Abstract
Eleven cases are reported of contracture of the triceps muscle following intramuscular injections. This occurred in one arm of each of 11 children aged from 6 to 13 years, all of whom had a definite history of repeated injections. In seven of the cases the injections were of oxytetracycline. On presentation only 30 degrees to 35 degrees of flexion was possible. Physiotherapy for 4 to 12 weeks produced improvement, but in four cases early operation for excision of fibrous tissue and lengthening of the triceps was necessary to restore adequate flexion. Four other cases required operation after late relapse. The condition is rare, and is compared with similar and more commonly reported contractures in the quadriceps and the deltoid muscles.
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