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KMID : 0896719970010010038
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Journal of the Korean Society of Foot Surgery
1997 Volume.1 No. 1 p.38 ~ p.42
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The strain of the spring ligament complex at different arthrodesis of the hindfood treatment of the flatfoot
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Lee Kyung-Tai
Bae Joon-Woo
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Abstract
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It was well known that arthrodesis of the tarsal joint is an exellent procedure to correct the flatfoot deformity for relieving pain. Recently, concept. of the selective tarsal joint fusion instead of the triple fusion was developedto preserve the joint motion. To investigate and compare the effect af the each different, tarsal fusion, we measured the strain at the spring ligament., medial roof of the medial longitudianl arch. Five fresh frozen cadevar foat specimens, with distal half ol the tibia were utilized. The superomedial portion of the spring ligament complex was dissected from the origin to the insertion. For each specimen, a calibrated open liquid metal strain guage was secured along the length of the superomedial portion. Under the specially devised test rig, measurement of the strain was taken at each test condition from the tare weight 18.2 lb followed by 38.2 lb., 82.2 lb and a maximum loads of 134.6 lb.: 1) unfused condition, 2) isolated subtalar fusion 3) isolated talonavicular fusion 4) combined subtalar and talonavicular fusian 5) triple fusion. Statistics showed that siginificant reduction in strain following the triple fusion. and from the subtalar fusion to triple fusion
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KEYWORD
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Spring ligament, Arthrodesis, Treatment of flatfoot
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