Alan Couzens Profile picture
Mar 12 6 tweets 1 min read
Expanding on yesterday's tweet:

How to *not* get injured

A quick thread... 👇
1/ Don't ramp volume too aggressively

A (in)famous run coach once said:

"Be patient, not *a* patient"

Following the "10%/wk" rule of thumb is a sure-fire road to injury. I prescribe no more than ~10% per *month* increase in volume for the athletes I work with.
2/ Under-eating(!)

In serious runners, the *number one* factor most linked to frequent injuries, in my experience, is under-eating relative to the training load.

If you're doing high volume training in a persistent calorie/protein deficit, injury is just a matter of time.
3/ High training stress during high life stress

In terms of timing, I've learned that I can set my clock by when I start to see an athlete reporting higher than usual life stress & an injury lying just around the corner.

I've learned to back *way* off (~50%) during these times.
4/ Not paying attention to small niggles

Particularly as athletes get older, frequent "body maintenance" at the first sign of injury becomes all the more important:

* Massage/roll/mobilize any "hot spots".
* Don't continue runs to the point that they get "hotter".
5/ *Too much* interval training under fatigue/before a base is established

A prime injury set up is a tired, tight athlete trying to move fast

So start by building a base of:
* Fitness/fast recovery between reps/sessions
* Mobility over required ROMs
* Coordination when fresh

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More from @Alan_Couzens

Mar 5
It's becoming apparent that my thinking on low volume training is different to most.

If my life was super busy and I only had 5 hrs a week to exercise, what would I do?

A quick thread 👇
a) I would walk a lot throughout the day
b) I would do daily yoga
c) I would do short, regular strength work.
d) If I couldn't challenge my metabolism with movement, I would challenge it with nutrition.

Why would I take this approach...
Because if my life is so busy that I can barely squeeze in an hour a day, the best thing that I can do for myself physically is to mitigate some of the stress coming from the rest of my life....
Read 5 tweets
Feb 19
It seems that this technology topic is pretty polarizing! So, let's keep at it! 😊

I do get it. There is some useless crap out there.

So what *doesn't* fall under the category of useless crap? What "technology" do I recommend? And why?

A brief thread 👇
1/

What: A reliable Heart Rate Monitor

Why: When it comes to exercise prescription, internal load matters! I want to know how much internal stress the athlete is under for a given external load. Heart rate provides an easy window into that.
2/

What: A proven #HRV tool (e.g. ithlete, HRV4Training) + my quality heart rate strap

Why: Training load only makes up a small % of the overall stress for most athletes. HRV provides an otherwise invisible window to the *global* stress on the athlete's nervous system.
Read 6 tweets
Feb 12
Spectacular look into #WhatItTakes to achieve world beating levels of fitness.

Hint: It's all about that #AerobicBase
1/ "Purify" your aerobic season.

If you're going to focus on building your aerobic metabolism, focus on building your aerobic metabolism.

Don't give your body mixed messages!
2/ Find joy in the process!

99% of your athletic life is training and it's likely the epic training experiences that you'll remember most.

You have limited control over whether you win or lose a given event, but you have complete control over crafting those experiences.
Read 7 tweets
Feb 11
So, now that we're all agreed on just how important having an #AerobicBase of strong #FatBurning is...

Just how do we go about building one?

A brief thread... 👇
Above you'll see data from 10 recent metabolic tests for athletes that I also have training data for.

They range from
- recreational athletes <-> elite
- super strong #FatBurners of 11kcal/min <-> athletes with very poor max fat oxidation rates of 2kcal/min..
You can see their average training intensity for the 12 mo before the test plotted against their test results. The first takeaway is obvious..

Athletes with a strong ability to use fat as a substrate spend more of their time training at a very low intensity than those who don't!
Read 8 tweets
Feb 9
So why do we build the metabolic base first?

aka

Why *don't* we do intervals in the winter?

- a brief thread 👇 Image
Above you'll see one of me early metabolic tests from ~16 years ago.

The black is my fat burning, the gray is my CHO burn.

As you can see, in my threshold zone, fat burning dropped to zero and every minute at 280-300W cost me ~20kcal worth of CHO stores, i.e 1200kcal/hr!
Below is another test from an elite Ironman guy.

Even though his threshold is higher than mine, he was still burning ~7kcal/min of fat in his threshold zone, i.e. even though riding *harder*, it was only costing him 13kcal/min (780 kcal/hr) from his CHO stores! Image
Read 5 tweets
Feb 3
A follow up to yesterday's tweet on how we can use nose-breathing to identify the right intensity...

Where most athletes get it wrong...

A brief #physiology thread
As we continue to increase the intensity of exercise after moving from nose breathing to quiet mouth breathing, eventually we encounter a second breakpoint in ventilation - the transition from quiet mouth breathing to loud mouth breathing...
At this point, metabolic acidosis is starting to increase and the body's response to it is to "blow off" the increasing carbonic acid in the form of additional CO2...
Read 7 tweets

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