Nervous and mental diseases . by stroking, pinch-ing, or, preferably, percussing the muscular masses. Anteriorly, with thepatient lying supine and the abdominal wall relaxed, a tap on the costalcartilages on either side of the xiphoid depression causes a dimpling orlateral movement at this point, called the epigastric reflex. A similar tapon the costal border in the nipple fine, acting through the abdominal obliquemuscle, produces the cd:>dominal reflex, most noticeable at the umbihcus,which is promptly drawn toward the side percussed and in the obhquedirection indicated. Sharply stroking t
Nervous and mental diseases . by stroking, pinch-ing, or, preferably, percussing the muscular masses. Anteriorly, with thepatient lying supine and the abdominal wall relaxed, a tap on the costalcartilages on either side of the xiphoid depression causes a dimpling orlateral movement at this point, called the epigastric reflex. A similar tapon the costal border in the nipple fine, acting through the abdominal obliquemuscle, produces the cd:>dominal reflex, most noticeable at the umbihcus,which is promptly drawn toward the side percussed and in the obhquedirection indicated. Sharply stroking the lateral abdominal surfacewith the nail or handle of the percussion hammer will frequently befound the best mode of eliciting this reflex. In this manner upper,middle, and lower abdominal reflexes can be produced. Percussion overthe upper and lower portions of the rectus abdominus muscle causes amovement of the umbilicus in the corresponding direction. In the loicer extremities we find that a series of taps along the origin. 36 NERVOUS AND MENTAL DISEASES. of the great gluteal muscle, when the patient is erect or prone, are followedby contractions in corresponding segments of that muscle, and a tap nearthe anterior superior spinous process starts the tensor facioe latoe knee-jerk, or patellar reflex, being easily examined and frequently modi-fied by disease, is one of the most important of the muscle reflexes. Itis ehcited generally by having the patient cross one knee over the otherwhile sitting. The under hmb, with the knee at a right angle, shouldsupport the upper, which gently rests over it with all muscles relaxed. Asmart, quick blow with an object of some ounces weight, as with the backof a thin book, the ulnar border of the hand, or, best of all, with a properpercussion hammer, upon the patellar ligament or just above the patella,is followed by a contraction of the anterior thigh muscles, causing thesuspended foot to move forward an inch or two. A percussio
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
