Extensor Tendon Injuries of the Hand: Difference between revisions

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== Epidemiology /Etiology  ==
== Epidemiology /Etiology  ==


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The extensor tendons of the hand are located superficially, so they are very susceptible to injuries. An-other reason is the lack of subcutaneous tissue between the tendons and the overlying skin<ref>Saini N. et al. Outcome of early active mobilization after extensor tendon repair. Indian J Orthop 2008; 42(3): 336-341 (level B)</ref>. Possible mechanisms are sharp object direct lacerations, burns, blunt trauma, bites, crush injuries, avulsions and deep abrasions<ref>Pho C, Godges J. Extensor tendon repair and rehabilitation (level F)</ref>. Closed injuries arise usually under situations of extreme load. This results in ripping the tendons apart from their attachment of the bone.<br>


== Characteristics/Clinical Presentation  ==
== Characteristics/Clinical Presentation  ==

Revision as of 11:55, 7 March 2012

Welcome to 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!!

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Search Strategy[edit | edit source]

Key words: extensor tendon injury, extensor tendon mechanism NOT surgery, hand, wrist, extensor tendon lacerations, rehabilitation, immobilisation AND extensor tendon injury, treatment AND extensor tendon injury NOT surgery

Search engines: Pubmed, Web of knowledge, Pedro, VUB library, google books (can be useful)

Definition/Description[edit | edit source]

An extensor tendon injury is a cut or tear to one of the extensor tendons. Due to this injury, there is an inability to fully and forcefully extend the wrist and/or fingers.

Clinically Relevant Anatomy[edit | edit source]

Extensor tendons are located at the dorsal region of the hand and fingers. The function of these tendons is to extend the wrist and the fingers. According to Kleinert and Verdan (1983), there are eight anatomic zones in which the extensor mechanism is divided[1] :

Zone I: DIP joint
Zone II: middle phalanx
Zone III: PIP joint
Zone IV: proximal phalanx
Zone V: MCP joint
Zone VI: metacarpals
Zone VII: wrist (carpus and extensor retinaculum)
Zone VIII: distal third of the forearm[2]

Kleur.png[3]

Epidemiology /Etiology[edit | edit source]

The extensor tendons of the hand are located superficially, so they are very susceptible to injuries. An-other reason is the lack of subcutaneous tissue between the tendons and the overlying skin[4]. Possible mechanisms are sharp object direct lacerations, burns, blunt trauma, bites, crush injuries, avulsions and deep abrasions[5]. Closed injuries arise usually under situations of extreme load. This results in ripping the tendons apart from their attachment of the bone.

Characteristics/Clinical Presentation[edit | edit source]

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Differential Diagnosis[edit | edit source]

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Diagnostic Procedures[edit | edit source]

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Outcome Measures[edit | edit source]

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Examination[edit | edit source]

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Medical Management
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Physical Therapy Management
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Key Research[edit | edit source]

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Resources
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Clinical Bottom Line[edit | edit source]

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

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References[edit | edit source]

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  1. ↑ Brotzman S.B., Manske R.C. Clinical Orthopaedic Rehabilitation: An Evidence-Based Approach, Elsevier Health Sciences, 2011
  2. ↑ Matzon JL, Bozentka DJ. Extensor tendon injuries. J Hand Surg 2010; 35A: 854-861. (levelB)
  3. ↑ Milner C., Russell P. Focus on extensor tendon injury. British Editorial Society of Bone and Joint Surgery 2011 (level E)
  4. ↑ Saini N. et al. Outcome of early active mobilization after extensor tendon repair. Indian J Orthop 2008; 42(3): 336-341 (level B)
  5. ↑ Pho C, Godges J. Extensor tendon repair and rehabilitation (level F)
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