Astanga Hrudaya
पृष्ठवंशं ह्युभयतो यौ सन्धी कटीपार्श्वयोः। जघनस्य बहिर्भागे मर्मणी तौ कुकुन्दरौ॥१९॥
On either side of the spinal column, at the junction of the pelvis and flanks on both sides, on the outer portion of the hip/butt, are two kukundara marmas;
english translation