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MRI of the Elbow Joint - Assignment Example

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This study "MRI of the Elbow Joint" looks into the composition of the Elbow joint. The paper also provides a comparison of two positions to obtain magnetic resonance imaging and gives answers to several questions related to MRI, for example about Carpal tunnel syndrome…
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MRI of the Elbow Joint
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Download file to see previous pages The bony depression on the anterior side is known as coronoid fossa, while the posterior depression is known as olecranon fossa. The areas where the bones connect to each other are referred to as articular surfaces. The elbow joint is articulated at Radioulner, Radiohumeral and Ulnohumeral joints. These articular surfaces are covered by the hyaline cartilage. A joint capsule, which is lined by Synovial membrane, encloses the entire joint in such a way that all three joint cavities remain in communication with each other. The elbow joint is stabilized by ligaments. These include Radial and Ulnar Collateral ligaments and the annular ligament of the head of the radius. The medial side of the joint is strengthened by the Ulnar collateral ligament whereas the radial collateral ligament stabilizes the lateral side. The head of the radius is connected to the radial notch of ulna by the annular ligament which runs around the head of the radius. The movements at the elbow joint are facilitated by the muscles attached in this region. These muscles are organized into four different compartments according to their position, namely anterior, posterior, lateral and medial. The anterior group has two muscles, biceps brachii and brachialis. The posterior group has triceps brachii and anconeus muscles. The lateral group has brachioradialis and supinator muscles as well as the extensors of the wrist and fingers. Whereas the flexor muscles of wrist and fingers, along with pronator teres muscle form the part of the medial group. The arterial blood supply to the elbow region is through the brachial artery. The venous drainage is by the way of the brachial vein, median vein and median cubital vein. The nerves supplying the elbow region include musculocutaneous nerve, radial nerve, ulnar nerve and axillary nerve.
The daily activities performed by the hands, grasping and the coordinated movements at the forearm and wrist are possible because of the complex synovial joint at the elbow which is referred to as the elbow joint (Lee et al 2003). It connects the distal end of the upper arm bone humerus to the proximal ends of the two forearm bones radius and ulna.  ...Download file to see next pagesRead More
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