Knee Extension Lag: Difference between revisions
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'''Original Editor '''- | '''Original Editor '''- [[User:Ajay Upadhyay|Ajay Upadhyay]] | ||
''' | '''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | ||
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== Purpose<br> == | == Purpose<br> == | ||
The term ‘muscle lag’ or ‘extensor lag’ or ‘quadriceps lag’ is a clinical sign with often profound | |||
functional relevance for patients during knee rehabilitation. <br> | |||
== Technique<br> == | == Technique<br> == | ||
An active lag was determined by the inability of the erectly seated subject to actively extend the involved knee in maximal dorsiflexion of the ankle to the same level as the normal knee held in maximal extension and ankle in maximal dorsiflexion, as seen by the levels of the toes. | |||
A passive lag was determined by placing the subject prone with the knees just past the edge of the table and determining the high position of the heel in a fully resting extension position compared to the heel on the normal side. | |||
== Evidence == | == Evidence == | ||
For the sitting active lag test, the inter-rater reliability was 'good' (Kappa 0.792, SE of kappa 0.115, 95% confidence interval). For the prone passive lag test, the inter-rater reliability was 'good' (Kappa 0.636, SE of kappa 0.136, 95% confidence interval). | |||
== Resources == | == Resources == | ||
Sebastian D, Chovvath R, Malladi R. The sitting active and prone passive lag test: an inter-rater reliability study.J Bodyw Mov Ther. 2014 Apr;18(2):204-9. | |||
== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | == Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | ||
<div class="researchbox"> | <div class="researchbox"> | ||
<rss> | <rss>http://www.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=1jUKNaekwK56jgmWMt1JYoDvv9oG_ur8WRt3nVy7WSZqQeIYEr|charset=UTF-8|short|max=10</rss> | ||
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== References == | == References == | ||
Revision as of 06:24, 10 June 2014
Original Editor - Ajay Upadhyay
Top Contributors - Laura Ritchie, Kim Jackson, Ajay Upadhyay, Nehal Shah, Lauren Lopez, Admin, Evan Thomas, WikiSysop and Wanda van Niekerk
Purpose
[edit | edit source]
The term ‘muscle lag’ or ‘extensor lag’ or ‘quadriceps lag’ is a clinical sign with often profound
functional relevance for patients during knee rehabilitation.
Technique
[edit | edit source]
An active lag was determined by the inability of the erectly seated subject to actively extend the involved knee in maximal dorsiflexion of the ankle to the same level as the normal knee held in maximal extension and ankle in maximal dorsiflexion, as seen by the levels of the toes.
A passive lag was determined by placing the subject prone with the knees just past the edge of the table and determining the high position of the heel in a fully resting extension position compared to the heel on the normal side.
Evidence[edit | edit source]
For the sitting active lag test, the inter-rater reliability was 'good' (Kappa 0.792, SE of kappa 0.115, 95% confidence interval). For the prone passive lag test, the inter-rater reliability was 'good' (Kappa 0.636, SE of kappa 0.136, 95% confidence interval).
Resources[edit | edit source]
Sebastian D, Chovvath R, Malladi R. The sitting active and prone passive lag test: an inter-rater reliability study.J Bodyw Mov Ther. 2014 Apr;18(2):204-9.
Recent Related Research (from Pubmed)[edit | edit source]
Failed to load RSS feed from http://www.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=1jUKNaekwK56jgmWMt1JYoDvv9oG_ur8WRt3nVy7WSZqQeIYEr|charset=UTF-8|short|max=10: Error parsing XML for RSS
References[edit | edit source]
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