Inflammation (irritation and swelling with presence of extra immune cells) of the plantar fascia can cause heel pain and make walking difficult. Some risk factors for development of this problem include foot arch problems (both flat foot and high arches), obesity, sudden weight gain, running and a tight Achilles tendon.
Update Date 3/1/2012
Updated by: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.