"...Stádhagaldr is an active system of magic that consists of the assumption of runic postures or gestures for magical effect... Gestures and postures form some part of almost every metaphysical or magical school. The can be seen from the simple folding of hands in prayer to the extremely complex system of asanas in the Indian hatha yoga school. Stádhagaldr is balanced in this respect. The number and intricacy of the postures are varied enough to be expressive of the wide variety of forces present, but none require extensive training or straining of the body.
"The overall aims of the stádhagaldr are:
1. control of the body through posture (stadha)
2. Control of thought through song (galdr)
3. Control of breath
4. Control of emotion
5. Becoming aware of the rune realms of the self and the world(s)
6. Control and direction of the will.
"...Stadhagaldr is used as a mode of psychological integration and personal transmutation, and it is also employed in all other types of magical operations."
http://www.sunnyway.com/runes/stadha.html