Motor-learning approaches such as - constraint-induced movement therapy (CIMT) offer an array of sensorimotor experiences in a playful yet repetitive and intense fashion.~A stable shoulder girdle is the co-contraction of muscles around the scapula and shoulder joint.~Depending on the activity, vertical surfaces will have kids moving their arms frequently; reaching up, down, out and around. This supports extension of the arm and an opportunity to strengthen those muscles.~Vertical surfaces facilitate wrist extension. When the wrist is extended, the ring and pinky finger tend to naturally find their way into the palm creating a more optimal grasp pattern. A child is going to be able to execute more precise and legible work when using a functional tripod or quadrupod grasp.
Working on a vertical surface is one of the best activities children can do to make themselves more successful in many areas as an infant which builds all those foundational skills required for the all-important task of handwriting.