5 Comments
User's avatar
Andrew Rattray's avatar

The Molina quote ✅

Expand full comment
Gordo Byrn's avatar

He's seen it all - learned so much from him.

Expand full comment
Jamie Cornehlsen's avatar

I really appreciated the comments on Managing Fatigue and Managing Fueling. Besides fueling too low, are there any reasons that a suppressed heart rate exists (i.e., lack of sleep, lack of water, or inadequate recovery)?

Expand full comment
Gordo Byrn's avatar

Jamie,

Recovery & Suppressed Training Heart Rates

John gives a full explanation in The Tired Athlete chapter:

https://feelthebyrn.substack.com/p/the-tired-athlete

Additional factors will be inadequate recovery and chronic soreness (muscles will be sore to the touch).

With poor sleep quality, that's can be a sign of excessive sympathetic stimulation. For example, if a stressful session is placed late in the day or too many stressful sessions are placed into the week.

Hydration can impact recovery rate but dehydration will normally elevate, rather than suppress heart rate.

++

When you encounter suppressed HR (especially with a breathless feeling at low powers/paces), I wouldn't worry too much about the exact cause. I would take action on all fronts with a multifaceted approach to get back on track.

Here's a case study from when I ran into a situation of going stale and how I dealt with it.

https://youtu.be/2mgm6wPk3VY?si=eXdL3ihLAiN9_BVg

Hope this helps,

g

Expand full comment
Jamie Cornehlsen's avatar

Thanks for the additional insights. They were fantastic and right on point! What a great service you provide through Endurance Essentials.

Expand full comment