The spine of the scapula or scapular spine is a prominent plate of bone, which crosses obliquely the medial four-fifths of the scapula at its upper part, and separates the supra-from the infraspinatous fossa.

Oct 30, 2023 · It is a shelf-like projection that separates the posterior surface of the scapula into two parts: the superior supraspinous fossa and the inferior infraspinous fossa. The spine of scapula can be readily palpated and serves as an attachment point for several muscles of the scapular region.

Sep 6, 2021 · Spine: It is a triangular plate of bone located on the posterior surface, running transversely across the scapula, dividing the dorsal surface of the scapula into supraspinous and infraspinous fossae. The two fossae remain connected by the spinoglenoid notch, situated lateral to the root of the spine, bridged by the spinoglenoid ligament.

Feb 7, 2024 · The scapula (shoulder blade) is one of three bones that make up your shoulder joint. It forms part of your shoulder’s socket and lets you move and use your shoulder. It’s connected to more than a dozen muscles, tendons and ligaments.

Sep 11, 2023 · Anatomy, bony landmarks and function of the scapula, also known as shoulder blade. The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to seven.

Posteriorly, the scapula is divided into a supraspinous fossa and infraspinous fossa by the scapular spine. Anteriorly, on the costal surface, is the shallow subscapular fossa; Laterally is the glenoid fossa. Anteriorly is the coracoid process; Superiorly is the acromion that is continuous with the scapular spine and arcs anteriorly over the ...

Nov 24, 2021 · The scapula is described as having superior, medial, and lateral borders. Posteriorly, the scapula is divided into a supraspinous fossa and infraspinous fossa by the scapular spine. Anteriorly, on the costal surface, is the shallow subscapular fossa.

The spine of scapula is a prominent plate of bone, which crosses obliquely the medial four-fifths of the dorsal surface of the scapula at its upper part, and separates the supra- from the infraspinatous fossa.

The spine of scapula is the triangular, shelf-like plate that projects from the superior area of the dorsal surface of the scapula. The apex of this triangle is located along the medial border of the scapula and extends laterally towards its base, which …

Jan 21, 2025 · Dorsal Surface: The dorsal surface is divided into two parts by the scapular spine, a prominent ridge running diagonally across the back of the scapula. The area above the spine is called the supraspinous fossa, and the area below is the infraspinous fossa.