1. What sort of deformity is caused by tibialis anterior hyperactivity?
2. What sort of patients is tibialis anterior hyperactivity seen in?
3. How is tibialis anterior hyperactivity treated?
Answers:
1. Equinovarus deformity, with Achilles shortening.
2. CP, CVA, TBI.
3. SPLATT: Split Anterior Tibial Tendon Transfer. Half of tendon is attached to site of origin while distal end of lateral half is tunneled into the 3rd cuneiform and cuboid bones, creating an eversion force. Procedure often done with Achilles lengthening.
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