Having both hands up means raised both hands. There are so many applicable uses.

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  Having both hands up to reach any overhead object requires some care, possibly while tiptoeing.
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  Raised both hands while unarmed may signal surrendering.
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  Suspension bondage may sometimes have bound person's both hands upward, possibly on tiptoes or even off the floor or ground.
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  A volleyball may be blocked with both hands up during the play.
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  Weight training with raised both hands requires caution to avoid injury.
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  Both hands raised in worship may occur.
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  Urdhva Vrikshasana is a yoga asana meaning Upward Tree Position.
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  Utkatasana is a yoga asana meaning Chair Pose, sometimes but not always with both hands up.
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  The hands up punishment might occur somewhere.

Hands up punishment

The hands up punishment is a form of punishment given in some places, possibly in the military or at schools. In this punishment, one is made to raise his or her hands above the head—a stress position—and remain in this state for a period of time.^[1]Template:Unreliable source? The recipient of the punishment may be forbidden to join their hands above their head. The hands up position becomes very painful after so many minutes. Excessively imposing this punishment may cause health hazard and become counterproductive.