Which of the Following Does NOT Help Maintain Good Circulation

Multiple Choice

Which of the following does NOT help maintain good circulation?

A) Make sure there is at least 7 inches of clearance between your calf and the front of your chair.
B) Keep your thighs parallel to the ground to allow for good blood flow.
C) Use a foot rest to raise your feet and reduce the pressure on the backs of your thighs.
D) all of the above