For those just learning to lift, the fewer the number of exercises, the better. “Two or three [per workout] on the low end,” says Eric Sung, C.S.C.S., a private trainer in New York.

“It just very gently gets you fit,” she previously told Hello! magazine. “It is 12 minutes [long] and they have charts you ...

Fitness experts recommend completing between three to eight exercises per workout session, depending on your athletic ...