Anatomic variance of the coracoclavicular ligaments

Harris, Richard; Vu, Dzung; Sonnabend, David H.; Goldberg, J.; Walsh, William R.

doi:10.1067/mse.2001.118480

Cited by 103 publications

(76 citation statements)

References 8 publications

(7 reference statements)

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“…According to Harris et al [7], the variations of the CCL complex include confluence of conoid ligament and superior transverse scapular ligament, and additional superolateral fascicles, but the MCCL has not been mentioned. If analogy is made with the congenitally short costocoracoid ligament [1], we can assume that the MCCL could also imply an autosomal dominant mode of inheritance with variable expression, but with the very limited number of reports available on MCCL up to now, it is difficult to predict its exact incidence in the general population.…”

Section: Discussionmentioning

confidence: 99%

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Medial coracoclavicular ligament revisited: an anatomic study and review of the literature

Štimec

Lädermann

Wohlwend

et al. 2012

Arch Orthop Trauma Surg

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The medial coracoclavicular ligament (MCCL), up to now rarely reported in the literature, was studied in a formol-fixed cadaver by means of dissection, morphometry, and light microscopy. This entity represents a true ligament within the coracoclavicular fascia. Although longer and narrower than its lateral counterpart, the medial coracoclavicular ligament follows the same morphological pattern, including the cartilage at the level of the coracoidal attachment. Its clinical significance and implications together with a review of the literature is presented.

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Section: Discussionmentioning

confidence: 99%

“…Rare references mention beside them a medial coracoclavicular ligament (MCCL) [6,14]. To our knowledge, data on morphometric and microscopic properties of this anatomical entity are lacking, in contrast to numerous studies of the lateral CCL [2,7,15,18,20].…”

Section: Introductionmentioning

confidence: 99%

Medial coracoclavicular ligament revisited: an anatomic study and review of the literature

Štimec

Lädermann

Wohlwend

et al. 2012

Arch Orthop Trauma Surg

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“…The relationship between the orientation of the screw axis and the morphology of the bones, especially the insertions of the AC and CC ligaments, was evaluated. The orientations of the insertions of these ligaments were defined 14,15 ( Fig. 2).…”

Section: Motion Analysismentioning

confidence: 99%

3D kinematic analysis of the acromioclavicular joint during arm abduction using vertically open MRI

Sahara

Sugamoto

Murai³

et al. 2006

J. Orthop. Res.

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Many researchers have evaluated the motions of the shoulder girdle, especially scapular and humeral motion. However, few reports exist that describe motions of the acromioclavicular joint. The purpose of the present study was to analyze the 3D kinematics of the acromioclavicular joint during arm abduction using 3D MR images obtained by a vertically open MRI. Fourteen shoulders of seven volunteers were examined in seven static positions from 08 to the maximum abduction in a seated position. 3D surface models of the clavicle and scapula were created, and the movements of the acromioclavicular joint from 08 to each position were calculated using the volume-based registration technique. From these calculations, the translations were evaluated and the rotational motions were analyzed using the concept of the screw axis. In the anteroposterior direction, the clavicle translated most posteriorly (À1.9 AE 1.3 mm) at 908 of abduction and most anteriorly (1.6 AE 2.7 mm) at maximum abduction. In the superoinferior direction, the clavicle translated slightly superiorly (0.9 AE 1.9 mm). When analyzing relative motion of the scapula with respect to the clavicle, the scapula generally rotated about a specific screw axis passing through the insertions of both the acromioclavicular and the coracoclavicular ligaments on the coracoid process. The average rotation was 34.9 AE 8.48. ß

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“…Its apex is located approximately 2.1 cm from the anterior glenoid rim and 1.1 cm from the most proximal portion of the humeral head (7,8) . This site is the origin and insertion of important tendon structures such as the tendons of the coracobrachialis muscles, short head of the biceps brachialis and the pectoralis minor, along with the coracoclavicular, coracohumeral, coracoacromial, coracocostal and glenohumeral ligaments in some cases.…”

Section: Discussionmentioning

confidence: 99%

Osteotomias do processo coracoide: um estudo anatômico

Terra

Figueiredo

Marczyk³

et al. 2012

Rev. bras. ortop.

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Objective: Relate the main tendinous and ligamentous structures attached in the coracoid process, correlating it to several levels of osteotomy and describing the involved structures. Methods: Thirty shoulders were dissected. The coracoid process with mainly inserted anatomic structures was dissected, and five levels of osteotomy (1.0; 1.5; 2.0; 2.5; 3.0 cm) were made from the apex of the process and the mainly involved structures were recorded. Results: In osteotomies of 1.0 cm, in 100% of the cases only the conjoint tendon (CT). In osteotomies of 1.5 cm there were 63.33% of cases involved with the CT and the Pectoralis minor (PMi), in 20% of cases only the CT, and in 16.66% the CT, PMi, and the coracohumeral ligament (CUL). In osteotomies of Rev Bras Ortop. 2012;47(3):337-43 2.0 cm, in 80% of the shoulders, the osteotomies embraced the CT, PMi and the CUL, and in 20% only the CT and the PMi were involved. In the osteotomies of 2.5cm there was involvement of the CT, PMi and CUL in 100% of cases. In the osteotomies of 3.0cm, six cases (20%) have presented an injury on the trapezoid ligament, and in 100% of these osteotomies, the osteotomized distal fragment had embraced the CT, PMi, CUL. Conclusion: The knowledge of anatomic structures inserted and involved in the osteotomies cuts of the coracoid process is very importan to lead with osteotomies performed in the treatment techniques of the coracoid process. Osteotomies of 3.0 cm can injure the trapezoid ligament.

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Anatomic variance of the coracoclavicular ligaments

Cited by 103 publications

References 8 publications

Medial coracoclavicular ligament revisited: an anatomic study and review of the literature

Medial coracoclavicular ligament revisited: an anatomic study and review of the literature

3D kinematic analysis of the acromioclavicular joint during arm abduction using vertically open MRI

Osteotomias do processo coracoide: um estudo anatômico

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