This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
The kinetic energy of the body is least in one of the following phases of the walking cycle - 
Select and explain. 
A. Heel strike, B. Mid-stance, C. Double support, D. Toe-off
B: Mid-stance
Answer: B: Mid-stance 
Explanation: None