Scaphoid Surface Anatomy 2021 | haberleronline.site

Approximately 75 % of the scaphoid is covered with articular cartilage, with only the volar surface being partially uncovered [9, 10]. Four distinct anatomic regions of the scaphoid have been described: 1 the tubercle, 2 the distal pole, 3 the proximal pole, and 4 the waist. Fig. The scaphoid os scaphoideum is the largest of the proximal row of carpal bones and forms the radial portion of the carpal tunnel. It is important for stability and movement at the wrist and may be fractured after a fall onto a hyperextended hand. The scaphoid has characteristic anatomic features: it articulates with five adjacent bones through a largely cartilaginous surface and features a complex network of ligamentous attachments. THE RADIOLOGICAL ANATOMY OF THE SCAPHOID Part 1: Osteology J. P. COMPSON, J. K. WATERMAN and F. W. HEATLEY From the Orthopaedic Academic Unit, Rayne Institute, United Medical and Dental Schools of Guy's and St Thomas's, London, UK A review of the anatomical and clinical literature found that previous descriptions of the scaphoid were not. The bad thing about scaphoid fractures is that the blood supply from a branch of the radial artery comes from distal to proximal. Since most fractures happen at the waist of the scaphoid the likelihood of having poor blood supply to the fracture site is quite high. It doesn’t help matters that around 80% of the scaphoid is articular surface.

The anatomy of the scaphoid. Article in Hand Clinics 174:525-32 · December 2001 with 148 Reads How we measure 'reads' A 'read' is counted each time someone views a publication summary such as. 14.12.2015 · How to get rid of muscle knots in your neck, traps, shoulders, and back - Duration: 15:23. Tone and Tighten 2,904,227 views. The palmar surface of the scaphoid is concave, and forming a tubercle, giving attachment to the transverse carpal ligament. The proximal surface is triangular, smooth and convex, and articulates with the radius and adjacent carpal bones, namely the lunate, capitate, trapezium and trapezoid.

Anatomy: Articular surface > 75% of scaphoid bone is covered by articular cartilage; Blood supply. major blood supply is dorsal carpal branch branch of the radial artery enters scaphoid in a nonarticular ridge on the dorsal surface and supplies proximal 80% of scaphoid via retrograde blood flow. Start studying Wrist and Hand Anatomy. Learn vocabulary, terms, and more with flashcards, games, and other study tools. On surface anatomy, the scaphoid is located below the anatomic snuffbox Figure 2. This triangular depression is defined by the exten- sor and abductors of the thumb, and is easily visible when.

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