“A gem cannot be polished without friction, nor a man perfected without trials.”
Today you will improve your cardiovascular endurance as well as your muscular endurance with a focus on isometric holds. Remember to breathe while holding positions. Focus on expanding your diaphragm as you inhale. Breathe through your stomach, not your chest and shoulders.
Run 15 minutes at a moderate pace
Beginner Version: Run 5minutes in warm-up; perform 4-6 main sets
Advanced Version: Run 25 minutes in warm-up; perform 8+ main sets