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Updated: June 22, 2025
The patient landed on his feet, the blood spurting from each brachial artery in a large stream. His fellow-workmen, without delay, wound a piece of rope around each bleeding member, and the man recovered after primary amputation of each stump. Will gives an excellent instance of avulsion of the right arm and scapula in a girl of eighteen, who was caught in flax-spinning machinery.
The displacement of the scapula is not so marked as in the preceding type, and the patient is able to perform pushing movements below the level of the shoulder. If the reaction of degeneration develops, an operation may be performed, the ends of the nerve being sutured, or the distal end grafted into the posterior cord of the brachial plexus.
Make a man a blacksmith, and his brachial muscles will develop in accordance with the demands made upon them, and in like manner, says Lamarck, "the efforts of some short-necked bird to catch fish without wetting himself have, with time and perseverance, given rise to all our herons and long-necked waders."
The author has seen one case of brachial paralysis occasioned by an enormous development of fibrous tissue involving the structures about the ulna. Lameness caused by disturbances of circulation may be due to structural affection of vessels, or functional disorders of the heart, and in some instances, a combination of these causes may be active.
The pain, without being extremely intense, was such as effectually to prevent sleep: and seemed to follow the course of the brachial nerve. Whilst ascertaining the propriety of this conclusion, the pain was found to ramify, as it were, on the fore and back part of the chest; and was slightly augmented by drawing a deep breath.
Fayrer speaks of a wolf-bite of the forearm, followed by necrosis and hemorrhage, necessitating ligature of the brachial artery and subsequent excision of the elbow-joint. Injuries from Lightning. The subject of lightning-stroke, with its diverse range of injuries, is of considerable interest, and, though not uncommon, the matter is surrounded by a veil of superstition and mystery.
In the example we are considering, the brachial muscle is attached about half an inch beyond the fulcrum at the elbow, while the total length of the lever, measured from the elbow to the palm, is 12 inches. Now, it is very evident that the muscle or power being attached so close to the elbow, works under a great disadvantage as regards strength.
The 'superficial brachial vein', the 'cephalic' vein of the human subject, and the 'plat' vein of the farrier, may be resorted to in all lamenesses of the fore limb, and especially in all shoulder-wrenches, strains of the loins, and of the thigh and the leg, and muscular and ligamentous extensions of any part of the hind limbs; the 'vena saphena major', and the 'anterior tibial' vein may be punctured in such cases.
He kept cursing at the insufficient light. The room was on the ground floor with the windows giving directly upon the main street with its heavy traffic. Contrary to expectation, the tumour lay deep, extending between the large nerve bundles and blood vessels in the inner portion of the brachial plexus.
Chvostek's sign consists in a visible twitch of the facial musculature, especially of the orbicularis palpebrarum or of the orbicularis oris, in response to a gentle tap administered over the facial nerve in front of the ear. Trousseau's sign is the production of tetany by applying firm and prolonged pressure to the brachial nerve in the upper arm.
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