Uploaded December 2025 | Updated September 2026, 23 minutes ago
Most CrossFitters assume a 20 minute AMRAP like Cindy is pure aerobic pain.
But the data says otherwise.
In this clip, Gommaar from WOD Science breaks down VO2 max testing during Cindy and explains why even with a high heart rate, most athletes are only working at about 60 to 65 percent of their VO2 max.
Translation:
There is way more rest happening than you think, especially for non elites.
If you want to train smarter and actually understand what your conditioning workouts are doing, this is a must-watch.
👉 Watch the full episode on YouTube: youtu.be/FIbQvR7Rrj4
👉 Learn more about how we approach training at brutetraining.com
Subscribe for more real conversations on training, performance, and the science behind CrossFit.
Most CrossFitters assume a 20 minute AMRAP like Cindy is pure aerobic pain.
But the data says otherwise.
In this clip, Gommaar from WOD Science breaks down VO2 max testing during Cindy and explains why even with a high heart rate, most athletes are only working at about 60 to 65 percent of their VO2 max.
Translation:
There is way more rest happening than you think, especially for non elites.
If you want to train smarter and actually understand what your conditioning workouts are doing, this is a must-watch.
👉 Watch the full episode on YouTube: youtu.be/FIbQvR7Rrj4
👉 Learn more about how we approach training at brutetraining.com
Subscribe for more real conversations on training, performance, and the science behind CrossFit.










