humerus

Humeral Bone (Upper Arms) Deficiency

Table of Contents Introduction Surgery Introduction Humeral head defects are commonly present in patients with shoulder instability. The defects are usually small and carry the eponym Hill-Sachs lesion when secondary to anterior instability and reverse Hill-Sachs lesions when secondary to posterior instability. Although quite ubiquitous in recurrent anterior shoulder instability, the management of large Hill-Sachs …

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Tear & Inflammation of the Deltoid Muscle (Treatment in Singapore)

Tears of the deltoid muscle, though infrequent, do occur in team handball and volleyball players, American footballers, weightlifters, wrestlers, and other athletes. The muscle is damaged in most cases by direct impact, but it can also be injured by overuse. The tear affects only a small part of the muscle, making it difficult to raise …

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Biomechanics of Shoulder Stability (Static Stability Factor)

The glenohumeral (shoulder) joint is inherently unstable, with the large humeral head articulating with the small and shallow glenoid. Static stability is provided by the orientation of the articular surfaces, the articular conformity of humerus and the glenoid, the glenoid labrum, the negative intra-articular pressure, the adhesion-cohesion of synovial joint fluid, and the glenohumeral joint …

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Achondroplasia Treatment in Singapore

Table of Contents Basics Diagnosis Treatment for Achondroplasia in Singapore Miscellaneous FAQ Basics Description Achondroplasia is the most common skeletal dysplasia. Characteristics: Patient height <4.5 feet at maturity The greatest shortening occurs in the proximal humerus and femur. Hypoplasia of the midface and frontal bossing may be present. Arthritis is rarely seen, but spinal stenosis …

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