. General surgical pathology and therapeutics, in fifty lectures : a textbook for students and physicians. e weight of the body, the limbs assume positions whichgradually become permanent ( Volkmann), and in young personshave a decided influence on the forms of the articular surfaces. Allthese conditions may be most naturally explained on mechanical prin-ciples, while formerly the most complicated theories were based onvery slight grounds, when any explanation was attempted. TV. LIMITATIONS OF MOTION IN JOINTS CAUSED BY SHORTENING OFFASCLE AND LIGAMENTS. Any long-continued fixed position of a
. General surgical pathology and therapeutics, in fifty lectures : a textbook for students and physicians. e weight of the body, the limbs assume positions whichgradually become permanent ( Volkmann), and in young personshave a decided influence on the forms of the articular surfaces. Allthese conditions may be most naturally explained on mechanical prin-ciples, while formerly the most complicated theories were based onvery slight grounds, when any explanation was attempted. TV. LIMITATIONS OF MOTION IN JOINTS CAUSED BY SHORTENING OFFASCLE AND LIGAMENTS. Any long-continued fixed position of a joint, even if not due tothe above-described diseases of muscles and nerves, may lead to short-ening of the fasciee. A man who kept his left leg and thighflexed for a year and a half, on account of suppuration of the inguinalglands, was brought to our clinic after the bubo had healed, becausehe could not extend the leg. This is particularly true of the fascialata, which from a few months of quiet may become so rigid that it issometimes impossible to extend it again. After coxitis has run its Fig. Contraction of the fascia lata from coxitis, after Froriep. course, when the joint has become perfectly healthy, this contractionof the fascia may prove a permanent obstruction to complete exten-sion, so that such patients may occasionally limp for life; which isanother important reason for paying special attention to the positionof the limbs in inflammation of the joints. CLUB-FOOT, ETC. 533 V. DEFORMITIES CAUSED BY CICATRICES. We have already spoken frequently of the contraction of cica-trices ; it results from the inflammatory new formation, in the woundgradually giving off water, as the original gelatinous formation bydegrees atrophies to dry connective tissue, and contracts like any bodythat is drying up. The larger the surface of the cicatrix, the stronger Fig. 110. Fig. 111.
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