PezCycling News - What's Cool In Pro Cycling : Toolbox: What Does Every Masters Athlete Have in Common?

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Toolbox: What Does Every Masters Athlete Have in Common?
The number of Masters athletes has dramatically increased over the past two decades in many sports. And right up there in popularity are the cyclists, both racers and recreational riders. As far as I know, there are few longitudinal studies that measure physiological systems with a focus on performance of athletes as they age, but what are some ways for masters cyclists to get older and faster at the same time?.

According to USA Cycling’s website, 53% of members are age 35-54 and only 19% are ages 19-34. Looking at cycling versus running clubs is always a good indicator. There are definitely not as many older runners, probably because running can be so destructive on the body over time, so a lot of older athletes (ex-runners) are finding the bike to be the key to continued activity and enjoyment.

Most studies on athletes are done with younger, fitter athletes. There are now more studies being done on masters level athletes. But few follow them through their lifetimes, using what is called a “longitudinal” study design. Not surprising, given the logistics and patience involved in conducting a study over 10 or more years! One longitudinal study over many decades does exist on aging, using Harvard alumni as a cohort, but focuses on health issues.

So, we are left to hear first hand from our Masters athletes as to what actually declines with age in terms of their performance. The key is that by understanding these changes, it can allow us to adapt training programs to achieve maximal success. First the good news. In the studies where fitness and health issues have been controlled (i.e. comparing fit and healthy elderly to fit and healthy younger adults), many of the physiological changes and performance decrements, though present, become relatively small. Exercise IS medicine!

As a coach, I am continuously amazed at how well masters athletes can perform, especially versus younger athletes. Unfortunately though, there is still an inevitable decline in performance as we get older. Let’s briefly look at some of the physiological changes that we notice:

Cardiovascular Function – This is made up of declines in central and peripheral circulation, maximum heart rate, maximal stroke volume, and cardiac output. Maximal heart rate is the one we notice the most, as heart rate is something we have monitored during training since the invention and increased popularity of portable heart monitors 25 years ago.

When I ask some of my friends/athletes that I have known for years, considering the fact that they have stayed active, their maximal heart rates have all dropped anywhere in the range of 5-20 beats/minute. This change in max heart rate is not as big a factor as the actual structural changes that affect maximal stroke volume, which is much more difficult to monitor but contributes more to the decreased cardiovascular capacity. The main result overall is that your heart rate zones needing to be “recalibrated” periodically.

If this subject really interests you, seek out a cardiologist with an interest in sports performance and them about intrinsic heart rate and -adrenergic receptors as we age. There is an excellent study here that discusses this very subject.

Body Composition – Ah, the dreaded body composition shift. There is no doubt, that losing weight, especially, that last 2-3 kilos ranks right up there with many performance goals of the Masters athlete. They do go hand in hand in that losing the extra weight usually requires a consistent training program.

There are three primary reasons we gain that extra baggage. 1) Diet 2) less physical activity and 3) the body’s ability to mobilize fat. Consider this as a side note: If you consume just 10 calories per day more than you burn for 10 years, that’s additional 10 pounds! So, what can be done? One thing is for sure; it can sometimes require harder work and dedication than the physical training program itself. Seek out a good nutritionistwho has had success with athletes. Have them review your eating habits and have them be the person who holds you accountable. It’s important to understand that the weight you held in college may not be the weight that is currently optimal for you. Good advice and a good program can help determine the optimal body composition.

Respiratory Function (VO2) – There is a lot of conflicting evidence on this one, as with most anything related to physiology. But the consensus is that you lose about 10% of your maximal aerobic capacity per decade whether you are sedentary or active. Losing your maximal VO2 can be related to a decline in your cardiovascular capacity, body composition, and amount and changes in your training programs as life gets more complicated and different priorities arise, like life!

Recovery from training – Again, there really hasn’t been that much research done on the decline of recovery as we age. All you have do is listen to athletes and friends for the past 20 years. It definitely declines, in that they can often do the same hard workout or race as well as when they were younger, but that it takes them longer before they can do another hard effort. The question is why?

Remember that there are two important components regarding why we need recovery. 1) We break down muscle/tissue when we exercise, amongst other physiological systems and 2) the ability to repair or recharge those same systems. We could point to a variety of factors, including diet, amount of rest, training status, as to why it requires more time. The bottom line is that most masters level athletes say they need more time to recover between efforts, thus affecting the amount of training that can be done in their programs.

To me, the key is fitting workouts together like a puzzle. For example, perhaps one day the focus of the workout is strength type efforts, where the cardiovascular system is not overly stressed, but the essential component of strength is benefited. The next day, a focus can be more aerobic. In other words, you are working on different “systems” on different days.

One addition item. In a recent study, 75% of athlete’s polled (not sure of the amount in the study, but it was large) said they applied some type of recovery program to their training, like recovery drinks, massage, etc. I still think the biggest and most important, regardless of all the other things you try is sleep.

Thirst – The body has an amazing ability to keep “osmolality” or the fluid balance in and out of cells in balance. It’s called being thirsty. That’s how the body monitors hydration status (not weight.) The problem is that as we get older we lose our ability to detect thirst and there are a lot of variables that affect our ability to detect it. For example, how many times have you heard that a rider forgot to drink, as they were so focused on the race itself?

I don’t believe that monitoring weight before and after workouts should be the sole method of monitoring hydration status. The color of your urine should be slightly yellow (not dark yellow) and you should be visiting the bathroom every couple hours.

Heat – I can first hand attest to this one. It really seems like the older we get, the more sensitive from a perceptual point of view we are to heat. The good thing about heat is that it really doesn’t take that long to adapt, perhaps a week. Take your time doing it, stay out of extreme weather variations and make sure you continue to hydrate yourself.

Summary
First, the obvious: It’s inevitable that there will be a decrease in performance as we age and the reason for these decreases are very complicated and somewhat different for every athlete. For example, just because your teammate’s max HR has declined “X” amount, that doesn’t mean yours will by the same percentage. The question is how much decline in your overall performance will you experience, and what can you do about it to minimize the decrease?

Second, the positive: It used to be (not too long ago) that once you were over the age of 25-30, give or take, it was all downhill in terms of your ability to be a fit athlete. I remember a prominent figure in the sport saying that cyclists shouldn’t go to college, because it took away from their ability to be good bike racers.

The reality of today is that masters are getting into the sport at a later age and their ability to adapt to aerobic and anaerobic training and improve is absolutely amazing. You cannot believe how many times I hear, “I wish I started this when I was younger.” Well, if you jump ahead 10 years from now, you are younger 

So, what is in our control?

From a health perspective, there is no down side to riding a bike, except perhaps too much sun, crashing, and decreased bone density because it is not a weight bearing sport, but as long as care is taken to address these issues, the benefits certainly dominate the hazards.

By understanding and recognizing some of the changes listed above, training programs can be adapted to achieve maximal fitness. It’s important to also understand that it’s not just one thing that contributes to decreased performance, but many things that are dependent on each other. We are very complex machines!

Ride safe, ride strong
Bruce



About Bruce

Bruce Hendler is a USA Cycling Coach and owner of AthletiCamps in Northern California. For the past 9 years, he and his experienced team have helped athletes of all levels achieve their goals in the great sport of bike racing thru cycling training camps, cycling coaching and performance testing. To contact AthletiCamps, visit their website at www.athleticamps.com or follow them on Twitter.

 

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