The 3-2-1 workout combines aerobic, weight training, and core workouts into one effective regimen.
This time-efficient workout boosts calorie burn, muscular strength, and core stability.
"You’ll be combining 3 strength exercises, 2 cardio exercises, and 1 core movement with 3-2-1 workout programming," Schlottman says.
This gives you structure and simplicity to include many sorts of activities into a well-rounded fitness regimen."
He adds that strength training is necessary to build muscle. Combined with aerobics, it boosts fat-burning.
After strength and aerobic workouts, core exercises tone the midsection and give a break.