Anterior Cruciate Ligament (ACL) Rehabilitation: Difference between revisions

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<div class="noeditbox">Welcome to [[Vrije Universiteit Brussel Evidence-based Practice Project|Vrije Universiteit Brussel's Evidence-based Practice project]]. This space was created by and for the students in the Rehabilitation Sciences and Physiotherapy program of the Vrije Universiteit Brussel, Brussels, Belgium. Please do not edit unless you are involved in this project, but please come back in the near future to check out new information!!</div> <div class="editorbox">
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'''Original Editor [[User: Lieselot Longe|Lieselot Longé]]'''
<div class="editorbox">
'''Original Editor '''
== Clinically Relevant Anatomy<br>  ==


'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  &nbsp; 
<br>  
</div>  
== Search Strategy  ==


Search engines: PubMed, Pedro<br>Key words: anterior cruciate ligament, Open chain exercises, Closed chain exercises, ACL&nbsp;rehabilitation,…<br>
== General Considerations  ==


== &nbsp;Definition/Description ==
=== Before surgery ===


ACL [http://www.physio-pedia.com/index.php/Rehabilitation rehabilitation] has undergone considerable changes over the past decade. Intensive research into the biomechanics of the injured and the operated knee have led to a movement away from the techniques of the early 1980's characterized by post operative casting, delayed weight bearing and limitation of ROM, to the current early rehabilitation program with immediate training of ROM and weight bearing exercises[1] (Level A).
RICE and electrotherapy can be applied during several weeks ahead of the surgery in order to reduce swelling and pain, to attempt full range of motion and to decrease joint effusion. This will help the patient to regain better motion and strentgh after the surgery.<ref name="Vijf">I Eitzen, H Moksnes, L Snyder-Mackler, MA Risberg. Progressive 5-Week Exercise Therapy Program Leads to Significant Improvement in Knee Function Early After Anterior Cruciate Ligament Injury. Journal of Orthopaedic and Sports Physical Therapy 2010;40(11):705-722</ref>


The major goals of rehabilitation of the [http://www.physio-pedia.com/index.php?title=Anterior_Cruciate_Ligament_Injury ACL-injured knee]:  
Therapy pre-ops can encourage strengthening of the quadriceps and hamstrings. Range of motion exercises should be included if there is no pain involved.<ref name="Negen">S. van Grinsven, R. E. H. van Cingel, C. J. M. Holla, C. J. M. van Loon. Evidence-based rehabilitation following anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2010; 18:1128–1144</ref><ref name="Elf">Savio L-Y. Woo, Richard E. Debski, PhD, John D. Withrow, Marsie A. Janaushek. Biomechanics of Knee Ligaments. The American Journal of Sports medicine 1999;27:533</ref>


*Gain good functional stability
[[Neuromuscular Electrical Stimulation|NMES]] combined with exercise is more effective in improving quadriceps&nbsp;strength than exercise alone<ref name="Kyung-Min">Kyung-Min KiM, Ted Croy, Jay HerTel, SuSan Saliba. Effects of Neuromuscular Electrical Stimulation After Anterior Cruciate Ligament Reconstruction on Quadriceps Strength, Function, and Patient-Oriented Outcomes: A Systematic Review. J Orthop Sports Phys Ther 2010;40(7):383-391.</ref>.
*Repair muscle strength  
*Reach the best possible functional level
*Decrease the risk for re-injury


[http://www.physio-pedia.com/index.php?title=Closed_Chain_Exercise Closed kinetic chain exercises] (CKC) and Open kinetic chain exercises (OKC) play an important role in regaining muscle (quadriceps, hamstrings) strength and knee stability.
=== After surgery  ===


Closed kinetic chain exercises&nbsp; have become more popular than Open kinetic chain exercises in ACL rehabilitation. Clinicians believe that CKC exercises are safer than OKC exercises because they place less strain on the ACL graft. Besides, they also believe that CKC exercises are more functional and equally effective as OKC exercises[3] (Level A).<br>
*Week 1


== Clinically Relevant Anatomy  ==
Regular icing and elevation are used to reduce swelling. The goal is full extension and 70 degrees of flexion by the end of the first week. The use of a knee brace and crutches are imperative.


