You've got a packed schedule, but you still want to fit in a strength training workout; it seems like an impossible problem, but you don't need to spend hours in the gym to hit your goals with this 30-minute session to build muscle all over.
The routine comes from NASM-certified personal trainer Sydney Cummings Houdyshell, and is a great way to develop strength with only minimal equipment. And, importantly, Houdyshell guides you through the entire routine.
