If you’re having trouble walking the walk, you may want to attend this month’s Lunch and Learn session. Dealing with common foot and ankle problems will be addressed Sept. 28 from noon to 1 p.m.Guest speaker will be Dr. Justin Brown, a podiatrist at Central Tennessee Foot and Ankle Center, which has an office at River Park Hospital.“I will be discussing a short list of the services I provide at the office,” said Brown. “I will talk a little more in depth about plantar fasciitis.”Plantar fasciitis is inflammation of the thick tissue on the bottom of the foot.