Original communicationForce transmission through the distal ulna: Effect of ulnar variance, lunate fossa angulation, and radial and palmar tilt of the distal radius☆
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Loading at the distal radius and ulna during active simulated dart throw motion
2020, Journal of OrthopaedicsCitation Excerpt :When injuries and degenerative pathologies alter normal anatomy joint kinematics may be altered leading to a painful, dysfunctional grip. Many authors have described load sharing at the distal forearm during static states, as well as simplified planar wrist motion, but there has been little investigation on the effects of complex multiplanar wrist motion, such as DTM, during active wrist motion while measuring in vitro bone loading.1–6 Classic literature reports load sharing between the radius and ulna to be 82/18 when the wrist is statically loaded in a neutral position, with changes to this ratio occurring that are dependent on wrist position.1–6
What Is the Effect of the Ulnar-Plus Variance on the Outcomes of Arthroscopic Repair of the Peripheral Ulnar-Side Triangular Fibrocartilage Complex Tear?
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2019, Magnetic Resonance Imaging Clinics of North AmericaEffect of Radial Lengthening on Distal Forearm Loading Following Simulated In Vitro Radial Shortening During Simulated Dynamic Wrist Motion
2019, Journal of Hand SurgeryCitation Excerpt :Notwithstanding the limitations, our study improves our biomechanical understanding of distal forearm loads under dynamic loading conditions and the importance of restoring radial length when performing osteotomies for malunion. We analyzed absolute distal forearm loads whereas previous studies have focused solely on percentage load sharing between the radius and the ulna.11,16,17,24,26,27,30,31 The drawback to reporting percentage load sharing between the radius and the ulna is that, while the percentage loading may remain unchanged with radial length change, the actual magnitudes of loading may have changed substantially.
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