Biomechanical study of the ligamentous system of the acromioclavicular joint.

Fukuda, Kanji; Craig, Edward V.; An, K. N.; Cofield, Robert H.; Chao, Edward

doi:10.2106/00004623-198668030-00019

Cited by 550 publications

(389 citation statements)

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“…[24][25][26][27] In the present study, the distal end of the clavicle translated about 3.5 mm and 1 mm during arm abduction in the anteroposterior and superior directions, respectively. Fukuda et al 26 measured translations at the AC joint during application of two different loads (averaged 10N and 90N) and discussed that a small load might correspond to the physiological load encountered in daily living 3D KINEMATICS OF THE AC JOINT activities, while a large load might be associated with injury. The discrepancy between the present and previous results may be due to the loads applied to the AC joint being larger than those during in vivo motion.…”

Section: Discussionsupporting

confidence: 47%

“…For the ligamentous constraints, the AC and trapezoid ligaments contribute to the joint constraint at the posterior translation, and the AC and conoid ligaments contribute at the anterior translation. [24][25][26][27] However, pure translations of the clavicle were simulated to generate these conclusions, not in vivo motion. The animation file, ''movie 1,'' showed that the horizontally anterior rotation of the clavicle with respect to the scapula increased as the abducted angle increased.…”

Section: Discussionmentioning

confidence: 99%

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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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Section: Discussionsupporting

confidence: 47%

Section: Discussionmentioning

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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“…The trapezoid ligament provides the major support against compressive loads applied along the axis of clavicle and acts as a secondary restraint to superior translation. The coronoid ligament contributes to both superior and anterior stability [8,15]. The ideal surgical treatment for complete AC dislocation would separately restore each ligament supporting the AC joint to achieve functionally optimal outcomes.…”

Section: Discussionmentioning

confidence: 99%

Triple endobuttton technique for the treatment of acute complete acromioclavicular joint dislocations: preliminary results

Wei

Chen

Zeng

et al. 2010

International Orthopaedics (SICOT)

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Numerous procedures have been described for the operative management of acromioclavicular (AC) joint injuries. Some of these techniques, including hardware fixation and non-anatomical reconstructions, are associated with serious complications and high failure rates. Recently, AC joint reconstruction techniques have focused on anatomical restoration of the coracoclavicular ligaments to achieve optimal clinical outcomes. We used a triple endobutton technique to separately reconstruct the trapezoid and the coronoid portions of the coracoclavicular ligament. We evaluated the preliminary clinical and radiological results of this technique in patients with acute complete dislocation of the AC joint. All patients achieved a significant improvement in the pain and function of shoulder at a mean follow-up interval of 12 months (range, 8-14 months). Excellent reduction of the AC joint was maintained. The triple endobutton technique may be safe and effective for the treatment of acute complete AC joint dislocations.

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“…In mechanical experiments using cadaver shoulders by Fukuda et al [6] the conoid ligament had the strongest limiting effect on anterior and upward movements of the acromioclavicular joint. Although a primary repair of the coracoclavicular ligaments is the ideal treatment, ligament reconstruction is indicated in most cases because of its cicatrization.…”

Section: Discussionmentioning

confidence: 95%

Clinical Outcomes of the Cadenat Procedure in the Treatment of Acromioclavicular Joint Dislocations

et al. 2014

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Biomechanical study of the ligamentous system of the acromioclavicular joint.

Cited by 550 publications

References 0 publications

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

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

Triple endobuttton technique for the treatment of acute complete acromioclavicular joint dislocations: preliminary results

Clinical Outcomes of the Cadenat Procedure in the Treatment of Acromioclavicular Joint Dislocations

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