Muscle Strength and Flexibility Characteristics of People Displaying Excessive Medial Knee Displacement
Abstract Bell DR, Padua DA, Clark MA. Muscle strength and flexibility characteristics of people displaying excessive medial knee displacement. Objective To determine differences in strength and range of motion (ROM) between participants who exhibit medial knee displacement (MKD) during a squat that...
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| Veröffentlicht in: | Archives of physical medicine and rehabilitation 2008-07, Vol.89 (7), p.1323-1328 |
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| creator | Bell, David R., MEd, ATC Padua, Darin A., PhD, ATC Clark, Michael A., DPT, MS, PES, CES |
| description | Abstract Bell DR, Padua DA, Clark MA. Muscle strength and flexibility characteristics of people displaying excessive medial knee displacement. Objective To determine differences in strength and range of motion (ROM) between participants who exhibit medial knee displacement (MKD) during a squat that is corrected by a heel lift and those who do not. Design Case control. Setting Sports medicine research laboratory. Participants Thirty-seven healthy subjects (control, 19; MKD, 18) with no lower-extremity injury in the past 6 months volunteered to participate. Interventions Not applicable. Main Outcome Measures Peak force was measured in newtons using a hand-held dynamometer and passive ROM was measured in degrees with a goniometer. Separate multivariate analyses of variance were used to determine differences in strength and ROM between groups. Post hoc testing was used to elucidate differences between groups. Results The MKD group had the following: greater hip external rotation strength ( P =.03), increased hip extension strength ( P =.01), less plantarflexion strength ( P =.007), and increased hip external rotation ROM ( P =.008). Conclusions The MKD group exhibited tight and weak ankle musculature. Interventions focusing on improving strength and ROM of the ankle may improve kinematics during a squat. |
| doi_str_mv | 10.1016/j.apmr.2007.11.048 |
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Muscle strength and flexibility characteristics of people displaying excessive medial knee displacement. Objective To determine differences in strength and range of motion (ROM) between participants who exhibit medial knee displacement (MKD) during a squat that is corrected by a heel lift and those who do not. Design Case control. Setting Sports medicine research laboratory. Participants Thirty-seven healthy subjects (control, 19; MKD, 18) with no lower-extremity injury in the past 6 months volunteered to participate. Interventions Not applicable. Main Outcome Measures Peak force was measured in newtons using a hand-held dynamometer and passive ROM was measured in degrees with a goniometer. Separate multivariate analyses of variance were used to determine differences in strength and ROM between groups. Post hoc testing was used to elucidate differences between groups. Results The MKD group had the following: greater hip external rotation strength ( P =.03), increased hip extension strength ( P =.01), less plantarflexion strength ( P =.007), and increased hip external rotation ROM ( P =.008). Conclusions The MKD group exhibited tight and weak ankle musculature. Interventions focusing on improving strength and ROM of the ankle may improve kinematics during a squat.</description><identifier>ISSN: 0003-9993</identifier><identifier>EISSN: 1532-821X</identifier><identifier>DOI: 10.1016/j.apmr.2007.11.048</identifier><identifier>PMID: 18586134</identifier><identifier>CODEN: APMHAI</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Ankle Joint - physiopathology ; Biological and medical sciences ; Case-Control Studies ; Diseases of the osteoarticular system ; Exercise - physiology ; Hip Joint - physiopathology ; Humans ; Joint Instability - physiopathology ; Knee ; Knee Joint - physiopathology ; Medical sciences ; Miscellaneous ; Muscle Strength ; Muscle Strength Dynamometer ; Muscle, skeletal ; Muscle, Skeletal - physiopathology ; Physical Medicine and Rehabilitation ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Range of Motion, Articular ; Rehabilitation ; Rotation</subject><ispartof>Archives