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Original Article
Online Published: 25 Aug 2016
 


The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum

Fatih Kabakas, Meric Ugurlar, Baris Caypinar, Abdulkadir Sari, Berkan Mersa, Ismail Bulent Ozcelik.


Abstract
Purpose: Leaving extensor pollicis longus (EPL) tendon out of the retinaculum in cases performed through a dorsal approach at the level of the extensor retinaculum after opening the 3rd extensor compartment reduces risk of adhesion and rupture. The aim of this study was to attempt to understand whether leaving EPL in the subcutaneous tissue that is released from the extensor compartment during surgery, without reconstructing the third extensor compartment, causes any change to extension strength and range of motion (ROM) of the interphalangeal (IP) and metacarpophalangeal (MCP) joints of the thumb.
Patients and methods: 20 patients operated on between 1995 and 2013 were evaluated retrospectively. The EPL tendons of all patients were left out of the extensor retinaculum after opening the 3rd extensor compartment through a dorsal approach to wrist. The following surgeries were performed: wrist arthrodesis in four patients, vascularized bone flaps from the 4th ECA (extensor compartmental artery) for Kienböck’s disease in two patients, open reduction after perilunate fracture-dislocations in two patients, proximal row carpectomy after Kienböck’s disease in two patients, and distal radius fracture surgery through a dorsal approach in six patients. Extension strength (in kg) and voluntary ROM (in degree) of the MCP and IP joints of the thumb were measured. Opposite extremity values were assessed and compared statistically.
Results: No statistically significant reduction was determined in strength and ROM of IP and MCP joints of the thumb on the operated side of patients whose EPLs were left out of the retinaculum compared with the non-operated side.
Conclusion: It was determined that leaving the EPL tendon out of the retinaculum in cases with increased risk of adhesions and rupture did not cause marked muscle weakness or loss of range of movement.

Key words: Extensor pollicis longus, EPL, extensor retinaculum, tendon, thumb


 
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How to Cite this Article
Pubmed Style

Kabakas F, Ugurlar M, Caypinar B, Sari A, Mersa B, Ozcelik IB. The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. Hand Microsurg. 2016; 5(2): 56-61. doi:10.5455/handmicrosurg.214801

Web Style

Kabakas F, Ugurlar M, Caypinar B, Sari A, Mersa B, Ozcelik IB. The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. https://handmicrosurgeryjournal.com/?mno=214801 [Access: June 27, 2026]. doi:10.5455/handmicrosurg.214801

AMA (American Medical Association) Style

Kabakas F, Ugurlar M, Caypinar B, Sari A, Mersa B, Ozcelik IB. The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. Hand Microsurg. 2016; 5(2): 56-61. doi:10.5455/handmicrosurg.214801


Vancouver/ICMJE Style

Kabakas F, Ugurlar M, Caypinar B, Sari A, Mersa B, Ozcelik IB. The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. Hand Microsurg. (2016), [cited June 27, 2026]; 5(2): 56-61. doi:10.5455/handmicrosurg.214801


Harvard Style

Kabakas, F., Ugurlar, . M., Caypinar, . B., Sari, . A., Mersa, . B. & Ozcelik, . I. B. (2016) The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. Hand Microsurg, 5 (2), 56-61. doi:10.5455/handmicrosurg.214801


Turabian Style

Kabakas, Fatih, Meric Ugurlar, Baris Caypinar, Abdulkadir Sari, Berkan Mersa, and Ismail Bulent Ozcelik. 2016. The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. Hand and Microsurgery, 5 (2), 56-61. doi:10.5455/handmicrosurg.214801


Chicago Style

Kabakas, Fatih, Meric Ugurlar, Baris Caypinar, Abdulkadir Sari, Berkan Mersa, and Ismail Bulent Ozcelik. "The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum." Hand and Microsurgery 5 (2016), 56-61. doi:10.5455/handmicrosurg.214801


MLA (The Modern Language Association) Style

Kabakas, Fatih, Meric Ugurlar, Baris Caypinar, Abdulkadir Sari, Berkan Mersa, and Ismail Bulent Ozcelik. "The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum." Hand and Microsurgery 5.2 (2016), 56-61. Print. doi:10.5455/handmicrosurg.214801


APA (American Psychological Association) Style

Kabakas, F., Ugurlar, . M., Caypinar, . B., Sari, . A., Mersa, . B. & Ozcelik, . I. B. (2016) The function and the strength of the thumb is not affected when the extensor pollicis longus tendon is left out of the extensor retinaculum. Hand and Microsurgery, 5 (2), 56-61. doi:10.5455/handmicrosurg.214801




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    Hand and Microsurgery, the official journal of Turkish Society for Surgery of Hand and Upper Extremity, is a peer-reviewed scientific journal published th ... Read more.



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