The more a motor pattern is undertaken, the more well trodden the pathway becomes.
The less a pathway is used the more it becomes overgrown.
You will have developed both helpful and unhelpful habits which have both laid down pathways. Maybe the unhelpful habits are remnants of a once useful habit.
Take for example an injured ankle, this will invoke a limp. Long after the injury has healed the limp may remain with the resultant tightening at the waist and the extra load on the other leg. Long after the initial injury has healed the compensatory patterns may cause other issues, the passage of time will hide the original cause.
People sense the pain but not the movement pattern causing it.
Further Reading:
thinkingmoving 
