Related Experiment Video
Updated: Jun 4, 2026
04:37
A Passive Ankle Dorsiflexion Testing System for an In Vivo Model of Overuse-induced Tendinopathy
Published on: March 1, 2024
The tension band principle and angular testing of extensor tendon repairs
J Henderson1, M Sutcliffe, P Gillespie
1Department of Plastic and Reconstructive Surgery, Addenbrooke's University NHS Trust, Cambridge, UK. jh@jameshenderson.net
The Journal of Hand Surgery, European Volume
|February 2, 2011
Summary
A novel dorsal-only epitendinous suture technique for finger extensor tendon repair proved superior. This method demonstrated enhanced resistance to gapping, rupture, and deformation compared to traditional mattress and Kessler repairs.
Area of Science:
- Orthopedic Surgery
- Hand Surgery
- Biomedical Engineering
Background:
- Finger extensor tendon injuries present repair challenges due to the tendon's flat structure.
- Conventional mattress and Kessler repairs may not optimally address the biomechanics of finger extensor tendons.
Purpose of the Study:
- To investigate the efficacy of a dorsal-only epitendinous suture technique for finger extensor tendon repair.
- To compare the biomechanical performance of the Silfverskiöld dorsal-only repair against conventional methods.
Main Methods:
- A Silfverskiöld dorsal-only repair was tested in vitro.
- Comparison against mattress and Kessler repairs using a curvilinear testing apparatus.
Main Results:
- The Silfverskiöld dorsal-only repair exhibited significantly greater resistance to gapping.
- This technique also showed superior resistance to rupture and deformation (stiffness).
- Conventional repairs were less effective in maintaining tendon integrity under simulated conditions.
Conclusions:
- Dorsal-only epitendinous sutures represent a biomechanically superior method for finger extensor tendon repair.
- This technique offers improved outcomes by better managing the forces acting on the extensor mechanism.
- Further clinical evaluation is warranted to confirm these findings in practice.
