Knee Extension Resistance Test: Difference between revisions

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'''Original Editors '''- [[User:Yelena Gesthuizen|Yelena Gesthuizen]]


== Definition/Description  ==
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== Purpose ==
 
[[File:Quadriceps muscle.jpg|right|frameless|500x500px]]The extension resistance test is used to perform a maximal provocation on the muscle-tendon mechanism of the extensor muscles ([[Quadriceps Muscle|Quadriceps femoris]]).
== Clinically Relevant Anatomy ==
* Is a [[Muscle Strength Testing|manual muscle test]] for strengths of grade 3 to 5, not applicable for lesser grade.
 
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== Purpose<br> ==
* The extension resistance test is positive when the affected knee shows less power to hold the pressure. If positive we can say the extensor mechanism of the knee is disturbed.<ref name="Hagen">Hagen, K., ‘Anterieure Kniepijn’, Afstudeeropdracht fysiotherapie HvU, 2005, p. 1-8. (Level of Evidence 2A)</ref>


add the purpose of this assessment technique here<br>
== Technique  ==


== Technique<br>  ==
Knee Extension ( tests grade 3-thru 5)


Describe how to carry out this assessment technique here
1. Ask patient to sit up straight and support trunk with arms propped with no greater


== Key Research  ==
than 20 degree of trunk extension. 2. The therapist may put their hand or a rolled towel


add links and reviews of high quality evidence here (case studies should be added on new pages using the [[Template:Case Study|case study template]])<br>
under the distal end of the thigh to cushion it.


== Resources <br>  ==
3. Ask patient to extend the knee.


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4. Place the knee in 20° of flexion from full extension to avoid mechanical locking of the


== Clinical Bottom Line  ==
joint.


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5. Apply resistance just proximal to the ankle.


== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed])  ==
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NB. For a grade of 3 the patient should be able to actively extend the knee from 90o of flexion without a swinging motion secondary to flexing the knee and creating momentum<ref>kumc.ed [http://www.kumc.edu/Documents/fshd/ManualMuscleTesting.pdf MANUAL MUSCLE TESTING (MMT)] Available from:http://www.kumc.edu/Documents/fshd/ManualMuscleTesting.pdf (last accessed 3.9.2020)</ref>. This test is not appropriate for a grades 0-2. <br>In the video (R), resisted testing of knee starts at 4m30s.
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== References  ==
== References  ==


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[[Category:Vrije_Universiteit_Brussel_Project|Template:VUBTest]]
 
== Purpose  ==
 
The extension resistance test is used to perform a maximal provocation on the muscle-tendon mechanism of the extensor muscles.&nbsp;
 
The extension resistance test is positive when the affected knee shows less power to hold the pressure. If positive we can say the extensor mechanism of the knee is disturbed.<sup>[1] (Level of Evidence 2A)</sup>
 
== Technique<br>  ==
 
The patient is instructed to perform an extension of the knee joint, while the therapist exercises pressure in the opposite direction (flexion). The therapist evenly builds up his pressure, the patient is to allow no movement in the joint.<br>Resistance tests should be performed on both knees and compared to one another.<sup>[1] (Level of Evidence 2A)</sup>
 
== References  ==


[1] Hagen, K., ‘Anterieure Kniepijn’, Afstudeeropdracht fysiotherapie HvU, 2005, p. 1-8. (Level of Evidence 2A)
[[Category:Assessment]]
[[Category:Knee]]
[[Category:Knee - Assessment and Examination]]
[[Category:Musculoskeletal/Orthopaedics]]
[[Category:Vrije_Universiteit_Brussel_Project]]
[[Category:Sports Medicine]]
[[Category:Athlete Assessment]]

Latest revision as of 14:27, 12 April 2021

Purpose[edit | edit source]

Quadriceps muscle.jpg

The extension resistance test is used to perform a maximal provocation on the muscle-tendon mechanism of the extensor muscles (Quadriceps femoris).

  • The extension resistance test is positive when the affected knee shows less power to hold the pressure. If positive we can say the extensor mechanism of the knee is disturbed.[1]

Technique[edit | edit source]

Knee Extension ( tests grade 3-thru 5)

1. Ask patient to sit up straight and support trunk with arms propped with no greater

than 20 degree of trunk extension. 2. The therapist may put their hand or a rolled towel

under the distal end of the thigh to cushion it.

3. Ask patient to extend the knee.

4. Place the knee in 20° of flexion from full extension to avoid mechanical locking of the

joint.

5. Apply resistance just proximal to the ankle.

NB. For a grade of 3 the patient should be able to actively extend the knee from 90o of flexion without a swinging motion secondary to flexing the knee and creating momentum[2]. This test is not appropriate for a grades 0-2.
In the video (R), resisted testing of knee starts at 4m30s.

References[edit | edit source]

  1. Hagen, K., ‘Anterieure Kniepijn’, Afstudeeropdracht fysiotherapie HvU, 2005, p. 1-8. (Level of Evidence 2A)
  2. kumc.ed MANUAL MUSCLE TESTING (MMT) Available from:http://www.kumc.edu/Documents/fshd/ManualMuscleTesting.pdf (last accessed 3.9.2020)