The Ready State Virtual Mobility Coach is like having a virtual Kelly Starrett in your pocket.
Hi there. When I’m doing Olympic lifts and go from narrow foot stance (start of the lift) to wide stance (middle, end of lift), my left foot is in pretty solid position, per Kelly’s instructions here: http://www.mobilitywod.com/2013/07/pro-episode-30-foot-weighting-jumping/
Could be ankle, knee, or hip
Your body is looking for slack within the system to compensate for whatever is tight/have a restriction?