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Arthrography of shoulder joint (with or without computed tomography) is performed by injecting contrast below and lateral to the coracoid process to outline the shoulder joint. Axillary pouch of the shoulder can be seen on external rotation, while subscapular (subcoracoid) bursa can be seen on internal rotation of arm. The contrast should not ...
[1]: 6 It, along with the lunate bone, articulates with the radius and ulna to form the major bones involved in movement of the wrist. [5] The scaphoid serves as a link between the two rows of carpal bones. With wrist movement, the scaphoid may flex from its position in the same plane as the forearm to perpendicular. [1]: 176–177
The scapholunate ligament is an intraarticular ligament binding the scaphoid and lunate bones of the wrist together. It is divided into three areas, dorsal, proximal and palmar, with the dorsal segment being the strongest part. [3] It is the main stabilizer of the scaphoid. In contrast to the scapholunate ligament, the lunotriquetral ligament ...
The shoulder girdle [5] or pectoral girdle, [6] composed of the clavicle and the scapula, connects the upper limb to the axial skeleton through the sternoclavicular joint (the only joint in the upper limb that directly articulates with the trunk), a ball and socket joint supported by the subclavius muscle which acts as a dynamic ligament. While ...
The shoulder joint also known as the glenohumeral joint is a synovial ball and socket joint. The shoulder joint involves articulation between the glenoid cavity of the scapula (shoulder blade) and the head of the upper arm bone and functions as a diarthrosis and multiaxial joint. Due to the very loose joint capsule that gives a limited ...
The glenohumeral joint, to which the term "shoulder joint" commonly refers, is a ball-and-socket joint that allows the arm to rotate in a circular fashion or to hinge out and up away from the body. The "ball" is the top, rounded portion of the upper arm bone or humerus; the "socket," or glenoid , is a dish-shaped part of the outer edge of the ...
An X-ray showing a fracture through the waist of the scaphoid: Specialty: Hand surgery, emergency medicine: Symptoms: Pain at the base of the thumb, swelling [2] Complications: Nonunion, avascular necrosis, arthritis [2] [1] Types: Proximal, medial, distal [2] Causes: Fall on an outstretched hand [2] Diagnostic method: Examination, X-rays, MRI ...
This burst causes the scaphoid bone to dorsally rotate. [3] A gap of more than 3mm is pathognomonic for scapholunate dissociation. [4] The resulting separation between the scaphoid and lunate bones leaves a space on the x-ray that is similar to the gap comedian Terry-Thomas had between his front teeth.