Not only are we all pressed for time, but we really want to be efficient in our workouts. That means more movement, more muscle groups involved in less time. Better results. Cardiovascular combined with strength. So, I've provided you with an exercise that will train delts (shoulders), biceps, core, quads and glutes (lower body) - and even recruit the stabilizers in the inner and outer thighs.
There will be many multifunctional exercises to come, because this is the way my clients train with me and it is what delivers results. So start trying them out, and including them in your circuit training.