[Source: The OT Toolbox]

Strength in the hand muscles is a fine motor skill that is necessary for so many tasks. Strength in the intrinsic muscles of the hands allow for a curved palm which is used for cupping the palm in order to hold items such as coins or beads.

The intrinsic muscles are needed for pencil grasp and arch development, as well as endurance in tasks like writing and coloring. This foil activity is a fun way to develop the intrinsic hand muscles and improve fine motor strength.

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