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Figure 1: Injection of Botulinum Toxin A is performed under ultrasound guidance. The needle tip is advanced until it reaches the transversus abdominis muscle (TA), while pulling the needle slowly back, depots of Botulinum Toxin A are administered in all three muscle layers of the lateral abdominal wall: external oblique muscle (EO), internal oblique muscle (IO), and transversus abdominis muscle (TA)

Figure 1: Injection of Botulinum Toxin A is performed under ultrasound guidance. The needle tip is advanced until it reaches the transversus abdominis muscle (TA), while pulling the needle slowly back, depots of Botulinum Toxin A are administered in all three muscle layers of the lateral abdominal wall: external oblique muscle (EO), internal oblique muscle (IO), and transversus abdominis muscle (TA)