To effectively execute a standing broad jump, follow these steps in reverse order for a complete understanding:
The correct sequence based on the steps provided is: (C), (A), (E), (D), (B).
Rearrange the following parts to form a meaningful and grammatically correct sentence: 
P. a healthy diet and regular exercise 
Q. are important habits 
R. that help maintain good physical and mental health 
S. especially in today's busy world