Not infrequently this groove is subdivided longitudinally by a line which gives attachment to the intermuscular septum of the Subclavius. This article incorporates text in the public domain from page 202 of the 20th edition of Gray's Anatomy (1918)

Jul 24, 2023 · inferior surface: The subclavius muscle resides in the subclavian groove of the clavicle and functions to depress the shoulder as well as pull the clavicle anteroinferiorly. The coracoacromial ligament is located laterally and provides …

The upper surface of the body of the first rib is marked by two shallow grooves, separated from each other by a slight ridge prolonged internally into a tubercle, the scalene tubercle, for the attachment of the Scalenus anterior; the anterior groove (groove for subclavian vein) transmits the subclavian vein, the posterior (groove for subclavian ...

Sep 14, 2023 · The subclavius muscle, which is attached to a groove found in the middle of the bone’s inferior surface. From there, the muscle extends into both lateral and medial areas of the clavicle. The sternohyoid muscle, which attaches to the medial end of clavicle.

The groove (sulcus) for subclavian artery is a shallow depression located on the middle part of the superior surface of the first rib. It lies immediately posterior to the scalene tubercle, while the groove for the subclavian vein is located anterior to this tubercle.

Oct 30, 2023 · The subclavian artery is a paired arterial vessel of the thorax. The right and left arteries have different origins; the left subclavian artery originates directly from the aortic arch, while the right subclavian artery originates from the brachiocephalic trunk.

The presence of a widened mediastinum on chest radiograph, upper-extremity pulse deficits, displaced first rib fractures, subclavian groove fractures, brachial plexus injury and an expanding haematoma are situations where such investigations are warranted.

Jan 28, 2025 · Subclavian Groove: A longitudinal groove on the inferior surface, providing space for the subclavius muscle. Conoid Tubercle : Located on the lateral end of the inferior surface, where the conoid ligament attaches.

The meaning of SUBCLAVIAN GROOVE is either of two grooves for the passage of the subclavian artery and vein along the first rib.

Sep 13, 2017 · In the middle one-third of the clavicle, the subclavius muscle inserts in a groove known as the subclavius groove , which serves as an attachment site of the clavipectoral fascia (Fig. 1.2) .