Tendon adhesion measured by a video-assisted gliding test in a chicken model

We developed a video-assisted gliding test to evaluate the gliding force and the flexion angle with unrestricted joint motion. Tendon adhesion was induced in a chicken model of flexor digitorum profundus (FDP) injury at the annular pulley region of the long toe. The chicken feet were harvested immed...

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Bibliographic Details
Published in:The Journal of hand surgery, European volume European volume, 2011-01, Vol.36 (1), p.40-47
Main Authors: Fu, S.-C., Hung, L.-K., Lee, Y.-W., Mok, T.-Y., Chan, K.-M.
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Biomechanical Phenomena
Chickens
Disease Models, Animal
Diseases of the osteoarticular system
Fibrosis
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Miscellaneous. Technology
Range of Motion, Articular - physiology
Tendon Injuries - pathology
Tendon Injuries - physiopathology
Tendons - pathology
Tendons - physiopathology
Ultrasonic investigative techniques
Video Recording - methods
Wound Healing - physiology
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Summary:We developed a video-assisted gliding test to evaluate the gliding force and the flexion angle with unrestricted joint motion. Tendon adhesion was induced in a chicken model of flexor digitorum profundus (FDP) injury at the annular pulley region of the long toe. The chicken feet were harvested immediately after injury, and 2 weeks and 6 weeks after injury. During the gliding test, the injured FDP was pulled for 15 mm then returned to its initial position. The test was recorded using a video camera and registered to the gliding test mechanical data. The maximum flexion angle and gliding resistance were calculated. The maximum flexion angle was significantly decreased from 78 (SD 10) in controls to 42 (SD 22) in tendons with injury, while gliding resistance was significantly increased in week 2 (0.06, SD 0.05) and week 6 (0.07, SD 0.01) after injury.
ISSN:1753-1934
2043-6289
DOI:10.1177/1753193410381674