…Yes, your feet.
…First, if you have arthritis in the joint of your big toe, this could be throwing off your follow-through.
…Heel pain can also screw you up. Typically this comes from an inflammation of the band of tissue that extends from your heel to the ball of your foot. It can be like a knife jab! With this thing jabbing, it can make it difficult to maintain a solid stance. See also: http://healthsass.blogspot.com/search?q=magic+exercise.
…Neuromas are the third possible problem. These are nerves that become thickened, enlarged or painful from being compressed or irritated. If you have a neuroma in the ball of your foot, it can get ya when you shift from one foot to the other.
…Ankle arthritis or instability can affect weight shift. Achilles tendonitis in the past—same.
…Ill-fitting golf shoes. No way—fix that problem!
…Ask your doctor. Treatments for all these are usually simple like shoe inserts, stretching exercises, new shoes, medications, physical therapy, or steroid injections. You probably are not looking at surgery.
…Although a bad golf swing may be normal and unfixable, foot pain is not.