Mahamudra

1. Sit with legs extended forward.
Legs together and straight, back straight, palms on the lap, shoulders relaxed, eyes closed, chin down.

2. Bend right leg and press groin with the heel.
Body facing left leg, right knee on the floor, palms on the floor on either side of the left leg.

3. On inhale, raise arms from the front, above the head.
Straight arms across ears, palms facing front.

4. On exhale, bend forward and place right palm over left foot and left palm over the right hand.
Back relaxed, arms relaxed.

5. On inhale, arch the back.
Retain chin down.

6. On exhale, relax the back.

7. On inhale, raise arms and come up.
Arms must lead the trunk.

8. On exhale, lower arms from the front.

9. Extend right leg forward.

Difference in leg position between janusirsasana and mahamudra
In mahamudra, the bent leg makes wider angle with straight leg, when compared to janusirsasana.