Three-dimensional measurement of proximal radioulnar space during active forearm pronation.

Journal of Biomechanics
Keisuke MatsukiScott A Banks

Abstract

Distal biceps tendon ruptures have been reported to be associated with narrowing of the proximal radioulnar space. There have been no studies that three-dimensionally measured the distance between the bicipital tuberosity and the proximal ulna during active motion. The purpose of this study was to three-dimensionally measure the proximal radioulnar space during active forearm pronation in healthy subjects. Five healthy volunteers (10 forearms) were recruited for this study. They consisted of all males with a mean age of 37 years (range, 34-46 years). Lateral fluoroscopy of forearm rotation from maximum supination to maximum pronation was recorded for both forearms. Three-dimensional forearm kinematics were determined using model-image registration techniques with fluoroscopic images and CT-derived bone models, and the closest distance between the bicipital tuberosity and the proximal ulna was computed at each 30° increment of radial axial rotation relative to the distal humerus. The distance between the bicipital tuberosity and the proximal ulna decreased with pronation, reaching a minimum value at 90° of radial rotation (average 4.6 ± 1.3 mm), then increased with further rotation to maximum pronation (P = 0.004). The clearance...Continue Reading

References

Jun 1, 1996·IEEE Transactions on Bio-medical Engineering·S A Banks, W A Hodge
Nov 13, 2007·Journal of Biomechanics·Michael J BeyPatricia A Kolowich
Apr 14, 2009·Journal of Shoulder and Elbow Surgery·Adam SchneiderJames B Bennett
Aug 11, 2010·Clinical Biomechanics·Kei O MatsukiScott A Banks
Oct 28, 2011·The Journal of Orthopaedic and Sports Physical Therapy·Keisuke MatsukiScott A Banks
Jun 30, 2012·Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand·Christiana Savvidou, Rodrigo Moreno
May 28, 2014·Journal of Shoulder and Elbow Surgery·Chad A KruegerDamian M Rispoli

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Citations

Sep 5, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Nick F J HilgersomDenise Eygendaal

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