This is a variation of the original 'Legs-Up-the-Wall' pose. It is a calming pose helps relieving tiredness and tensions on the legs, neck and back. Bringing soothing effect to your mind.
Sliding your legs apart into a wide "V", a Yin way to stretch your inner thighs and groins. Wide-legged pose also helps to detox kidneys.
End this practice by bending your knees and hugging your knees towards your chest, then rock yourself from side to side. Lastly rock yourself to either side and rise yourself up.