Tuesday, August 31, 2021
Evidence Uncovers Options; Personal Preference Leads to Choices
Monday, August 30, 2021
Another Nietzsche Quote
Sunday, August 29, 2021
Djokovic Has a Chance to Make History Twice
Saturday, August 28, 2021
Practice Mindset
Friday, August 27, 2021
Your Fitness is Governed by the Laws of the Rosebush
Thursday, August 26, 2021
A Model Is Just a Model
Wednesday, August 25, 2021
Never Sacrifice Development
Tuesday, August 24, 2021
Move the 3-Point Line Way Back in the NBA
Monday, August 23, 2021
Strong is Strong (An Ode to Bodyweight Exercises and Dumbbells)
One of the most frequent questions I get is if one can get strong using bodyweight exercises or dumbbells. This is usually asked with a great level of concern (and in some cases, panic) when I program something for folks as strength work that isn't a barbell (I love barbell work, by the way).
I think there's a pretty common reason for the disconnect about strength development using different tools. And it's usually that folks who do bodyweight/dumbbell exercises usually do them for high reps. And there's nothing wrong with that. But if you're going beyond 5-6 reps for a set, you're not really getting stronger (yes, I'm aware of the studies that show you can get stronger across various rep ranges and I've seen it happen, but not all rep ranges are created equal when it comes to strength development). More often than not, you're improving your stamina when doing higher-rep work with bodyweight exercises or dumbbells. Guess what, you're also improving your stamina when you do higher-rep work with barbells.
So the disconnect occurs because in this situation, it's not an apples-to-apples comparison. Find that version of a bodyweight/dumbbell movement that can only be done for 3-6 reps and you'll get stronger (yes, singles and doubles work, too, but I think they're less effective for most folks and can explain why in a later entry). The body doesn't care whether you're holding onto a barbell or dumbbell, or whether you're just using your own bodyweight. If you're doing low-rep work, you'll get stronger.
Sunday, August 22, 2021
Thoughts on Running
Saturday, August 21, 2021
Words to Live By
"The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently."
-- Friedrich Nietzsche
"Thinking is difficult. That's why most people judge."
-- Carl Jung
The only point I'd make is that adults are just as corruptible as youth with respect to alike-vs.-different thinking. Beyond that, though, I don't have much to add regarding these quotes.
I have to reread these quotes constantly so that I don't fall prey to either shortcoming. It can be a harder road to travel (avoiding echo chambers and not falling into judgment) and takes a lot of continual practice, but it's so worth it. I'm not perfect, though. It still happens (especially the judgment one) and I need to acknowledge it when it happens, cut it off right then and there, and learn from it.
Friday, August 20, 2021
Compound Interest and Dollar Cost Averaging
If you've ever done any investing on your own, you're probably familiar with compound interest (CI) and dollar cost averaging (DCA). The two of them in combination can lead to remarkable gains over the long term for the small, retail investor (most of us out there). Without access to the large amounts of capital and information that institutional investors have, DCA is a great way to stay invested in assets through up markets and down markets.
What's interesting about CI and DCA is that the properties that make them so powerful can be applied to fitness with equally impressive results over the long term (just as with many other endeavors--gardening, education, etc.). Yes, with fitness, CI and DCA are figurative. But the principles are the same. Too many people think that you need really remarkable programming and workouts to achieve high levels of fitness. But you'll surprise yourself with what you can achieve with pretty average workouts over the long term. The combination of gains on gains (compound interest) coupled with consistent, regularly scheduled workouts (dollar cost averaging) is the secret sauce.
A like-clockwork physical practice with a long-term approach (think decades) is better than fits and starts with a smattering of workouts that are often too hard to recover from and stay consistent with. Don't get me wrong, if you have a short-term goal you need to hit, CI and DCA will probably not be sufficient. But if you're like me, and plan to use the gym to enhance your health for the rest of your life, what's the rush?
Thursday, August 19, 2021
Forecasting is Tricky. And Usually Wrong.
This is another entry that covers tennis, but it's not really about tennis. It's about our fallibility as forecasters when confronted with data sets that are limited.
Only close fans of the sport of tennis will be familiar with the name Gael Monfils. He had one of the greatest junior careers of any player in the history of the sport. In 2004, he had won the first three junior grand slam tournaments of the year and was attempting to join Stefan Edberg as the only junior male to ever win the junior grand slam in a calendar year. He ended up losing in the US Open, the final grand slam of the year. Even so, he put together one of best seasons in the history of junior tennis.
