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A modified Krukenberg operation was used in 25 patients to reconstruct their limb function. We modified the operation as follows: (1) only pronator teres and supinator are preserved as motor muscles, (2) the flexor carpi ulnaris is included in the ulnar ray flap and the brachioradialis in the radial ray flap, and (3) the length of the forearm trunk is kept 12 to 15 cm. Having undergone strict postoperative training, 22 of 25 patients got excellent or good results.
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Gu et al. (1996) studied this question.
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