[http://www.physio-pedia.com/index.php?title=Knee The anatomy of the knee]
Multidirectional mobilizations of the patella should be included for at least 8 weeks. Other mobilization exercises in the first 4 weeks are passive extension of the knee (no hyperextension) and passive and active mobilization towards flexion. Strenthening exercises for the calf muscle, hamstring and quadriceps (vastus medialis) can be performed.


== Evidence  ==
*Week 3-4


In one study there was found no difference in strain on the intact ACL between OKC and CKC exercises. Currently, ACL grafts may respond more like the intact ACL. Therefore they argue, both types of exercise could be done safe[2](Level 2B).<br> <br>A study that examined the effect of OKC and CKC exercises on functional activity concludes that both open kinetic chain and closed kinetic chain programs lead to an equal long-term good functional outcome[4](Level A).<br>In another study, group 1 carried out quadriceps strengthening only with CKC while group 2 trained with CKC plus OKC exercises starting from week 6 after surgery. It seemed that the addition of OKC quadriceps training after ACL reconstruction results in a significantly stronger quadriceps without reducing knee joint stability at 6 months and also leads to a significantly&nbsp; higher number of athletes returning to their previous activity earlier and at the same level as before injury. The authors conclude that the combination of OKC and CKC exercises is more effective than CKC exercises alone[5](Level B).<br>
The patient must trie to genuinely increase the stance phase in an attempt to walk with one crutch. With good hamstring/quadriceps control, the use of crutches can be reduced earlier.  


A study that compared the amount of anterior tibial displacement in the ACL-deficient knee during (1) resisted knee extension, an OKC-exercise and (2) the parallel squat, a CKC-exercise, concluded that the ACL-deficient knee had significantly greater anterior tibial displacement during extension from 64° to 10° in the knee extension exercise as compared to the parallel squat exercise[8](Level 2B).<br>There is also a study who concluded that CKC-exercises are safe and effective and offer some important advantages over open kinetic chain exercises[6] (Level 1B).<br>&nbsp;<br>
*Week 5


== Characteristics/Clinical Presentation  ==
The use of the knee brace is progessively reduced.<ref name="Vijf" /><ref name="Negen" /> Passive mobilizations should normalize motility but flexion should not yet be thorough. 9 Tonification of hamstrings and quadriceps (vastus medialis) can start in close chain exercises. The exercises should be started on light intensity (50% of maximum force) and progressively increased to 60-70%. The closed chain exercises should be built from less responsible positions (bike, leg presses, step) to more congested starting positions (ex.squad). The progress of the exercise depends on pain, swelling and quadriceps control. Proprioception and coordination exercises can start if the general strength is good. This includes balance exercises on boards and toll.


add text here <br>
*Week 10


== Differential Diagnosis  ==
Forward, backward and lateral dynamic movements can be included as well as isokinetic exercises.<ref name="Negen" />


add text here
*Month 3


== Diagnostic Procedures  ==
After 3 months, patient can move on to functional exercises as running and jumping. As proprioceptive and coordination exercises become heavier, quicker changes in direction are possible. To stimulate coordination and control through afferent and efferent information processing, exercises should be enhanced by variation in visible input, surface stability (trampoline), speed of exercise performance, complexity of the task, resistance, one or two-legged performance, etc.<ref name="Negen" />


add text here related to medical diagnostic procedures
*Month 4-5


== Outcome Measures  ==
Final goal is to maximize endurance and strength of the knee stabilizers, optimize neuromuscular control with plyometric exercises and to add the sport-specific exercises. Acceleration and deceleration, variations in running and turning and cutting manoeuvers improve arthrokinetic reflexes to prevent new trauma during competition.<ref name="Elf">Arna Risberg, Inger Holm. The Long-term Effect of 2 Postoperative Rehabilitation Programs After Anterior Cruciate Ligament Reconstruction A Randomized Controlled Clinical Trial With 2 Years of Follow-Up. The American Journal of Sports medicine 2009; 37: 1958</ref>


add links to outcome measures here (also see [[Outcome Measures|Outcome Measures Database]])
=== Return to sport  ===


