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Lesions to the supraspinous ligament may result in palpable thickening. [5] Ultrasound is effective for detecting lesions. [5] [6] A strain injury can also damage the supraspinous ligament. [7] The supraspinous ligament creates resistance during midline epidural anaesthetics when the needle is being inserted.
The supraspinatus (pl.: supraspinati) is a relatively small muscle of the upper back that runs from the supraspinous fossa superior portion of the scapula (shoulder blade) to the greater tubercle of the humerus.
Supraspinal means above the spine, and may refer to, above the spinal cord and vertebral column: brain; or above the spine of scapula: supraspinatus muscle; supraspinatous fascia; supraspinatous fossa; supraspinous ligament
It then runs along the superior border of the scapula through the suprascapular canal, [1] in which it enters via the suprascapular notch inferior to the superior transverse scapular ligament and enters the supraspinous fossa. [2]
Supraspinal control of the stretch reflex means the signal travels above the spinal cord before traveling back down to the same segment it entered the spinal cord from. The responses from these pathways are often termed medium or long latency stretch reflexes, because the time course is longer due to distance it needs to travel. [7]
The fossa can be exposed by the removal of skin and the superficial fascia of the back and the trapezius muscle.. The supraspinous fossa is bounded by the spine of scapula on the inferior side, acromion process on the lateral side and the superior angle of scapula on the superior side.
The suprascapular vessels vary in number as well as in their course as they run at the suprascapular notch site. The suprascapular artery pass above the suprascapular ligament in most cases. The suprascapular vein may pass through the suprascapular notch or it may instead pass superior to the suprascapular ligament. [3] [1]
The nuchal ligament is unusual in being a ligament with an elastic component, allowing for stretch. [5] Structurally, the nuchal ligament is formed with the association of both elastin proteins as well as type III collagen (45%). The collagen fibrils share a consistent size as well as helical pattern which gives the ligament its tensile ...