Hi Judith! Great post–and congratulations on completing cardiac rehab! Navigating the world after a serious illness or injury is a whole new experience–but one that can teach us plenty.
It’s good that your trainer has you using dumbells, because as it turns out, the mere act of trying not to bop yourself in the head activates neurons and muscle fibers in a different way (than, say, using machines where there’s no such danger!)