In vivo 3D kinematics of normal forearms: Analysis of dynamic forearm rotation

Matsuki, Kei; Matsuki, Keisuke; Mu, Shang; Sasho, Takahisa; Nakagawa, Kōichi; Ochiai, Nobuyasu; Takahashi, Kazuhisa; Banks, Scott A.

doi:10.1016/j.clinbiomech.2010.07.006

Cited by 39 publications

(29 citation statements)

References 23 publications

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“…The tendon was considered “dislocated” if it was entirely outside its groove, and “subluxated” if it was partially contained in its groove. The relative locations of the ulnar styloid process and the Lister’s tubercle were used to determine whether the forearm was in neutral, supination, or pronation positions; the ulnar styloid process is normally on the dorsal side of the carpus in supination, and is located more palmarly in pronation [21], [22].…”

Section: Methodsmentioning

confidence: 99%

Real-Time Magnetic Resonance Imaging (MRI) during Active Wrist Motion—Initial Observations

et al. 2013

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BackgroundNon-invasive imaging techniques such as magnetic resonance imaging (MRI) provide the ability to evaluate the complex anatomy of bone and soft tissues of the wrist without the use of ionizing radiation. Dynamic instability of wrist – occurring during joint motion – is a complex condition that has assumed increased importance in musculoskeletal medicine. The objective of this study was to develop an MRI protocol for evaluating the wrist during continuous active motion, to show that dynamic imaging of the wrist is realizable, and to demonstrate that the resulting anatomical images enable the measurement of metrics commonly evaluated for dynamic wrist instability.MethodsA 3-Tesla “active-MRI” protocol was developed using a bSSFP sequence with 475 ms temporal resolution for continuous imaging of the moving wrist. Fifteen wrists of 10 asymptomatic volunteers were scanned during active supination/pronation, radial/ulnar deviation, “clenched-fist”, and volarflexion/dorsiflexion maneuvers. Two physicians evaluated distal radioulnar joint (DRUJ) congruity, extensor carpi ulnaris (ECU) tendon translation, the scapholunate (SL) interval, and the SL, radiolunate (RL) and capitolunate (CL) angles from the resulting images.ResultsThe mean DRUJ subluxation ratio was 0.04 in supination, 0.10 in neutral, and 0.14 in pronation. The ECU tendon was subluxated or translated out of its groove in 3 wrists in pronation, 9 wrists in neutral, and 11 wrists in supination. The mean SL interval was 1.43 mm for neutral, ulnar deviation, radial deviation positions, and increased to 1.64 mm during the clenched-fist maneuver. Measurement of SL, RL and CL angles in neutral and dorsiflexion was also accomplished.ConclusionThis study demonstrates the initial performance of active-MRI, which may be useful in the investigation of dynamic wrist instability in vivo.

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Section: Methodsmentioning

confidence: 99%

Real-Time Magnetic Resonance Imaging (MRI) during Active Wrist Motion—Initial Observations

et al. 2013

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“…Regarding analysis of 3D kinematics, our results indicate the radial head was relatively stable during forearm rotation in Type 1 Monteggia lesions in comparison to the normal forearm [3,14,20,36], although abnormal coronal translation of the radial head occurred by approximately 3 mm. However, the radial head was unstable during rotation in Type 4 Monteggia lesions.…”

Section: Discussionmentioning

confidence: 89%

“…Normally, the radial head in the proximal radioulnar joint is stable during forearm rotation, and the axis of rotation (AOR) passes through the center of the radial head (COR) [3,14,20]. Recent in vivo and three-dimensional (3D) studies revealed the radial head translated minimally (approximately 2 mm) only in the sagittal direction [3,14], and the distance from the COR to the mean AOR (d-R) was minimal (approximately 4 mm) [36].…”

Section: Introductionmentioning

confidence: 99%

In Vivo Three-dimensional Motion Analysis of Chronic Radial Head Dislocations

Miyake

Moritomo

Kataoka

et al. 2012

Clinical Orthopaedics &Amp; Related Research

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Background Forearm kinematics and interosseous membrane function in chronic radial head dislocations sustained in childhood are unknown. Several procedures have been performed to reduce the radial head on the basis of static preoperative assessment in only one forearm position, but clinical results are not always favorable. Questions/purposes We investigated the in vivo threedimensional (3D) kinematics and length changes of interosseous membrane ligaments during forearm rotation in chronic radial head dislocations using 3D CT registration techniques. Methods We examined 10 patients with chronic radial head dislocations (seven Type 1 and three Type 4 Monteggia lesions). To quantify kinematics, the axis of rotation (AOR) and radial head motion were investigated using computer bone models constructed from CT data placing the forearm in three positions. We also created six interosseous membrane ligaments and calculated their 3D lengths during forearm rotation.

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“…Our effort to co-analyze the static AOR and dynamic AOR stems from this study. 19,27) The current paper, with the use of 3D CT reconstructive technology, investigated the AOR in normal forearm and malunited Monteggia fractures. Firstly, the AOR during forearm rotation was not fixed but variable within a small margin.…”

Section: Discussionmentioning

confidence: 99%

“…In recent years, 3D computational simulation systems have helped with accurate kinematic analysis. Matsuki et al 19) have used this method to research forearm AOR with an emphasis on distal radioulnar joints (DRUJ), and as a consequence research on proximal radioulnar joints (PRUJ) is limited. Therefore, our research analyzes AOR change in forearm pronation and supination in normal and malunited forearms comparing the DRUJl and PRUJ.…”

Section: Introductionmentioning

confidence: 99%

In vivo 3D Kinematics of Axis of Rotation in Malunited Monteggia Fracture Dislocation

Kim

Park

Jeong

et al. 2014

Clin Shoulder Elbow

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Background: Normal elbow joint kinematics has been widely studied in cadaver, whilst in vivo study, especially of the forearm, is rare. Our study analyses, in vivo, the kinematics of normal forearm and of malunited forearm using a three-dimensional computerized simulation system. Methods: We examined 8 patients with malunited Monteggia fracture and 4 controls with normal elbow joint. The ulna and radius were reconstructed from CT data placing the forearm in three different positions; full pronation, neutral, and full supination using computer bone models. We analyzed the axis of rotation 3-dimentionally based on the axes during forearm rotation from full pronation to full supination. Results: Axis of rotation of normal forearm was pitch line, with a mean range of 2 mm, from full pronation to full supination, connecting the radial head center proximally and ulnar fovea distally. In normal forearm, the mean range was 1.32 mm at the proximal radioulnar joint and 1.51 mm at the distal radioulnar joint. However in Monteggia fracture patients, this range changed to 7.65 mm at proximal and 4.99 mm at distal radoulnar joint. Conclusions: During forearm rotation, the axis of rotation was constant in normal elbow joint but unstable in malunited Monteggia fracture patients as seen with radial head instability. Therefore, consideration should be given not only to correcting deformity but also to restoring AOR by 3D kinematics analysis before surgical treatment of such fractures. (Clin Shoulder Elb 2014;17(1):25-30)

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In vivo 3D kinematics of normal forearms: Analysis of dynamic forearm rotation

Cited by 39 publications

References 23 publications

Real-Time Magnetic Resonance Imaging (MRI) during Active Wrist Motion—Initial Observations

Real-Time Magnetic Resonance Imaging (MRI) during Active Wrist Motion—Initial Observations

In Vivo Three-dimensional Motion Analysis of Chronic Radial Head Dislocations

In vivo 3D Kinematics of Axis of Rotation in Malunited Monteggia Fracture Dislocation

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