Fig. 4From: Needle‑based gastrocnemius lengthening: a novel ultrasound‑guided noninvasive technique: part II—clinical resultsa and b Testing the range of motion of the ankle, before and after surgery. The statistical analysis was performed using SPSS 28.0 for Windows, and statistical significance was set at α < 0.05 based on a 2-tailed test.Back to article page