A treatise on orthopedic surgery . enfrom the front through the bones.(Gerrish.) is a habit, a habit that is often the result of improper the other hand, the habitual assumption of the passive atti-tude may be induced by injury or disease of the foot, or by corns-or bunions, or by improper shoes. Tor under such conditions-the strain of the leverage function increases the discomfort; con-sequently it is discontinued. It must not be inferred that such,improper attitudes lead directly to weakness and discomfort,,for in most instances an ungraceful carriage and gait are the-only ill ef
A treatise on orthopedic surgery . enfrom the front through the bones.(Gerrish.) is a habit, a habit that is often the result of improper the other hand, the habitual assumption of the passive atti-tude may be induced by injury or disease of the foot, or by corns-or bunions, or by improper shoes. Tor under such conditions-the strain of the leverage function increases the discomfort; con-sequently it is discontinued. It must not be inferred that such,improper attitudes lead directly to weakness and discomfort,,for in most instances an ungraceful carriage and gait are the-only ill effects. The improper attitudes must, however, lessen 708 OETEOPEDIC SUPiGEBY. the power and resistance of the foot, and they must be reckoned,therefore, among the important predisposing causes of dis-ability. The passive attitude, it will be remembered, is the attitudeof abduction or rest, in which the ligaments bear the greaterpart of the strain and in which the arches of the foot are de-pressed or obliterated. Fig. 464. Fig. An attitude that simulates the flat-foot. (See Fig. 466.) Fig. 465 compared with Fig. 464illustrates the voluntary protectionof the foot from overstrain. THE WEAK FOOT. Synon3ans.^—Splaj-foot, flat-foot. The introductory pages of this chapter lead naturally to theconsideration of the most important of the acquired disabilitiesof the foot/ a disability whose characteristic in the mildest and ^ In 1909, 1713 new^ cases of weak foot were registered in the outpatientdepartment of the Hospital for Euptured and Crippled in a total of 7296new patients, 23 per cent. DISABILITIES AND DEFORMITIES OF THE FOOT. 709
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