Articoli correlati a An introduction to the study of the diseases of the...
An introduction to the study of the diseases of the nervous system; being lectures delivered in the University of Edinburgh during the tercentary year - Brossura
Sinossi
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1884 Excerpt: ...in the tibialis anticus. When the foot is passively bent forward, it sometimes happens that this muscle, which then becomes greatly relaxed, gets into a state of contraction, and continues so for a considerable time. I know one individual in whom, when his foot is placed in a particular position, so as to relax the tibialis anticus, contraction at once results. It is not confined to the tibialis anticus, but may occur in the muscles of the wrist and finger-joints, and the supinator longus, as well as in the flexors of the knee-joint. You will sometimes see it in locomotor ataxia, and sometimes it occurs in people who are apparently quite healthy, and sometimes in connection with paralysis agitans, and sometimes, again, in paralysis of the muscles. We very seldom see examples of this condition, and I cannot at present explain it. LECTURE VIII. Motor Functions--(Continued. Voluntary Movement.--Dynamometer.--Paralysis.--Paresis.--Weakness from Disease of Muscles.--Choreic Movements.--Clonic Spasms.--Tonic Spasms.--Athetosis.--Saltatory Spasms and Eclampsia Nutans.--Cramp.--Cataleptic Rigidity.--Contracture.--Co-ordination.--Definition.--Inborn.--Acquired.--Mechanism subserving it.--Failure from Sensory, Central, and Efferent Disease.--Trade Spasms.--Conjugate Deviation.--Cough. ENTLEMEN,--We commence to-day with the study of voluntary movements and their modifications. In testing the power of movement possessed by the muscles, it is necessary to advert both to the power of movement proper, and to the power of co-ordination. The former may be determined by systematically testing the movements at the different joints. The amount of strength in Fig. 64. Dynamometer (Collin). the arms and legs may be estimated in a rough way by asking the patient to squeeze the ha...
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