Task: Answer Verification
Input (English): Question: Does botulinum toxin a decrease calf pain or improve ROM during limb lengthening : a randomized trial?
Answer: Local injection of 200 IU BtX-A at the human calf muscle does not appear to reduce calf pain or help enhance ROM of the knee and ankle during tibial lengthening. However, the small sample size provided sufficient power to detect only relatively large clinical effects; future, larger trials will be needed to determine whether smaller differences are present.
Output (English): no