DO HARD THINGS

The Combat Fitness Blog

Heart Rate Control Under Stress: Override the Kill Switch

Combat Fitness

Published on: 05/02/2026

Heart rate control under stress is a trainable skill. Learn the combat performance zones, tactical breathing, and conditioning that keep you sharp under fire.

Military Fitness

Concurrent Training for Firefighters: Strength & Endurance

Combat Fitness

Published on: 26/01/2026

Concurrent training for firefighters builds strength and endurance together so you can carry, climb, and rescue without gassing out. Train for the fireground.

Military Fitness