The effect of botulinum toxin type A injection into the gastrocnemius muscle on sit-to-stand transfer in children with spastic diplegic cerebral palsy.

Objective: To investigate the benefit of botulinum toxin type A injection into the ankle plantarflexor muscle on sit-to-stand transfer in children with spastic diplegic cerebral palsy.

Design: Case-control study.

Setting: Inpatients in a university-affiliated hospital.