yoga mudras typically involve placing the hands and fingers in some positions as described.Types of yoga mudras.

1. yoga mudra
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

2. There are many different yoga mudras and each
of them have a different benefit. Below is the
explaination to each.
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

3. In this mudra the thumb and forefinger form a ring and
the three remaining fingers are curled into the palms of
the hands
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

4. Holding the thumb and forefinger
together lightly and having three
remaining fingers extended is
Chin Mudra.
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

5. Fold your ring finger and press the second
phalanx with the base of your thumb. Keep the
rest of the fingers straight.
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

6. Touch the tip of your ring
finger with the tip of your
thumb. Pressing the tips
of these two fingers,
keep the rest of the
fingers extended out.
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

7. Varun Mudra
This is the best yogic mudra for
your outer beauty. It has a positive
effect on your skin and keeps it
away off all problems.
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips

8. To know more about yoga mudras
http://www.artofliving.org/in-en/yoga/health-and-wellness/mudras-yoga-at-fingertips