Describe which motions and muscles in the right elbow, forearm

 Using approximately 250 words, describe which motions and muscles in the right elbow, forearm, wrist, and hand are responsible for turning a doorknob clockwise and pushing open a door.  What if the motion was reversed and you had to turn the knob counter-clockwise and pull open the door?  Include at least two scholarly references (using APA formatting and style) to guide your answers. 

only tworeferences 

one of them use > Manual of Structural Kinesiology R. T. Floyd EdD, ATC, CSCS Director of Athletic Training and Sports Medicine Professor of Physical Education and Athletic Training Chair, Department of Physical Education and Athletic Training  The University of West Alabama (formerly Livingston University) Livingston, Alabama  NINETEENTH EDITION 

http://www.pthomegroup.com/sites/default/files/my%20liberary/Manual%20of%20Structural%20Kinesiology.pdf