The greater tubercle of the humerus is the outward part the upper end of that bone, adjacent to the large rounded prominence of the humerus head. It provides attachment points for the supraspinatus, infraspinatus, and teres minor muscles, three of the four muscles of the rotator cuff, a muscle group that … See more The upper surface of the greater tubercle is rounded, and marked by three flat impressions: • the highest ("superior facet") gives insertion to the supraspinatus muscle. • the middle ("middle … See more All three of the muscles that attach to the greater tubercle are part of the rotator cuff, a muscle group that stabilizes the shoulder joint. The greater tubercle therefore acts as a location for the transfer of forces from the rotator cuff muscles to the humerus. The fourth muscle … See more • Anatomy figure: 03:02-09 at Human Anatomy Online, SUNY Downstate Medical Center • Anatomy figure: 05:01-07 at Human Anatomy Online, SUNY Downstate Medical … See more The greater tubercle is usually the easiest part of the humerus to palpate. It can be a useful surface landmark during surgery. See more • Human arm bones diagram See more WebDec 19, 2024 · Tuberosity - A moderate prominence where muscles and connective tissues attach. Its function is similar to that of a trochanter. …
6 Easy Greater Tuberosity Fracture Rehabilitation …
WebThe greater tuberosity fragment tends to be displaced superiorly and posteriorly due to the pull of the rotator cuff (supraspinatus and infraspinatus tendon). If the greater tuberosity heals with displacement (5 mm or more), it may impinge upon the coracoacromial arch, limiting motion, and producing pain. In this position, it provides a shorter ... WebMar 12, 2024 · Displaced greater tuberosity fractures of the humerus require anatomic reduction with stable fixation to optimize rotator cuff function and prevent subacromial impingement. A wide variety of surgical approaches and fixation constructs have been reported, largely with favorable results. dexamethasone iontophoretic patch
Arthroscopic Management of Displaced Greater Tuberosity Fractures
Web2.1.4Greater tubercle 2.1.5Lesser tubercle 2.1.6Bicipital groove 2.2Shaft 2.3Distal humerus 2.3.1Articular surface 2.4Fossae 2.4.1Epicondyles 2.4.2Borders 2.5Articulations 2.6Nerves 3Function Toggle Function … WebOct 26, 2024 · The greater tubercle is the most lateral portion of the proximal end of the humerus. It consists of three smooth and flat impressions at the posterosuperior aspect for the attachment of muscles. … Web月骨(或稱半月骨)是人體手部掌骨的一部份,特色是前側深陷而呈現新月狀。 它位於掌骨近心列(即最靠近前臂的一列)的中央,夾在外側的手舟骨和內側的 三角骨 ( 英语 : Triquetral bone ) 之間,並和前臂的尺骨與橈骨形成關節。:708. 參見. 掌骨; 參考資料. 本條目包含來自屬於公共領域版本的 ... dexamethasone is it steroid