The sacral plexus is formed anterior to the piriformis muscle .
The sacral plexus is gives rise to the sciatic nerve , the superior and inferior gluteal nerves , and the pudendal and posterior femoral cutaneous nerves .
The sacral plexus is formed anterior to the piriformis muscle and gives rise to the sciatic nerve , the superior and inferior gluteal nerves , and the pudendal and posterior femoral cutaneous nerves .