Sonographical parameters of the finger pulley system in healthy adults

Introduction To establish normative values of tendon to bone distances (TBDs) to evaluate the A2 and A4 annular pulley integrity, we hypothesized that these values correlate with gender, athletic exercise, occupation, individual’s age and body height. Methods Ultrasonography of 200 healthy individua...

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Bibliographic Details
Published in:Archives of orthopaedic and trauma surgery 2015-11, Vol.135 (11), p.1615-1622
Main Authors: Bassemir, Dominik, Unglaub, Frank, Hahn, Peter, Müller, Lars Peter, Bruckner, Thomas, Spies, Christian K.
Format: Article
Language:English
Subjects:
Adult
Body Height
Bone and Bones - physiology
Female
Fingers - physiology
Handsurgery
Humans
Male
Medicine
Medicine & Public Health
Orthopedics
Prospective Studies
Range of Motion, Articular - physiology
Tendons - physiology
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Summary:Introduction To establish normative values of tendon to bone distances (TBDs) to evaluate the A2 and A4 annular pulley integrity, we hypothesized that these values correlate with gender, athletic exercise, occupation, individual’s age and body height. Methods Ultrasonography of 200 healthy individuals was performed prospectively. TBDs for the A2 and A4 pulley sections were measured for all fingers. Evaluation was performed in resting position and active forced flexion. Examination parameters included gender, age, body height, occupation, athletic exercise level, and hand dominance. Assessment of resting position and active forced flexion was done. Results No clinically relevant differences of TBDs with respect to the aforementioned parameters were observed. But TBDs were significantly greater in active forced flexion than in resting position for all measured pulley sections. Intraobserver reliability was very satisfactory. Conclusions Establishing normative values will help to detect injured pulleys more precisely and examination should be performed both in resting position and active forced flexion.
ISSN:0936-8051
1434-3916
DOI:10.1007/s00402-015-2304-9