(Half Moon Pose)
Arhda means half. Chanddra is the moon. The pose resembles the half moon, hence the name.
From Light on Yoga by B.K.S. Iyengar
This postures is beneficial for those whose legs are damaged or infected. It tones the lower region of the spine and the nerves connected with the leg muscles and it strengthens the knees. Along with the other standing postures, this asana cures gastric troubles.
Stand in Tadasana and then do Utthita Trikonasana.
After attainting Trikonasana on the right side, exhale and place the right palm about a foot away from the right foot by bending the right knee and at the same time bringing the left foot near the right one.
Wait in this position and take two breaths. Then exhale and raise the left leg from the floor, toes pointing up. Stretch the right hand and the right leg.
Place the left palm over the left hip and stretch up, keeping the shoulders well up. Turn the chest to the left and balance.
The weight of the body is borne on the right foot and hip. The right hand is only a support to control the balance.
Hold the pose from 20-30 seconds, breathing deeply and evenly. Then slide the left leg to the floor and go back to Trikonasana.
Repeat the pose on the left side.