Fanny Canet

Hôpital du Sacré-Cœur de Montréal

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Dominique M. Rouleau

Hôpital du Sacré-Cœur de Montréal

Yvan Petit

École de Technologie Supérieure

ÉS

Émilie Sandman

Université de Montréal

Julien Chapleau

Hôpital du Sacré-Cœur de Montréal

Georges-Yves Laflamme

Hôpital du Sacré-Cœur de Montréal

Vladimir Braïlovski

École de Technologie Supérieure

G-Yves Laflamme

Hôpital du Sacré-Cœur de Montréal

George S. Athwal

Western University

Georges S. Athwal

St Joseph's Health Care

G. Yves Laflamme

Hôpital du Sacré-Cœur de Montréal

Cooperative Institutions

Hôpital du Sacré-Cœur de Montréal

Université de Montréal

École de Technologie Supérieure

Centre Intégré Universitaire de Santé et de Services Sociaux du Centre-Sud-de-l'Île-de-Montréal

Centre Hospitalier Universitaire Sainte-Justine

Centre Intégré Universitaire de Santé et de Services Sociaux du Saguenay–Lac-Saint-Jean

Polytechnique Montréal

Western University

Centres Intégré Universitaires de Santé et de Services Sociaux

University of Lausanne

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Validity of Goniometric Elbow Measurements: Comparative Study with a Radiographic Method

Clinical Orthopaedics and Related Research (2011)

Julien Chapleau Fanny Canet Yvan Petit G-Yves Laflamme Dominique M. Rouleau

A universal goniometer is commonly used to measure the elbow's ROM and carrying angle; however, some authors question its poor intertester reliability.We (1) assessed the validity of goniometric measurements as compared with radiographic measurements in the evaluation of ROM of the elbow and (2) determined the reliability of both.The ROM and carrying angle of 51 healthy subjects (102 elbows) were measured using two methods: with a universal goniometer by one observer three times and on radiographs by two independent examiners. Paired t-test and Pearson's correlation were used to compare and detect the relationship between mean ROM. The maximal error was calculated according to the Bland and Altman method.The intraclass correlation coefficients (ICC) ranged from 0.945 to 0.973 for the goniometric measurements and from 0.980 to 0.991 for the radiographic measurements. The two methods correlated when measuring the total ROM in flexion and extension. The maximal errors of the goniometric measurement were 10.3° for extension, 7.0° for flexion, and 6.5° for carrying angle 95% of the time. We observed differences for maximum flexion, maximal extension, and carrying angle between the methods.Both measurement methods differ but they correlate. When measured with a goniometer, the elbow ROM shows a maximal error of approximately 10°.The goniometer is a reasonable and simple clinical tool, but for research protocols, we suggest using the radiographic method because of the higher level of precision required.

Goniometer

10.1007/s11999-011-1986-8

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Citations (143)

Progressive osteolysis of the radius after distal biceps tendon repair with the bioabsorbable screw

Journal of Shoulder and Elbow Surgery (2011)

Anna Potapov Y. Laflamme Sylvain Gagnon Fanny Canet Dominique M. Rouleau

Osteolysis

Biceps tendon

10.1016/j.jse.2011.02.021

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Citations (44)

Effect of elbow position on radiographic measurements of radio-capitellar alignment

World Journal of Orthopedics (2016)

Émilie Sandman Fanny Canet Yvan Petit G-Yves Laflamme George S. Athwal

To evaluate the effect of different elbow and forearm positions on radiocapitellar alignment.Fifty-one healthy volunteers were recruited and bilateral elbow radiographs were taken to form a radiologic database. Lateral elbow radiographs were taken with the elbow in five different positions: Maximal extension and forearm in neutral, maximal flexion and forearm in neutral, elbow at 90° and forearm in neutral, elbow at 90° and forearm in supination and elbow at 90° and forearm in pronation. A goniometer was used to verify the accuracy of the elbow's position for the radiographs at a 90° angle. The radiocapitellar ratio (RCR) measurements were then taken on the collected radiographs using the SliceOmatic software. An orthopedic resident performed the radiographic measurements on the 102 elbows, for a total of 510 lateral elbow radiographic measures. ANOVA paired t-tests and Pearson coefficients were used to assess the differences and correlations between the RCR in each position.Mean RCR values were -2% ± 7% (maximal extension), -5% ± 9% (maximal flexion), and for elbow at 90° and forearm in neutral -2% ± 5%, supination 1% ± 6% and pronation 1% ± 5%. ANOVA analyses demonstrated significant differences between the RCR in different elbow and forearm positions. Paired t-tests confirmed significant differences between the RCR at maximal flexion and flexion at 90°, and maximal extension and flexion. The Pearson coefficient showed significant correlations between the RCR with the elbow at 90° - maximal flexion; the forearm in neutral-supination; the forearm in neutral-pronation.Overall, 95% of the RCR values are included in the normal range (obtained at 90° of flexion) and a value outside this range, in any position, should raise suspicion for instability.