of physical medicine and rehabilitation, 2008-07, Vol.89 (7), p.1323-1328</ispartof><rights>American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation</rights><rights>2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c505t-de5eb96b63d5bd72ce67430bebe18a7b3f3511462af6d0ce506585d42c88f1c43</citedby><cites>FETCH-LOGICAL-c505t-de5eb96b63d5bd72ce67430bebe18a7b3f3511462af6d0ce506585d42c88f1c43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apmr.2007.11.048$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20501196$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18586134$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bell, David R., MEd, ATC</creatorcontrib><creatorcontrib>Padua, Darin A., PhD, ATC</creatorcontrib><creatorcontrib>Clark, Michael A., DPT, MS, PES, CES</creatorcontrib><title>Muscle Strength and Flexibility Characteristics of People Displaying Excessive Medial Knee Displacement</title><title>Archives of physical medicine and rehabilitation</title><addtitle>Arch Phys Med Rehabil</addtitle><description>Abstract Bell DR, Padua DA, Clark MA. Muscle strength and flexibility characteristics of people displaying excessive medial knee displacement. Objective To determine differences in strength and range of motion (ROM) between participants who exhibit medial knee displacement (MKD) during a squat that is corrected by a heel lift and those who do not. Design Case control. Setting Sports medicine research laboratory. Participants Thirty-seven healthy subjects (control, 19; MKD, 18) with no lower-extremity injury in the past 6 months volunteered to participate. Interventions Not applicable. Main Outcome Measures Peak force was measured in newtons using a hand-held dynamometer and passive ROM was measured in degrees with a goniometer. Separate multivariate analyses of variance were used to determine differences in strength and ROM between groups. Post hoc testing was used to elucidate differences between groups. Results The MKD group had the following: greater hip external rotation strength ( P =.03), increased hip extension strength ( P =.01), less plantarflexion strength ( P =.007), and increased hip external rotation ROM ( P =.008). Conclusions The MKD group exhibited tight and weak ankle musculature. Interventions focusing on improving strength and ROM of the ankle may improve kinematics during a squat.</description><subject>Ankle Joint - physiopathology</subject><subject>Biological and medical sciences</subject><subject>Case-Control Studies</subject><subject>Diseases of the osteoarticular system</subject><subject>Exercise - physiology</subject><subject>Hip Joint - physiopathology</subject><subject>Humans</subject><subject>Joint Instability - physiopathology</subject><subject>Knee</subject><subject>Knee Joint - physiopathology</subject><subject>Medical sciences</subject><subject>Miscellaneous</subject><subject>Muscle Strength</subject><subject>Muscle Strength Dynamometer</subject><subject>Muscle, skeletal</subject><subject>Muscle, Skeletal - physiopathology</subject><subject>Physical Medicine and Rehabilitation</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Range of Motion, Articular</subject><subject>Rehabilitation</subject><subject>Rotation</subject><issn>0003-9993</issn><issn>1532-821X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9klGL1DAQx4Mo3nr6BXyQvuhbayZp0hZEONa7U7xD4RR8C2k63cuapjXpHrff_lJ2VfDBpzDw-89kfgwhL4EWQEG-3RZ6GkLBKK0KgIKW9SOyAsFZXjP48ZisKKU8b5qGn5BnMW5TKQWHp-QEalFL4OWKbK530TjMbuaAfjPfZtp32YXDe9taZ-d9tr7VQZsZg42zNTEb--wrjlOKfLBxcnpv_SY7vzcYo73D7Bo7q1322eNvwOCAfn5OnvTaRXxxfE_J94vzb-uP-dWXy0_rs6vcCCrmvEOBbSNbyTvRdhUzKKuS0xZbhFpXLe-5ACgl073sqEGRNqpFVzJT1z2Ykp-SN4e-Uxh_7TDOarDRoHPa47iLSjZMNEw2CWQH0IQxxoC9moIddNgroGrRq7Zq0asWvQpAJb0p9OrYfdcO2P2NHH0m4PUR0NFo1wftjY1_OEYFBWhk4t4dOEwu7iwGFY1Fb5K9gGZW3Wj__4_3_8SNs96miT9xj3E77oJPlhWoyBRVN8shLHdAa0pZxUr-ANP7rvM</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Bell, David R., MEd, ATC</creator><creator>Padua, Darin A., PhD, ATC</creator><creator>Clark, Michael A., DPT, MS, PES, CES</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><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>7X8</scope></search><sort><creationdate>20080701</creationdate><title>Muscle Strength and Flexibility Characteristics of