Restoration of elbow flexion in paralytic disorders is a most important problem. Three cases of poliomyelitis and seven cases of brachial plexus injury in which muscle transplantations had been performed to restore elbow flexion have been reviewed. The average follow-up period was five and a half years. The results were graded by active range of motion, muscle power and Mayer & Green's criteria. The results of seven cases of Steindler's operation are excellent and good except for one case. The

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... ean of flexion contracture is thirty degrees and active flexion is one hundred twenty-five degrees. The results of two cases of Clark's operation are excellent and good. The result of one case of sternocleidomastoid transplantation is poor.