Polar Histograms of Curvature for Quantifying Skeletal Joint Shape and Congruence

Halilaj, Eni; Laidlaw, David H.; Moore, Douglas C.; Crisco, Joseph J.

doi:10.1115/1.4027938

Cited by 14 publications

(17 citation statements)

References 33 publications

(38 reference statements)

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“…25–27 Recruiting was designed to yield 4 sub-cohorts stratified by age and sex: younger participants, aged 18 to 35 years (10 young men, age = 23 ± 3 yrs. and 11 young women, age = 24 ± 1 yrs.…”

Section: Methodsmentioning

confidence: 99%

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In Vivo Kinematics of the Trapeziometacarpal Joint During Thumb Extension-Flexion and Abduction-Adduction

Crisco¹,

Halilaj²,

Moore³

et al. 2015

The Journal of Hand Surgery

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Purpose The primary aim of this study was to determine whether the in vivo kinematics of the trapeziometacarpal (TMC) joint differ as a function of age and sex during thumb extension-flexion and abduction-adduction motions. Methods The hands and wrists of 44 subjects (10 men and 11 women aged 18 to 35 years and 10 men and 13 women aged 40 to 75 years) with no symptoms or signs of TMC joint pathology were imaged with computed tomography (CT) during thumb extension, flexion, abduction, and adduction. The kinematics of the TMC joint were computed and compared across direction, age, and sex. Results We found no significant effects of age or sex, after normalizing for size, in any of the kinematic parameters. The extension-flexion and abduction-adduction rotation axes did not intersect, and both were oriented obliquely to the saddle-shaped anatomy of the TMC articulation. The extension-flexion axis was located in the trapezium and the abduction-adduction axis was located in the metacarpal. Metacarpal translation and internal rotation occurred primarily during extension-flexion. Discussion Our in vivo findings support previous cadaver and modeling studies that have concluded that the functional axes of the TMC joint are non-orthogonal and non-intersecting. However, in contrast to previous studies, we found extension-flexion and adduction-abduction to be coupled with internal-external rotation and translation. Specifically, internal rotation and ulnar translation were coupled with flexion, indicating a potential stabilizing screw-home mechanism. Clinical Relevance The treatment of TMC pathology and arthroplasty design require a detailed and accurate understanding of TMC function. This study confirms the complexity of TMC kinematics and describes metacarpal translation coupled with internal rotation during extension-flexion, which may explain some of the limitations of current treatment strategies and should help improve implant designs.

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Section: Methodsmentioning

confidence: 99%

“…and 13 older women, age = 55 ± 8 yrs.). In the larger cohort we previously analyzed articular shape 25,26 and the subtle motion of the TMC joint that occurred during 3 isometric functional tasks. 27 …”

Section: Methodsmentioning

confidence: 99%

In Vivo Kinematics of the Trapeziometacarpal Joint During Thumb Extension-Flexion and Abduction-Adduction

Crisco¹,

Halilaj²,

Moore³

et al. 2015

The Journal of Hand Surgery

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“…The cause of these coupled motions, whether due to ligaments [29], articular shape [30], neuromuscular control, or some combination, could not be identified in the current study. In addition to advancing our basic understanding of CMC joint function, an accurate and complete understating of CMC kinematics provides a basis for evaluating CMC pathology, such as mechanically mediated aspects of OA [14], and it can inform the design of implants, where accurate replication of kinematics is essential for long-term success [15][16][17]. There is growing clinical evidence that implant failure is associated with the failure to replicate normal kinematics in the spine [31][32][33][34][35][36], wrist [37], knee [38,39], and shoulder [40][41][42][43][44][45].…”

Section: Discussionmentioning

confidence: 99%

“…After receiving approval from our Institutional Review Board and obtaining informed consents, 44 subjects (20M, 24F, mean 6 SD age of 40.3 6 17.7 yr) with no symptoms of CMC pathology were recruited as part of a broader study of CMC joint biomechanics and OA initiation and progression [14][15][16][17][18]. The dominant wrists and thumbs of each subject were scanned in a neutral position braced with a modified thumb spica splint (Rolyan Original, Patterson Medical, Bolingbrook, IL) and with the thumb at four maximum active range-of-motion (ROM) positions: extension, flexion, abduction, and adduction ( Fig.…”

