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THE BREAKING STRENGTH OF HEALING FRACTURES.

LINDSAY, MERRILL K.; HOWES, EDWARD L.
The Journal of Bone & Joint Surgery: July 1931
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1. A quantitative method is described and a basic curve developed, indicating the breaking strength of regenerating bone.

2. Strength first manifests itself by the sixth day and then increases rapidly to the twenty-first day. It was observed that the callus grew steadily larger during this time.

3. There is a period of decline in strength after the twenty-first day, during and following which time the callus decreases in size.

4. There is a secondary rise in strength from the thirty-third to the forty-fifth day.

5. A strength is attained on the twenty-first day which is comparable to that on the thirty-ninth, but a period of weakness exists between the two.

6. There is a direct-correlation between the results of this study and previously observed histological facts and clinical data.

(C) 1931 All Rights Reserved.The Journal of Bone and Joint Surgery, Inc.

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