A treatise on orthopedic surgery . ed byinjury; in others no cause can be assigned. Most often thereappears to be a laxity of the capsular ligament that permits adisplacement during certain movements of the arm. The dis-placement is readily reduced, but the weakness and insecuritymay cause discomfort and disability. Treatment.—In some instances the displacement may be pre-vented by the pressure of a pad and truss spring, attached behindto the corset or braces and passing over the shoulder close to the ^ Deutsch. mecl. Wochenschrift, June 23, 1904. 238 OETHOPEDIC SUBGEBT. neck. Such an applianc
A treatise on orthopedic surgery . ed byinjury; in others no cause can be assigned. Most often thereappears to be a laxity of the capsular ligament that permits adisplacement during certain movements of the arm. The dis-placement is readily reduced, but the weakness and insecuritymay cause discomfort and disability. Treatment.—In some instances the displacement may be pre-vented by the pressure of a pad and truss spring, attached behindto the corset or braces and passing over the shoulder close to the ^ Deutsch. mecl. Wochenschrift, June 23, 1904. 238 OETHOPEDIC SUBGEBT. neck. Such an appliance is especially useful if the displacementoccurs at certain times only, as in dressing the hair, playing onthe violin, etc. Cures are reported as the result of the injectionof alcohol into the joint from time to time, and Wolffs has oper-ated with success as follows: The joint is opened by a straightincision. A fragment of bone is detached from the clavicleabove and a similar one from the sternum; these, still adherent Fig. Hypertropliy of the right forearm and hand, due to congenital nfevus. to the periosteum, are overlapped in front of the joint and thecapsule is then sutured. As a rule the affection is not of par-ticular importance. ASYMMETRICAL DEVELOPMENT. In normal individuals there is often a slight difference be-tween the two halves of the body, and, as is well known, in-equality in the length of the legs is not at all- uncommon.^Centralbl. f. Chir., November 30, 1893. BEFOEMITIES OF THE SPINE. 239 Inequality of the two halves of the body may be congenital, andit may be evident at birth, but usually it does not attract atten-tion until adolescence. In many instances this inequality is aslight atrophy, the result of a cerebral hemiplegia of earlychildhood. In other instances the inequality may be due to con-genital hypertrophy that may affect the entire limb. In suchcases the enlargement may be due to an abnormal amount ofnormal tissue, but in most instances the
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