Developmental Disabilities

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Bi-Manual Lines - Effective Bilateral Vision Movement

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Bi-Manual Lines


Purpose:   To develop effective, bilateral, visually steered direction of movement.


Apparatus: Chalkboard, 2 pieces of chalk, and various patterns on chalkboard, for example two vertical columns of number or face of clock numbers like those on a clock


1                                 5

2                                 4

                                3             X                 3

                                        4                                2
                                        5                                1




1.     Child is to hold a piece of chalk in each hand and is to move his hands at the same time to connect the numbers with the central bull’s-eye.

2.     Chalk should be held across the fingers and the proper UP and DOWN hand positions should be used.

3.     Use all possible directions, and combinations of directions, of hand movements from the outside position, but in the following sequence:

a.     Horizontal movements only, both hands moving inward and outward, or both to the right and left.

b.     Combined horizontal and vertical movements of arms, one hand moving up and down, the other right to left.

c.      Various combinations of diagonal arm movements.


Aspects to be Emphasized:


1.     Coordinated bilateral movement so that both hands reach their goals simultaneously.

2.     At first the child may look to place his chalk on the numbers, but as skill increases he should continue to look at he bull’s-eye and place hands correctly with his side vision.

3.     Maintain awareness of arm movement, body poster, and arm and hand position.

Ask Dr. Susan