I'm just now learning about this, and it kind of makes sense to me. The basic concept is that you should only do weight training once a week because it takes that long for muscles to recover. That workout should be very intense and includes 5 basic exercises. This struck a chord with me because all of my exercise-related injuries have come from repetition.
But I do like to run a 5K a couple of times per week, and I like to do yoga and/or pilates once or twice per week. Can I follow this plan while adding these other workouts, or would that prevent my muscles from recovering?