author>Haight, Derek J ; Reynolds, Michelle M ; Board, Wayne J ; Connor, Trevor ; Nolte, Melissa ; Browning, Raymond C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_17174898433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Haight, Derek J</creatorcontrib><creatorcontrib>Reynolds, Michelle M</creatorcontrib><creatorcontrib>Board, Wayne J</creatorcontrib><creatorcontrib>Connor, Trevor</creatorcontrib><creatorcontrib>Nolte, Melissa</creatorcontrib><creatorcontrib>Browning, Raymond C</creatorcontrib><collection>Physical Education Index</collection><jtitle>Medicine and science in sports and exercise</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Haight, Derek J</au><au>Reynolds, Michelle M</au><au>Board, Wayne J</au><au>Connor, Trevor</au><au>Nolte, Melissa</au><au>Browning, Raymond C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Walking Speed on Net Muscle Moments and Contact Forces at the Knee</atitle><jtitle>Medicine and science in sports and exercise</jtitle><date>2012-05-01</date><risdate>2012</risdate><volume>44</volume><issue>5S</issue><spage>434</spage><epage>434</epage><pages>434-434</pages><issn>0195-9131</issn><abstract>PURPOSE: To quantify the magnitudes and changes in NMM and JCF during slow and fast walking. METHODS: We collected kinematic and kinetic data as ten subjects (mass = 63.5 (11.0) kg, mean (SD)) walked on a dual-belt force measuring treadmill at 0.75 m/s 1.50 m/s. An OpenSim three-dimensional musculoskeletal model with 23 degrees of freedom and 92 muscles was scaled to each subject. RESULTS: The peak extensor NMM at the knee increased ~140% from 0.30 (0.23) Nm/kg to 0.7 (0.21) Nm/kg and the peak flexor NMM increased ~50% from 0.38 (0.14) Nm/kg to 0.58 (0.07) Nm/kg as walking speed was increased from 0.75 m/s to 1.50 m/s, (p<.01, Figure 1a). Peak axial JCF increased ~15% from 3.65 (0.44) BW to 4.18 (0.54) BW at 0.75 m/s and 1.50 m/s respectively, (p<.01, Figure 1b).</abstract></addata></record> |
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| ispartof | Medicine and science in sports and exercise, 2012-05, Vol.44 (5S), p.434-434 |
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| title | Effects of Walking Speed on Net Muscle Moments and Contact Forces at the Knee |
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