Elbow flexion

10.5312/wjo.v7.i2.117

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The normal proximal ulnar anatomy influences elbow range of motion

Dominique M. Rouleau Fanny Canet Julien Chapleau Yvan Petit Kenneth J. Faber

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A new superelastic cable for bone fixation in trauma : comparison with commonly used orthopaedic cables

Fanny Canet Yannick Baril Guillaume Bissonnette Vladimir Braïlovski Yvan Petit

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Radial head instability following malalignment of the proximal ulna: a biomechanical study

Émilie Sandman Fanny Canet Yvan Petit Georges-Yves Laflamme G Athwal

Biomechanics

Joint instability

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Citations (2)

Nouveau câble iso-élastique : comparaison avec les câbles couramment utilisés en orthopédie

Guillaume Bissonnette Fanny Canet Yannick Baril Vladimir Braïlovski Yvan Petit

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Does Radiographic Beam Angle Affect the Radiocapitellar Ratio Measurement of Subluxation in the Elbow?

Clinical Orthopaedics and Related Research (2013)

F. McCann Fanny Canet Émilie Sandman Yvan Petit Dominique M. Rouleau

Radial head alignment is the key to determine elbow reduction after treatment of subluxations or Monteggia fractures. The radiocapitellar ratio (RCR) quantifies the degree of subluxation, by evaluating radial head alignment with the capitellum of the humerus; this ratio is reproducible when measured on true lateral radiographs of nonsubluxated elbows. However, the impact of beam angulation on RCR measurement is unknown.Our hypotheses were that the RCR of the nonsubluxated elbow would remain in the normal range as the beam angle changed and that the RCR variability would increase for the subluxated elbow with small deviations in the beam angle.Radiographs were taken of six healthy cadaveric extremities using beam angles ranging from -20° to 20° along the inferosuperior axis and from -20° to 20° along the dorsoventral axis. The same views then were taken of the six arms with anterior radiocapitellum subluxation followed by posterior radiocapitellum subluxation. RCRs were measured by one observer. As a reference value, the RCR was measured in the 0° to 0° position and the difference between each RCR in a nonreference position was subtracted from each RCR reference to obtain the delta-RCR. An ANOVA was performed to assess the main and interactive effects on the RCR measured in each C-arm position compared with the RCR measured on a true lateral radiograph.The RCR remained in the normal range even as the beam angle of the C-arm varied between -20° and 20°. The position of the beam did not affect the RCR in anteriorly subluxated elbows (p = 0.777), whereas RCR variation increased especially in the presence of posterior radial head subluxation when the C-arm position was 10° or more out of plane (p = 0.006). The inferosuperior malposition of the C-arm had a greater impact on quantification of radial head alignment measurement. Despite that, the RCR measurement is reliable in reduced and subluxated elbows on lateral radiographs with a C-arm position deviation of as much as 20°.Identification of a subluxated elbow could be made on any lateral radiograph with a beam angulation deviation of as much as 20°. This suggests that the RCR is a useful diagnostic tool for clinical and research purposes, although for subluxated elbows, it is important to pay careful attention to the inferosuperior position of the C-arm.

Subluxation

Cadaveric spasm

10.1007/s11999-013-3027-2

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Citations (5)

Demographic and anthropometric factors affecting elbow range of motion in healthy adults

Journal of Shoulder and Elbow Surgery (2012)

Julien Chapleau Fanny Canet Yvan Petit Émilie Sandman G-Yves Laflamme

Elbow flexion

10.1016/j.jse.2012.05.028

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Citations (21)

L'effet de la position du coude sur le radio-capitellum ration (RCR)

E. Sandman Fanny Canet Yvan Petit G. Yves Laflamme Dominique M. Rouleau

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