Fitness: Isometric Exercise, Body Weight Challenge and Strength WorkoutThursday, January 05, 2017
“Isometrix: A strong foundation is essential for overall fitness, so Isometrix combines isometric contraction with instability to make your core rock solid. Isometric contractions occur when the muscle neither shortens nor lengthens and the joint angle does not change, building static strength.”
I have been recovering from a leg phlebotomy (battle scars of motherhood) and just received a go-ahead from my surgeon. This 15-minute workout was easy enough - well, except the jumping squats.