People Displaying Excessive Medial Knee Displacement</title><author>Bell, David R., MEd, ATC ; Padua, Darin A., PhD, ATC ; Clark, Michael A., DPT, MS, PES, CES</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c505t-de5eb96b63d5bd72ce67430bebe18a7b3f3511462af6d0ce506585d42c88f1c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Ankle Joint - physiopathology</topic><topic>Biological and medical sciences</topic><topic>Case-Control Studies</topic><topic>Diseases of the osteoarticular system</topic><topic>Exercise - physiology</topic><topic>Hip Joint - physiopathology</topic><topic>Humans</topic><topic>Joint Instability - physiopathology</topic><topic>Knee</topic><topic>Knee Joint - physiopathology</topic><topic>Medical sciences</topic><topic>Miscellaneous</topic><topic>Muscle Strength</topic><topic>Muscle Strength Dynamometer</topic><topic>Muscle, skeletal</topic><topic>Muscle, Skeletal - physiopathology</topic><topic>Physical Medicine and Rehabilitation</topic><topic>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Range of Motion, Articular</topic><topic>Rehabilitation</topic><topic>Rotation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bell, David R., MEd, ATC</creatorcontrib><creatorcontrib>Padua, Darin A., PhD, ATC</creatorcontrib><creatorcontrib>Clark, Michael A., DPT, MS, PES, CES</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Archives of physical medicine and rehabilitation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bell, David R., MEd, ATC</au><au>Padua, Darin A., PhD, ATC</au><au>Clark, Michael A., DPT, MS, PES, CES</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Muscle Strength and Flexibility Characteristics of People Displaying Excessive Medial Knee Displacement</atitle><jtitle>Archives of physical medicine and rehabilitation</jtitle><addtitle>Arch Phys Med Rehabil</addtitle><date>2008-07-01</date><risdate>2008</risdate><volume>89</volume><issue>7</issue><spage>1323</spage><epage>1328</epage><pages>1323-1328</pages><issn>0003-9993</issn><eissn>1532-821X</eissn><coden>APMHAI</coden><abstract>Abstract Bell DR, Padua DA, Clark MA. Muscle strength and flexibility characteristics of people displaying excessive medial knee displacement. Objective To determine differences in strength and range of motion (ROM) between participants who exhibit medial knee displacement (MKD) during a squat that is corrected by a heel lift and those who do not. Design Case control. Setting Sports medicine research laboratory. Participants Thirty-seven healthy subjects (control, 19; MKD, 18) with no lower-extremity injury in the past 6 months volunteered to participate. Interventions Not applicable. Main Outcome Measures Peak force was measured in newtons using a hand-held dynamometer and passive ROM was measured in degrees with a goniometer. Separate multivariate analyses of variance were used to determine differences in strength and ROM between groups. Post hoc testing was used to elucidate differences between groups. Results The MKD group had the following: greater hip external rotation strength ( P =.03), increased hip extension strength ( P =.01), less plantarflexion strength ( P =.007), and increased hip external rotation ROM ( P =.008). Conclusions The MKD group exhibited tight and weak ankle musculature. Interventions focusing on improving strength and ROM of the ankle may improve kinematics during a squat.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>18586134</pmid><doi>10.1016/j.apmr.2007.11.048</doi><tpages>6</tpages></addata></record> |
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| subjects | Ankle Joint - physiopathology Biological and medical sciences Case-Control Studies Diseases of the osteoarticular system Exercise - physiology Hip Joint - physiopathology Humans Joint Instability - physiopathology Knee Knee Joint - physiopathology Medical sciences Miscellaneous Muscle Strength Muscle Strength Dynamometer Muscle, skeletal Muscle, Skeletal - physiopathology Physical Medicine and Rehabilitation Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Range of Motion, Articular Rehabilitation Rotation |
| title | Muscle Strength and Flexibility Characteristics of People Displaying Excessive Medial Knee Displacement |
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