Pushing, the use of upper extremities to press against something with steady force in order to thrust in forward, downward or outward; pulling, using upper extremities to exert force in order to draw, drag, haul or tug objects in sustained motion; lifting, to raise objects from a lower to a higher position, moving objects horizontally from position to position; fingering, to pick, pinch, or otherwise work, with the fingers rather than with the whole hand or arm as in handling; grasping, apply pressure to an object with fingers and palm; feeling, perceiving attributes of object such as size, shape, temperature and texture by touching the skin, particularly with finger tips. Stooping, bending downward and forward by bending the spine at the waist; kneeling bending a the knees to come to rest on single or both knees; crouching bending the body downward and forward by bending legs and spine; crawling, moving about on hands, knees and feet; reaching, extending hands and arms in any direction.