Surely he'd go on to be one of the greatest professional tennis players of all time as well, right?
Many analysts thought the answer to that questions was an undoubted yes. Turns out that such forecasts are shaky at best. It's usually only in hindsight that answers to such questions become obvious.
Gael went on to become one of the most dynamic players on tour, finishing in the top 50 in just his first year on tour (after starting in the high 200s). To this day, he is still one of the best shotmakers on tour and regularly finishes in the top 20 each year. He plays with a ton of creativity and panache. You never know what you're gonna get from him and he's a delight to watch for that very reason. But he never climbed to the heights analysts predicted. The highest ranking he ever achieved was #6 in the world, and that was just for a few months. His best grand slam result was a semifinal, and that has happened only twice in his 17-year career (still ongoing). To be sure, he's a better player than most people will ever be. But he was never able to achieve on the senior tour what he did on the junior tour. So what gives?
I'll offer up two explanations. One is more obvious and often applies to youth sports across the board. One is less obvious and is pretty tennis-specific.
The Obvious
The obvious reason has to do with junior sports in general. Often times, the best junior players are ones who are more physically mature and/or develop a skill set far in advance of their junior peers. In some cases, those early gains persist into the professional setting, but more often than not, the juniors that were behind the early ascender catch up and the gap in performance disappears. There are notable exceptions, of course. LeBron James comes to mind immediately as the exception to this rule. At 14, he was way more physically mature and way more skilled than any of his high school peers. His peers didn't catch up, though. Even his NBA peers didn't catch up. But for every LeBron James, there are a ton of Robert Swifts out there who never achieve success at the next level.
While Gael is no Robert Swift (he made it on the tour and has had a tremendously successful career), he appears to be one who matured quicker than his junior peers and took advantage of that skill gap, but the gap that was huge in the junior setting disappeared once he got on tour.
The Less Obvious
This is where data analysis becomes tricky. In cases like this, it's not what's in the data set (his track record in juniors tennis), it's what's not in the data set. Let me give you the names of Gael's professional peers: Djokovic, Nadal, and Federer (known nowadays as the Big Three). Let me also give you the age when each of those players turned professional: Djokovic (16), Nadal (15!), and Federer (16). You see, these three took a different route. They turned professional early, toiled in relative obscurity for a few years (Roger didn't win his first major until he was 21, even though he went on to win the most majors of all time--until Djokovic passes him), and learned a ton by getting beaten by men way older and more battle-hardened. The same thing happened in the previous generation with Pete Sampras (17) and Andre Agassi (16).
So while Gael was cleaning up in the juniors, these other three guys were getting an education in the school of hard knocks on the professional tour. Nobody can fault anyone for predicting great things for Gael and completely ignoring the Big Three. Nobody knew who they were at that time.
Forecasting is tricky business. If another great junior player comes along (and I mean great like winning multiple junior grand slams in a single year), I think it's safe to say that they'll have a great shot at earning a living playing the game they (hopefully) love. Gael has done quite nicely in that respect, earning almost $20 million dollars in prize money (and that doesn't even count endorsement deals, which often outstrip prize money by an order of magnitude).
But the more important take-away is more general: scrutinize the data you have, but beware of the data you don't have.
Wednesday, August 18, 2021
Djokovic is the GOAT
One of my passions is the game of tennis. I'll write about it on this blog. Tennis has waned in popularity in the US since the '80s, and has become, in my opinion, a niche sport (more on this at some point in the future), so this type of subject matter won't be interesting to many. I started playing when I was 10 years old, played in college, got burned out on the sport for a bit (as a player), and resumed playing the game competitively again in 2013. I love the game, and even when I wasn't playing it, I followed it closely, and still do to this day.
That's a long-winded introduction. The point is to establish my bona fides as a fan and analyst of the game. Onto the matter at hand....
Novak Djokovic recently tied Roger Federer and Rafael Nadal with 20 grand slam wins. I can now definitively say that he is the greatest of the three, and really the GOAT, even if he never wins another one, which I'm sure he will, and which will make the case I'm laying out irrelevant. There are three criteria I use for ranking players on the all-time list: total number of grand slam wins, depth of grand slam wins, and head-to-head record (where applicable, which is very applicable here because Djokovic, Federer, and Nadal have played each other a ton).
Let's dive into each one.
Total Number
Each has 20 grand slam wins. So they're all tied here. 1 point for each. This will change with the next major Djokovic wins.
