Eight models of Horizon Fitness and Livestrong Fitness elliptical trainers are being recalled by Johnson Health Tech North American and the U.S. Consumer Product Safety Commission (CPSC). The recall is for a foot pedal that can become disengaged, posing a fall hazard, and affects about 18,000 machines. Model numbers and serial numbers can be found at the website of the CPSC, www.cpsc.gov.