== Examination  ==
Strength and power deficits after surgery may be a risk factor for future injuries and may set athletes up for failure when&nbsp;they try to return to their prior performance levels. Researchers suggest that the surgically repaired leg should perform at least 90% as well as the uninjured leg before you return to sport<ref name="Myer" />. Three&nbsp;hopping tests can be used as part of a comprehensive physical and functional examination to help ensure not just a speedy, but a safe return to sport after ACL reconstruction. These&nbsp;3 tests are sensitive enough to measure side-to-side differences and can be used during more advanced recovery phases after surgery to help ensure that the athlete’s exercise program is successful in returning the injured leg at least to the level of the uninjured leg<ref name="Myer">Gregory D. Myer, Laura C. Schmitt, Jensen L. Brent, Kevin R. Ford, Kim D. Barber Foss, Bradley J. Scherer, Robert S. Heidt Jr., Jon G. Divine, Timothy E. Hewett.[http://www.jospt.org/issues/articleID.2585/article_detail.asp Utilization of Modified NFL Combine Testing to Identify Functional Deficits in Athletes Following ACL Reconstruction]. J Orthop Sports Phys Ther 2011;41(6):377-387.</ref>.&nbsp;


add text here related to physical examination and assessment<br>
[http://thejacksonclinics.com/wp-content/uploads/2012/01/20110531_June2011PerspectivesforPatients.pdf When Should an Athlete Return to Sport After an ACL Surgery?]


== Medical Management <br> ==
== Rehab Protocols ==


add text here <br>
[http://drmillett.com/downloads/rehab-protocols/acl-rehab-protocol.pdf Steadman Protocol]


==  ==
[http://www.fowlerkennedy.com/wordPress/wp-content/uploads/2010/12/ACL-Protocol-Fowler-Kennedy-revised-Mar-2009.pdf Fowler-Kennedy Protocol]


== &nbsp;Physical Therapy Management <br>  ==
[http://www.kneeclinic.info/rehab_markdecarlo.php Chester Knee Clinic]


&nbsp;
== Sport Specific Considerations  ==


==== Open versus Closed Kinetic Chain Exercise<br> ====
[https://www.jospt.org/issues/articleID.2738,type.1/article_detail.asp Suggestions From the Field for Return-to-Sport Rehabilitation Following Anterior Cruciate Ligament Reconstruction: Alpine Skiing]<ref name="Kokmeyer">Kokmeyer, D., Wahoff M., Myhern M.  [https://www.jospt.org/issues/articleID.2738,type.1/article_detail.asp Suggestions From the Field for Return-to-Sport Rehabilitation Following Anterior Cruciate Ligament Reconstruction: Alpine Skiing]. Journal of Orthopaedic &amp;amp;amp; Sports Physical Therapy, April 2012, 42(4):313-325.</ref>  


==== 1. Open-Kinetic-Chain exercises: ====
== Considerations for Female Athletes ==


''<u>1.1. Characteristics</u>''
[http://blog.brianschiff.com/?tag=acl-rehab Late stage rehab ideas with specifics for the female athlete]


&nbsp;- Non-weight bearing
== Adjuncts  ==


- &nbsp;Movement occurring at a single joint
NMES -&nbsp;Neurotech's Kneehab XP Quadriceps Therapy System has been shown to significantly improve rehab following ACL reconstruction<ref name="Kneehab">Sven Feil, John Newell, Conor Minogue and Hans H. Paessler. [http://ajs.sagepub.com/content/early/2011/02/20/0363546510396180.full.pdf+html?ijkey=28W1kfCXExivc&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;keytype=ref&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;siteid=amjsports The Effectiveness of Supplementing a Standard Rehabilitation Program With Superimposed Neuromuscular Electrical Stimulation After Anterior Cruciate Ligament Reconstruction: A Prospective, Randomized, Single-Blind Study]. Am J Sports Med February 22, 2011</ref>.  
 
