Research
Elizabeth Kelly
Garuḍapakṣa: The hands which are in Tripataka Hasta facing downwards are extended obliquely and the elbows are slightly bent.
Garudapaksha: When the palms of avidhdhahastas are faced downwards and the hands are spread like hansapatsha slantingly garuda paksha.
If the two Tripatakas are obliquely extended to the two sides with the two bent elbows joined together, it is Garudapaksa hasta
Latāviddha-hastas held downward should be understood as garuḍapakṣa.
When the elbows of patāka or tripatāka hands are slightly bent and they are placed on the hips obliquely, [one] facing up and [the other] down, it is known as garudapaksa.