Fig. 1
From: Analgesic effect of iliopsoas plane block for hip fracture
Iliopsoas plane block (a) and lateral femoral cutaneous nerve block (b). Sa indicates the sartorius muscle, RF indicates the rectus femoris muscle, IP indicates the iliopsoas muscles, HoF indicates the head of the femur, white asterisk indicates the iliofemoral ligament, TFL indicates the tensor facia latae muscle, white # indicates the lateral femoral cutaneous nerve, and white arrow indicates the needle trajectory of nerve block