Section: Methodsmentioning

confidence: 99%

The Envelope of Physiological Motion of the First Carpometacarpal Joint

Crisco

Patel

Halilaj

et al. 2015

Journal of Biomechanical Engineering

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Much of the hand's functional capacity is due to the versatility of the motions at the thumb carpometacarpal (CMC) joint, which are presently incompletely defined. The aim of this study was to develop a mathematical model to completely describe the envelope of physiological motion of the thumb CMC joint and then to examine if there were differences in the kinematic envelope between women and men. In vivo kinematics of the first metacarpal with respect to the trapezium were computed from computed tomography (CT) volume images of 44 subjects (20M, 24F, 40.3 6 17.7 yr) with no signs of CMC joint pathology. Kinematics of the first metacarpal were described with respect to the trapezium using helical axis of motion (HAM) variables and then modeled with discrete Fourier analysis. Each HAM variable was fit in a cyclic domain as a function of screw axis orientation in the trapezial articular plane; the RMSE of the fits was 14.5 deg, 1.4 mm, and 0.8 mm for the elevation, location, and translation, respectively. After normalizing for the larger bone size in men, no differences in the kinematic variables between sexes could be identified. Analysis of the kinematic data also revealed notable coupling of the primary rotations of the thumb with translation and internal and external rotations. This study advances our basic understanding of thumb CMC joint function and provides a complete description of the CMC joint for incorporation into future models of hand function. From a clinical perspective, our findings provide a basis for evaluating CMC pathology, especially the mechanically mediated aspects of osteoarthritis (OA), and should be used to inform artificial joint design, where accurate replication of kinematics is essential for long-term success.

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“…59 asymptomatic subjects (34 women with a mean ± SD age of 42.3 ± 16.4 and 25 men with a mean ± SD age of 36.8 ± 13.6) and 39 patients with early OA (31 women with a mean ± SD age of 53.9 ± 6.8 and 7 men with a mean ± SD age of 56.3 ± 6) (Eaton Stage I, Eaton and Glickel, 1987) were recruited as part of a larger study on CMC joint biomechanics (Halilaj et al, 2013; Halilaj, Laidlaw et al, 2014a; Halilaj, Laidlaw et al, 2014b; Halilaj, Rainbow et al, 2014; Halilaj, Moore et al, 2014). Radiological inspection confirmed the absence of pathology for the asymptomatic population.…”

Section: Methodsmentioning

confidence: 99%

Is early osteoarthritis associated with differences in joint congruence?

Conconi

Halilaj

Castelli

et al. 2014

Journal of Biomechanics

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Previous studies suggest that osteoarthritis (OA) is related to abnormal or excessive articular contact stress. The peak pressure resulting from an applied load is determined by many factors, among which is shape and relative position and orientation of the articulating surfaces or, referring to a more common nomenclature, joint congruence. It has been hypothesized that anatomical differences may be among the causes of OA. Individuals with less congruent joints would likely develop higher peak pressure and thus would be more exposed to the risk of OA onset. The aim of this work was to determine if the congruence of the first carpometacarpal (CMC) joint differs with the early onset of OA or with sex, as the female population has a higher incidence of OA. 59 without and 38 with early OA were CT-scanned with their dominant or arthritic hand in a neutral configuration. The proposed measure of joint congruence is both shape and size dependent. The correlation of joint congruence with pathology and sex was analyzed both before and after normalization for joint size. We found a significant correlation between joint congruence and sex due to the sex-related differences in size. The observed correlation disappeared after normalization. Although joint congruence increased with size, it did not correlate significantly with the onset of early OA. Differences in joint congruence in this population may not be a primary cause of OA onset or predisposition, at least for the CMC joint.

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Polar Histograms of Curvature for Quantifying Skeletal Joint Shape and Congruence

Cited by 14 publications

References 33 publications

In Vivo Kinematics of the Trapeziometacarpal Joint During Thumb Extension-Flexion and Abduction-Adduction

In Vivo Kinematics of the Trapeziometacarpal Joint During Thumb Extension-Flexion and Abduction-Adduction

The Envelope of Physiological Motion of the First Carpometacarpal Joint

Is early osteoarthritis associated with differences in joint congruence?

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