T Jeff Backus said his biceps rehab is progressing well, and that he is participating in Detroit’s offseason program. Backus said he’s on schedule to be ready to participate fully in training camp. “Coming off surgery, it’s about working myself in (to football shape),” he told DetroitLions.com. “I feel great right now. "There haven’t been any setbacks or limitations; (Backus’ rehab program) is just about getting stronger."