Weight shift in prone on elbows with head rotation1
No unilateral reaching in prone on elbows1
May have prone on extended arms- without full elbow extension1
Forearms in neutral1
Increasing weight on ulnar side1
Scratching surface-visual, tactile, auditory input1
Presses hands against surface1
Head held midline 90 degrees; no unilateral reaching in prone on elbows
Weight shift in prone on elbows with head rotation; briefly pursues lost target out of visual field