The ideal dynamic extension splint should produce a constant and consistent force through its therapeutic range at 90° to the digit and allow ease of use to aid compliance. Currently available splints work either by stretching a spring or an elastic band via a fixed outrigger pulley.
References
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ChowJ ADovelleS (1989): A comparison of Extensor Tendon Repair follwed by Early Controlled Mobilisation versus Static Immobilisation. J Hand Surg14B:18–20.
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HitchcockT FLightT R (1987): The effect of Immediate Constrained Digital Motion on the Strength of Flexor Tendon Repairs in Chickens. J Hand Surg12A:590–5.
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