The anatomist's vade mecum : a system of human anatomy . When seenfrom before, it has a quadrilateral form; hence it is named trapezoid:and, examined from behind, it has a triangular form, the base beingupwards; hence another name, conoid. * The ligaments of tlie sterno-clavicvilar and costo-sternal The anteiioi sterno-clavicular ligament. 2. The inter-clavicular The costo-clavicular or rhomboid ligament, seen on both sides. 4. Theinterarticular fibro-cartila^je, brought into view by the removal of the anteriorand posterior ligaments. 5. The anterior costo-sternal
The anatomist's vade mecum : a system of human anatomy . When seenfrom before, it has a quadrilateral form; hence it is named trapezoid:and, examined from behind, it has a triangular form, the base beingupwards; hence another name, conoid. * The ligaments of tlie sterno-clavicvilar and costo-sternal The anteiioi sterno-clavicular ligament. 2. The inter-clavicular The costo-clavicular or rhomboid ligament, seen on both sides. 4. Theinterarticular fibro-cartila^je, brought into view by the removal of the anteriorand posterior ligaments. 5. The anterior costo-sternal ligaments of the firstand second ribs. LIGAMENTS OF THE SCAPULA. 137 The interarticular fihro-cartilage is often indistinct, from havingpartial connections with the fibro-cartilaginons surfaces of the twobones between which it is placed; and it is not unfrequently partial, it occupies the upper part of the articulation. The synovial membranes are very delicate,when the fibro-cartilage is incomplete. There is, of course, but one, Fig. 66.*. Actions.—The acromio-clavicular articulation admits of two move-ments—the gliding of the surfaces upon each other,, and the the scapula upon the extremity of the clavicle. 3. Th^ proper ligaments of the scapzda are the Coraco-acromial,Transverse. The coraco-acromial ligament is a broad and thick triangular band,which forms a protecting arch over the shoulder joint. It is attachedby its apex to the point of the acromion process, and by its base to theexternal border of the coracoid process its w^hole length. This ligamentis in relation above with the under surface of the deltoid muscle; and * The ligaments of the scapula and shoulder joint. 1. The superioracromio-clavicular ligament. 2. Thecoraco-clavicular ligament; this aspectof the ligament is named trapezoid. 3. The coraco-acromial ligament. 4. Thetransverse ligament. 5. The capsular ligament. 6. The coraco humeralligament. 7. The long tendon of the biceps issui
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