Jacki Sorensen's aerobic dancing is packaged in a no-nonsense format, featuring her and two helpers performing in tight unison a wide range of well-choreographed dance number routines. Program ranks among the best instructional items currently being marketed in that in addition to its exercise value it offers detailed, easy-to-follow rehearsals of each individual dance step prior to every short workout. With music ranging from MOR standards to uptempo hits, Sorensen takes the viewer through nostalgic dances such as the cha-cha, hustle, polka, pony and monkey, as well as an undulating shoulders, backward move she calls "Tom Jones" as she shouts ou each dance command jus prior to execution. Between each routine, a visual display is inserted to allow the viewers to check their working heart rates, matched against a personalized chart (by age) of the safe permissible range.