Depth of Grand Slams
I'm not only concerned with the number of grand slam victories, but with the depth of the victories. Each of the 4 majors is played on a different surface with different playing characteristics. The Australian Open and US Open are played on hard courts, but each is slightly different (traditionally The Australian Open has been a slower court than the US Open, but that's changed in recent years). The French Open is played on clay. Wimbledon is played on grass. To win all four of these tournaments takes a tremendous amount of variety and skill in one's game. Those who do really well on grass are gonna have a much harder time on clay and vice-versa. That's why winning all four over the course of one's career is so hard. Most never do. Even some of the greatest have never done it.
In this criterion, Djokovic is the clear winner. Although Federer and Nadal have won all four, Nadal has won the Australian Open only once; and Federer has won the French Open only once. Djokovic has won each of the majors at least twice. This may seem like a trivial point, but great players can put together a once-in-a-lifetime run and come out on top for a single major. To do it more than once, though, that means something. 1 point for Djokovic.
Head-to-Head Record
Djokovic is the clear winner here. He has a winning record against both (Federer has a losing record against both and Nadal has a winning record against Federer, obviously). 1 point for Djokovic.
So the final scored is Djokovic 3, Federer 1, and Nadal 1. Soon this will be 3-0-0.
As a side note, I don't think weeks at #1, Masters Series tournament wins (the most important tournaments other than majors), total wins, win percentage, or any other metrics matter in a discussion of greatest of all time. It's all about the majors and head-to-head (when comparing players from the same era--it's a different story when comparing players from different eras).
Tuesday, August 17, 2021
Frequency, Intensity, and Volume
I'm gonna take a break from writing about fallacies related to complex systems, and touch on a topic everyone should be thinking about when it comes to programming (for yourself or others) for fitness, strength and conditioning, or whatever you want to call it.
Every program contains three factors that need to be taken into account: frequency, intensity, and volume.
Frequency refers to how often you're training. The most common way to do this is to look at how many training sessions you have in a week.
Intensity refers to the effort involved to do the work, and often relates to the impact on your nervous system and your ability to recover. In the strength world, this is often thought of as a percentage of one's one-rep max (1RM). Rate of perceived effort (RPE) can also be used. In the CrossFit world, work/time is most often used, especially when it comes conditioning pieces. In the endurance world, heart rate can be used, and in other situations like tempo work, you'll work off of a percentage of your best effort (e.g., repeat 400m efforts at 85% of your mile time) There are other ways to assign intensity, too, but the ones mentioned above are the most common.
Volume refers to the total amount of work done in a training session. This is most commonly done by counting either total reps or in some cases (primarily barbell strength work), total tonnage (sets x reps x pounds). Most often you're only concerned with the working sets when figuring out volume or tonnage.
Each program will have a mix of these three factors (there are many other variables that come into play like exercise selection and training goal(s), just to name a couple, but those will be a topic for another day).
Each of the factors can be grouped into general buckets for ease of reference: high, medium, or low.
There are no rules written in stone regarding these three factors. Different people will respond better to different mixes. That's just how it goes. Much of it comes down to personal preferences, in my opinion. Some people like a certain mix, and because they're consistent with that mix, they do better. It's a self-fulfilling prophecy. There is not one right answer for everyone, just the right answer for you (and it may change over time).
The one thing I can say with a fair amount of certainty is that at some point, unless you're young and have all your lifestyle factors dialed in, or you've been training for years, are at an elite level, and have built up to it, you will crash and burn on a high frequency, high intensity, high volume program. If you're lucky (and don't fall into either of the two categories above), you can use this approach for a very short duration (maybe a month) to bust through a plateau or reach a short-term training goal, but you better cycle off this approach or you'll end up regressing (and that's the best outcome).
For me personally, I've tried all kinds of mixes. Recently I've gone back to a high frequency, medium intensity, low volume program where I train the whole body every session. I'll share the exact program in another entry. I've written enough on this topic for now.
Wednesday, August 4, 2021
The Greatest Human Fallacy
Monday, August 2, 2021
Why?
I've created this blog to organize my thoughts. The topics will be all over the place but some common themes or principles will emerge. If someone happens to read any of these entries, even better. If there are folks who read these entries, I hope that at least some of them will disagree with things I write and let me know about it.
I try and avoid echo chambers as much as I can (online and offline), although it's difficult in today's day and age, to be sure. Don't mistake a desire to avoid echo chambers as a desire to stand apart from others, though. I want to belong and be a part of conversations. Humans need to interact with one another. It's one of the keys to our being human. We're social animals.
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