- &nbsp;Distal segment free to move
 
- &nbsp;Resistance is usually applied to the distal segment
 
<u>''1.2. Open-Kinetic-Chain Knee-Extension exercises''</u>
 
These exercises have a limited role in ACL rehabilitation programs, because research showed that OKC-extension exercises from 60° to 0° flexion, markedly increase anterior tibial translation in the ACL-deficient knee, as well as ACL graft strain in the reconstructed knee<sup>[2](</sup>Level 2B).
 
Despite these findings, OKC-extension exercises aren’t excluded in ACL-rehabilitation programs, because the same research has shown that OKC-extension exercises from 90° to 60° of flexion could be done safe, without increasing anterior tibial translation or ACL graft strain<sup>[2</sup>] (Level 2B).
 
In short, OKC-extension exercises in ACL rehabilitation programs could be done safe in a ROM from 90° to 60° flexion and are furthermore useful to train the quadriceps isolated.  
 
<u>''1.3. Open-Kinetic-Chain Knee-Flexion exercises''</u>
 
OKC-flexion exercises play an important part in the rehabilitation process because research showed that there is no anterior tibial translation or ACL graft strain during these exercises. Besides, they result in isolated hamstrings muscle contraction<sup>[10]</sup> ( Level 2B).  
 
<br>
 
==== 2. Closed-Kinetic-Chain Knee exercises:  ====
 
<u>''2.1. Characteristics<br>''</u>
 
-&nbsp;Weight bearing<br>- Movement at several joints<br>- Distal segment fixed to a surface<br>- Resistance may be applied both proximally and distally
 
''<u>2.2. Closed-Kinetic-Chain Knee exercises</u>''
 
CKC-exercises play an important role in ACL-rehabilitation because they result in a hamstrings-quadriceps co-contraction that reduces tibiofemoral shear forces. Besides, research showed that during CKC-exercises body weight provides tibiofemorale joint compression, that also reduces tibiofemoral shear forces <sup>[7] </sup>(Level A).
 
CKC exercises have several advantages compared with OKC exercises<sup>[12]</sup> (Level F).
 
• Increase stability in the knee joint (more joint compression)<br>• Functional load<br>• Strong coordinative training<br>• Minimal shear force<br>• Less stress on the ACL<br>• No selective muscle training<br>• Weakest link in the chain is feeling the most "overload" and the corresponding largest trainings effect<br>• Fewer complications such as [http://www.physio-pedia.com/index.php?title=Patellofemoral_Pain_Syndrome patellofemoral symptoms]<br>• CKC-exercises are earlier to apply than OKC-exercises
 
==== <br><br>3. Examples  ====
 
''<u>3.1. Postoperative phase 1 ( 1-5 weeks)</u>''
 
*Exercises 1:
 
The first CKC-exercises are sitting exercises because they facilitate flexion and extension movements in the knee [9] (Level A).
 
The patient lying on a table has to extend the knee against resistance from a stretcher.<br>
 
== Key Research  ==
 
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>
 
== Resources <br>  ==
 
add appropriate resources here <br>
 
== Clinical Bottom Line  ==
 
Further research into this topic is required. Future studies should aim to use higher order experimental design and have better methodological quality, including at a minimum, single blinding, larger sample size, use of control groups, and reporting of statistical data such as effect size, confidence&nbsp; intervals and standard deviations. <br>The lack of high evidence and good quality studies constrains the formulation of clear clinical recommendations regarding the effect of closed versus open kinetic chain exercises on ACL strain. Thus the findings of this review must be interpreted with caution. Nevertheless the findings support the conclusion that CKC exercises generally produce less strain/stress on ACL and have a greater functional impact than OKC exercises. Thus the cautious clinical recommendation would be to use CKC exercises or a combination of CKC and OKC exercises rather than OKC exercises alone[11](Level 1A).<br>


== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed])  ==
== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed])  ==
see tutorial on [[Adding PubMed Feed|Adding PubMed Feed]]
<div class="researchbox">
<div class="researchbox">
<rss>Feed goes here!!|charset=UTF-8|short|max=10</rss>  
<rss>http://eutils.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=1h3SAs98aPqnd6UdzcSka13Q2QC0xPe6Uxyj13qIjh7-m7FgTo|charset=UTF-8|short|max=10</rss>  
</div>  
</div>  
== References  ==
== References  ==


see [[Adding References|adding references tutorial]].
<references />
 
<references />,
 
[[Category:Vrije_Universiteit_Brussel_Project|Template:VUB]]

Revision as of 19:04, 21 June 2013

This article requires improvement to meet Physiopedia's quality standards. The reasons have been specified in the page's Discussion. Please help improve this page if you can. #qualityalert

Original Editor

Clinically Relevant Anatomy
[edit | edit source]


General Considerations[edit | edit source]

Before surgery[edit | edit source]

RICE and electrotherapy can be applied during several weeks ahead of the surgery in order to reduce swelling and pain, to attempt full range of motion and to decrease joint effusion. This will help the patient to regain better motion and strentgh after the surgery.[1]

Therapy pre-ops can encourage strengthening of the quadriceps and hamstrings. Range of motion exercises should be included if there is no pain involved.[2][3]

NMES combined with exercise is more effective in improving quadriceps strength than exercise alone[4].

After surgery[edit | edit source]

  • Week 1

Regular icing and elevation are used to reduce swelling. The goal is full extension and 70 degrees of flexion by the end of the first week. The use of a knee brace and crutches are imperative.

Multidirectional mobilizations of the patella should be included for at least 8 weeks. Other mobilization exercises in the first 4 weeks are passive extension of the knee (no hyperextension) and passive and active mobilization towards flexion. Strenthening exercises for the calf muscle, hamstring and quadriceps (vastus medialis) can be performed.

  • Week 3-4

The patient must trie to genuinely increase the stance phase in an attempt to walk with one crutch. With good hamstring/quadriceps control, the use of crutches can be reduced earlier.

  • Week 5

The use of the knee brace is progessively reduced.[1][2] Passive mobilizations should normalize motility but flexion should not yet be thorough. 9 Tonification of hamstrings and quadriceps (vastus medialis) can start in close chain exercises. The exercises should be started on light intensity (50% of maximum force) and progressively increased to 60-70%. The closed chain exercises should be built from less responsible positions (bike, leg presses, step) to more congested starting positions (ex.squad). The progress of the exercise depends on pain, swelling and quadriceps control. Proprioception and coordination exercises can start if the general strength is good. This includes balance exercises on boards and toll.

  • Week 10

Forward, backward and lateral dynamic movements can be included as well as isokinetic exercises.[2]

  • Month 3

After 3 months, patient can move on to functional exercises as running and jumping. As proprioceptive and coordination exercises become heavier, quicker changes in direction are possible. To stimulate coordination and control through afferent and efferent information processing, exercises should be enhanced by variation in visible input, surface stability (trampoline), speed of exercise performance, complexity of the task, resistance, one or two-legged performance, etc.[2]

  • Month 4-5

Final goal is to maximize endurance and strength of the knee stabilizers, optimize neuromuscular control with plyometric exercises and to add the sport-specific exercises. Acceleration and deceleration, variations in running and turning and cutting manoeuvers improve arthrokinetic reflexes to prevent new trauma during competition.[3]

Return to sport[edit | edit source]

