Yes working up/down stream of where you see an issue can help resolve the issue.
Where you see the issue may not be where it originates.
The restricted ankle rom through things off up stream at the hip.
Improved positioning upstream with the ankle in an improved position.

What is your sitting position like?
Episode 88: Desk Athlete Hip Rescue
Episode 15: You Must Defeat The Evil Chair Part 1
Episode 15: You Must Defeat The Evil Chair Part 2
Episode 276: MobilityWod Google Talk: Desk Bound

Getting up and moving around throughout the day can help. 5:00 breaks throughout the day.
Can you transition to a standing desk?

Are you seeing improvements in the limited IR?