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Abstract
The aim of this prospective, randomised, controlled trail was to compare two methods of rehabilitating extensor tendon repairs in zones V–VII. Patients who incurred simple and complete lacerations of their extensor tendons in zones V–VII enrolled into the study and underwent either static splinting (n = 25) or dynamic splinting (n = 27) after primary acute repair of tendons. Extension lag, flexion deficit, total active motion (TAM), grip strength, and functional status of upper extremities were measured. TAM was improved in the dynamic group when compared with the static group in the injured digits at 4 weeks (p = 0.001), at 12 weeks (p = 0.05), and at 6 months (p = 0.001). Grip strength outcomes demonstrated improved grip force for the dynamic group when compared with the static group at 12 weeks (p = 0.001). There were no ruptures in either group. Also, a better functional level was found in the dynamic splinting group at 6 months (p = 0.001). The findings of the current study suggest that dynamic splinting of complex lacerations of the extensor tendons in zones V–VII provides improved functional outcomes at 4 and 12 weeks and 6 months when compared with static splinting.