Strength and power deficits after surgery may be a risk factor for future injuries and may set athletes up for failure when they try to return to their prior performance levels. Researchers suggest that the surgically repaired leg should perform at least 90% as well as the uninjured leg before you return to sport[5]. Three hopping tests can be used as part of a comprehensive physical and functional examination to help ensure not just a speedy, but a safe return to sport after ACL reconstruction. These 3 tests are sensitive enough to measure side-to-side differences and can be used during more advanced recovery phases after surgery to help ensure that the athlete’s exercise program is successful in returning the injured leg at least to the level of the uninjured leg[5]

When Should an Athlete Return to Sport After an ACL Surgery?

Rehab Protocols[edit | edit source]

Steadman Protocol

Fowler-Kennedy Protocol

Chester Knee Clinic

Sport Specific Considerations[edit | edit source]

Suggestions From the Field for Return-to-Sport Rehabilitation Following Anterior Cruciate Ligament Reconstruction: Alpine Skiing[6]

Considerations for Female Athletes[edit | edit source]

Late stage rehab ideas with specifics for the female athlete

Adjuncts[edit | edit source]

NMES - Neurotech's Kneehab XP Quadriceps Therapy System has been shown to significantly improve rehab following ACL reconstruction[7].

Recent Related Research (from Pubmed)[edit | edit source]

Failed to load RSS feed from http://eutils.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=1h3SAs98aPqnd6UdzcSka13Q2QC0xPe6Uxyj13qIjh7-m7FgTo|charset=UTF-8|short|max=10: Error parsing XML for RSS

References[edit | edit source]

  1. 1.0 1.1 I Eitzen, H Moksnes, L Snyder-Mackler, MA Risberg. Progressive 5-Week Exercise Therapy Program Leads to Significant Improvement in Knee Function Early After Anterior Cruciate Ligament Injury. Journal of Orthopaedic and Sports Physical Therapy 2010;40(11):705-722
  2. 2.0 2.1 2.2 2.3 S. van Grinsven, R. E. H. van Cingel, C. J. M. Holla, C. J. M. van Loon. Evidence-based rehabilitation following anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2010; 18:1128–1144
  3. 3.0 3.1 Savio L-Y. Woo, Richard E. Debski, PhD, John D. Withrow, Marsie A. Janaushek. Biomechanics of Knee Ligaments. The American Journal of Sports medicine 1999;27:533 Cite error: Invalid <ref> tag; name "Elf" defined multiple times with different content
  4. Kyung-Min KiM, Ted Croy, Jay HerTel, SuSan Saliba. Effects of Neuromuscular Electrical Stimulation After Anterior Cruciate Ligament Reconstruction on Quadriceps Strength, Function, and Patient-Oriented Outcomes: A Systematic Review. J Orthop Sports Phys Ther 2010;40(7):383-391.
  5. 5.0 5.1 Gregory D. Myer, Laura C. Schmitt, Jensen L. Brent, Kevin R. Ford, Kim D. Barber Foss, Bradley J. Scherer, Robert S. Heidt Jr., Jon G. Divine, Timothy E. Hewett.Utilization of Modified NFL Combine Testing to Identify Functional Deficits in Athletes Following ACL Reconstruction. J Orthop Sports Phys Ther 2011;41(6):377-387.
  6. Kokmeyer, D., Wahoff M., Myhern M. Suggestions From the Field for Return-to-Sport Rehabilitation Following Anterior Cruciate Ligament Reconstruction: Alpine Skiing. Journal of Orthopaedic &amp;amp; Sports Physical Therapy, April 2012, 42(4):313-325.
  7. Sven Feil, John Newell, Conor Minogue and Hans H. Paessler. The Effectiveness of Supplementing a Standard Rehabilitation Program With Superimposed Neuromuscular Electrical Stimulation After Anterior Cruciate Ligament Reconstruction: A Prospective, Randomized, Single-Blind Study. Am J Sports Med February 22, 2011