Lateral raises, rotator raises, overhead presses, and pushups.

Rachel grins. "Definitely. And next time, we'll make sure to incorporate some retro video references."

Isolate the biceps brachii, brachialis, and brachioradialis. Music Track: Centuries

: An alternate track was available for Track 3: "What A Feeling" by Alex Gaudino feat. Kelly Rowland.

Utilizes explosive 1/3 tempos (fast down, slow up) to recruit fast-twitch muscle fibers.

For official PDF notes and video masterclasses, instructors should verify their credentials on the Les Mills website.

Crunches, leg extensions, and hovers (planks).

Features relentless blocks of 1/1 smooth repetitions to drive blood into the muscle tissue (hypertrophy response). High-volume sets with minimal recovery phases mid-track.