Chautauqua Physical and Occupational Therapy, located in the Riverwalk Center, 15 S. Main St., Suite 220, Jamestown, will hold a free seminar from 5:30 to 7 p.m. today. ''Finding Solutions for Knee, Ankle and Foot Pain,'' from the ''Helping You Help Yourself'' series, will be by Jacob McBride, physical therapist, and Eugenie M. Poignard, physical therapist and clinical director. Participants will be taught proper exercise to reduce pain and learn about injury prevention and non-drug treatment for lower extremity pain. Light refreshments will be served. Seating is limited and reservations are required by calling 488-2322. The date was incorrect in Tuesday's edition of The Post-Journal.