Strength and cardio hybrid exercises put the “active” in active rest

Heather Doherty demonstrates step 4 of the Incline Pushup Climber sequence for Matt Parrott's Master Class. (Arkansas Democrat-Gazette/Celia Storey 10/25/23)

Some of my all-time favorite exercises are not necessarily considered pure "strength" movements, but they also couldn't be classified as "cardio." This cool class of exercises features components of both categories, so they maximize workout efficiency.