Winging of the scapula caused by disruption of “sternoclaviculoscapular linkage”: Report of 2 cases

Rasyid, Hermawan Nagar; Nakajima, Takahiro; Hamada, Keisuke; Fukuda, Hiroaki

doi:10.1067/mse.2000.102068

Cited by 12 publications

(13 citation statements)

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“…Past literature has also indicated SC joint dysfunction can result in abnormal scapular ''winging.'' 30 Further study is needed to fully describe the SC and AC joint movement during scapular motion on the thorax, and to determine the effects of disruptions of the clavicular scapular linkage on kinematics in pathological states. 30 Because the differing SC and AC joint axes of rotation both contribute to scapular motion on the thorax, it may be beneficial to distinguish the relative contributions of the SC and AC joints when assessing patients and exercise approaches.…”

Section: Discussionmentioning

confidence: 99%

Three-Dimensional Clavicular Motion During Arm Elevation: Reliability and Descriptive Data

Ludewig¹,

Behrens²,

Meyer³

et al. 2004

J Orthop Sports Phys Ther

101

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Study Design: Cross-sectional. Objectives: To determine the reliability of a surface sensor measurement of clavicular motion during arm elevation and to describe 3-dimensional clavicular motion in an asymptomatic population. Background: Abnormal scapular motion on the thorax has been implicated in shoulder pathology. Without the ability to measure clavicular motion, it is not possible to identify if abnormal scapular motions derive from the sternoclavicular or acromioclavicular joints. Methods and Measures: Thirty-nine subjects participated in the investigation, including an asymptomatic group (n = 30) and a group with a history or current symptoms of shoulder pathology (n = 9). Clavicular angles relative to the thorax were tracked with surface electromagnetic sensors on the thorax, clavicle, and humerus as subjects completed humeral flexion, scapular plane abduction, and abduction. Within-day reliability was assessed using intraclass correlation coefficients and SEM. Descriptive statistics quantified sternoclavicular joint motions for the various arm movements. Results: Reliable measurements were obtained, with intraclass correlation coefficients ranging from 0.93 to 0.99, and SEMs from 0.9°to 1.8°. Between-day reliability SEM values were generally 2°to 4°. During elevation of the arm, the clavicle with respect to the thorax generally undergoes elevation (11°-15°maximum), retraction (15°-29°maximum), and posterior long-axis rotation (15°-31°maximum), with variability between subjects and planes of motion regarding the magnitude of motion. Conclusion: Rehabilitation approaches attempting to improve shoulder motion should benefit from improved knowledge of 3-dimensional contributions of the clavicle to normal and abnormal scapular kinematics.

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Section: Discussionmentioning

confidence: 99%

Three-Dimensional Clavicular Motion During Arm Elevation: Reliability and Descriptive Data

Ludewig¹,

Behrens²,

Meyer³

et al. 2004

J Orthop Sports Phys Ther

101

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“…Here we performed the control measurements during repair of the dislocated acromioclavicular joint, which is nevertheless the only frequently performed operation in our hospital during which the subacromial space can be reached without unnecessarily widening the approach. Also, some biomechanical error which might relate to the random position of the scapula might occur [19]. These weaknesses have to be accepted because it is impossible to make measurements used in this study in a completely non-affected shoulder or under local anaesthesia, as was stated also by Nordt et al [16] after some preliminary attempts in a study design similar to ours.…”

Section: Discussionmentioning

confidence: 69%

Local pressures in the subacromial space

Hyvönen

Lantto

Jalovaara

2003

International Orthopaedics

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We recorded pressures in the subacromial space with various degrees of humeral abduction. The recordings were made during open surgery and under general anaesthesia using a 2-mm-thick piezo-electric pressure transducer. The pressures were recorded in 14 patients with shoulder impingement syndrome (Neer's stage II) and in eight patients with acromioclavicular dislocation serving as controls. The pressures were higher in the impingement group than in the control group. In both groups the highest pressures were recorded anterolaterally under acromion. In patients with impingement syndrome, the pressures increased significantly with abduction.

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“…All these muscles sometimes act at the same time and oppose each other at other times, but work together like a well-trained team to allow the arm to move. However, the scapula stability is permitted by muscles, joint capsule and strong ligaments to hold the relationship between the sternum and the upper extremity through the clavicle as a bony strut [8].…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, instability of the scapula associated with the periscapular structures are to be exposed under stress, leading to move the scapula and create the scapula to be rotated and shifted [8] [13].…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, Rasyid, et al, in 2000 proposed the sternoclaviculoscapular (SCS) linkage and described displacement of the scapula in several pathologic conditions of the shoulder including fracture of the clavicle and separation of the acromioclavicular (AC) joint. This author also made a report of two cases of winging of the scapula, and one was from a "neglected" fracture of the clavicle with 2-cm of shortening [8]. Recently, a paper by Ristevski et al in 2013, examined 18 patients with symptomatic clavicular malunion and evidence of scapular winging clinically [9].…”

Section: Introductionmentioning

confidence: 99%

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Influence of Displaced Clavicle Fracture toward Scapular Motion

Rasyid¹

2017

OALib

Self Cite

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Displaced clavicle fracture can result in varying degrees of scapular motion and potentially to be winged scapula, which in the end of its journey will cause axioscapular dull-ache pain, which is often undiagnosed. The purpose of this study was to analyze the influence of clavicle fracture in different locations and its impact on the motion of scapula horizontally and vertically by measuring axioscapular distance. The inclusion criteria were patients suffering from closed displaced clavicle fracture. Motion of the scapula was observed radiologically. Statistical analysis using Chi-square test was performed. We may conclude that the lateral fracture of clavicle may have superior migration of the scapula and greater distance horizontally.

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Winging of the scapula caused by disruption of “sternoclaviculoscapular linkage”: Report of 2 cases

Cited by 12 publications

References 1 publication

Three-Dimensional Clavicular Motion During Arm Elevation: Reliability and Descriptive Data

Three-Dimensional Clavicular Motion During Arm Elevation: Reliability and Descriptive Data

Local pressures in the subacromial space

Influence of Displaced Clavicle Fracture toward Scapular Motion

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