The position of hand during application of POP cast for fracture scaphoid has been clasically described as

In Scaphoid fracture, the cast is applied to maintain dorsi-flexion of the wrist area. This is called the Glass holding position/Tumbler holding position. In Colle&;s fracture, POP is applied to keep it in palmar flexion and ulnar detion. This is called Shake hand position. ref : maheswari 9th ed