Evaluation of a cadaveric wrist motion simulator using marker-based X-ray reconstruction of moving morphology

Surgical intervention is a common option for the treatment of wrist joint arthritis and traumatic wrist injury. Whether this surgery is arthrodesis or a motion preserving procedure such as arthroplasty, wrist joint biomechanics are inevitably altered. To evaluate effects of surgery on parameters suc...

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Bibliographic Details
Published in:	PeerJ (San Francisco, CA) Vol. 12; p. e17179
Main Authors:	Glanville, Joanna, Bates, Karl T, Brown, Daniel, Potts, Daniel, Curran, John, Fichera, Sebastiano
Format:	Journal Article
Language:	English
Published:	United States PeerJ. Ltd 24-05-2024 PeerJ Inc
Subjects:	Aged Anatomy and Physiology Biomechanical Phenomena Biomechanics Biplanar X-Ray videoradiography Cadaver Cadaveric wrist motion simulation Female Humans Male Marker-based XROMM Orthopedics Radiography - methods Range of Motion, Articular Reproducibility of Results Tendons - anatomy & histology Tendons - diagnostic imaging Tendons - physiology Tendons - surgery Total wrist arthroplasty Wrist biomechanics Wrist Joint - anatomy & histology Wrist Joint - diagnostic imaging Wrist Joint - physiology Wrist Joint - surgery United Kingdom Total wrist arthroplasty Wrist biomechanics Biplanar X-Ray videoradiography Marker-based XROMM Cadaveric wrist motion simulation
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Summary:	Surgical intervention is a common option for the treatment of wrist joint arthritis and traumatic wrist injury. Whether this surgery is arthrodesis or a motion preserving procedure such as arthroplasty, wrist joint biomechanics are inevitably altered. To evaluate effects of surgery on parameters such as range of motion, efficiency and carpal kinematics, repeatable and controlled motion of cadaveric specimens is required. This study describes the development of a device that enables cadaveric wrist motion to be simulated before and after motion preserving surgery in a highly controlled manner. The simulator achieves joint motion through the application of predetermined displacements to the five major tendons of the wrist, and records tendon forces. A pilot experiment using six wrists aimed to evaluate its accuracy and reproducibility. Biplanar X-ray videoradiography (BPVR) and X-Ray Reconstruction of Moving Morphology (XROMM) were used to measure overall wrist angles before and after total wrist arthroplasty. The simulator was able to produce flexion, extension, radioulnar deviation, dart thrower's motion and circumduction within previously reported functional ranges of motion. Pre- and post-surgical wrist angles did not significantly differ. Intra-specimen motion trials were repeatable; root mean square errors between individual trials and average wrist angle and tendon force profiles were below 1° and 2 N respectively. Inter-specimen variation was higher, likely due to anatomical variation and lack of wrist position feedback. In conclusion, combining repeatable intra-specimen cadaveric motion simulation with BPVR and XROMM can be used to determine potential effects of motion preserving surgeries on wrist range of motion and biomechanics.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2167-8359 2167-8359
DOI:	10.7717/peerj.17179