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Specialized HIIT Training

HIIT workouts tailored for specific activities, sports, and special populations.

Cyclist on an indoor trainer in a garage at a hard sustained effort with a floor fan angled at them

Norwegian 4x4 Interval Timer: How To Set Up The 4:00/3:00 Protocol

Published on September 03, 2026

The Norwegian 4x4 is four minutes hard and three minutes easy, four times. Here is how to set it up on an interval timer so you never lose count mid-block.

Runner at speed on a gym treadmill seen from the side, belt and shoes blurred with motion, empty machines behind

Treadmill Interval Workout Timer: Run Your Blocks, Not The Console's

Published on September 02, 2026

Run treadmill intervals off your own timer instead of the console programs: how to set up your speed and incline blocks, and when you should change them.

Powerlifter performing HIIT conditioning workout with kettlebell while maintaining muscular physique, with dramatic lighting highlighting muscular development

HIIT for Powerlifters: Building Power and Conditioning Without Sacrifice

Published on July 05, 2023

Discover how powerlifters can strategically implement high-intensity interval training to enhance conditioning, recovery, and performance without compromising strength gains.