It sounds like you know the areas you need to start addressing.
You can take a crack at the needed areas yourself.
First place to start is the spine.
The spine is the carriage or chasse for the primary engines of the shoulder and hip.
Disorganized at the pelvis =hip function is decreased.
Changing the position is the way to improve the function.
There are several episodes if you do a search on the episodes page. Here are a few starters
Squat Quick Test: Is it your Ankles or Hips?
Case Study: Tight Ankles = Bad Squatting
Episode 54: Pinchy Ankles and Weak Feet
Pro Episode # 44: The Last 25% of Your Ankle Restriction (Snatches and Pistols here we come!)
Ankle Positional Fault Fix: Jill Miller Style
Episode 313: Improving Ankle Range, Super Friend Addition
Pro Episode # 52 – Pro user Request Friday: Couch Stretch Feel Weird? It’s a Diagnostic Tool too.
Episode 235: Recover Your Anterior With the Super Couch
Episode 206: The Couch Series