One word: Refocus!
While using any simple planner can help you succeed whether yearly or weekly, a quarterly planner gives you a good routine of refocusing. Imagine New Years Eve and how you feel that day, you are ready to take on the world this year with your goals and new habits. However, only 13% of peoples New Years Resolutions last more then 3 months! That is why you need to reset every 3 months! If you have a yearly planner you make the same mistake as 87% of Americans that don't make it past 3 months. But with a quarterly planner, you are different! You make it to the 13% because you give yourself a new year every 3 months!
With a quarterly planner, every 3 months you are forced to start over and look through your previous goals, resetting, updating, and changing them to align with your updated vision. Go through a quick 5 year plan, increase or decrease your workout goals based on your achievements so far, and update your goals for the year based on new ideas or challenges in your life. With a constant changing world, you are no longer able to plan 12 months ahead and be perfectly right, new opportunities and options surround us every day, so make sure to adjust to always maximize success!