Question

Give the principle of human motion economy

Answer 1

Hello buddy..

1. The two hands should begin as well as complete their motions at the same time.


2. The two hands should not be idle at the same time except during rest periods.


3. Motions of the arms should be made in opposite and symmetrical directions and should be made simultaneously.


4. Hand and body motions should be confined to the lowest classification with which it is possible to perform the work satisfactorily.



5. Momentum should be employed to assist the worker wherever possible, and it should be reduced to a minimum if it must be overcome by muscular effort.

This were known principles
Hope it helps you buddy