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Bicycle Racing News and Opinion,
Friday, May 1, 2020

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2019 Tour de France | 2019 Giro d'Italia

When you mix politics and science, you get politics. – John M. Barry

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Richie Porte determined to be ready for postponed Tour de France

Eurosport posted this:

Richie Porte is focused on maintaining his fitness ahead of the rescheduled Tour de France but has admitted competing in any race this year would be a “massive bonus”.

The start of this year’s Tour has been postponed until August 29 due to the coronavirus pandemic and may have to go ahead with reduced spectator numbers in order to comply with guidelines put in place by the French sports ministry.

Porte, who has hinted that the 2020 race could be his last as a yellow jersey contender, has been training at home in Monaco during the lockdown and said that having a provisional Grand Depart date to work towards had acted as a strong motivational tool.

"Once we had a date – I think I probably speak for everyone here – when you got up and had to do the daily Zwift, and all of that, it just became a real light at the end of the tunnel, Porte told Cycling News.

Trek–Segafredo rider Porte, who won the 2020 Tour Down Under in Australia in January, is hopeful that lockdown restrictions in Monaco will ease from May 4.

Richie Porte

Richie Porte enjoys his 2020 Tour Down Under victory. Sirotti photo

However, with the principality surrounded by France that does not mean he will be able to start cycling outdoors. And he admitted that his home victory in Adelaide felt like it was a different year.

"At the moment, there's a hell of a lot of 'what ifs' to get over. I think it's good news that at the moment the Tour is pencilled in.

"It's a special year, you know; no one could have predicted that this could have happened or would have happened," Porte said.

You can read the entire story here.

Maintaining muscle mass and strength during the Coronavirus lockdown

Team INEOS posted this:

Due to the spread of coronavirus, millions of people around the world are finding ways to adapt their lives and fitness routines, with many confined to their homes. In the first of a new series, we spoke to Lead Performance Nutritionist at Team INEOS, Javier Gonzalez, to get his thoughts on maintaining muscle mass and strength, both for our riders and our fans.

Hi there Javier. To kick off our series we’re focusing on the topic of maintaining muscle mass and strength. To begin with, how have we approached this issue as a team?

When you think of cyclists, muscle mass isn’t necessarily the first thing that springs to mind. But for our riders, maintaining muscle mass in their legs is important, and depending on the type of rider, it’s more important for some than others. Whilst muscle mass in the legs is important for all riders, as this is how they produce their power, muscle mass is even more important for sprinters who produce very high absolute power outputs (in watts), whereas for climbers, slightly less muscle mass and less overall body weight is optimal to achieve a high power to weight ratio which they can sustain over a long time (watts per kilogram body weight).

Maintaining muscle mass is important. Some of that is done through their normal cycling training, but as a team we also have conditioning around that, largely to help with injury prevention. Muscles aren’t just there for a rider’s out and out performance, they also play an important role in preventing over-use injuries. You need to strengthen certain areas. With our riders it varies in terms of their home gym setups. Some of them do have the capacity to train very well at home, others less so. So it’s a case of providing them with some resources to enable them to do the best they can. We hold video calls, either with a coach or a physio, talking them through the process.

Just because people might not have access to big heavy weights, doesn’t mean they can’t get that same benefit. Could you tell us more?

Most people think that the only way to maintain muscle strength and muscle mass is to lift heavy weights. In actual fact there is some evidence now that you don’t need to do that. The main stimulus for your muscles is how hard they’re being worked. You can achieve that by lifting a heavy weight for say, eight repetitions. But you can achieve a very similar stimulus by doing 30 reps of a lighter weight. The key point is that you’re working towards something known in the industry as momentary muscle failure. It’s the point at which, for example if you’re doing press-ups, you can’t do a single extra rep. You go to that point of fatigue, and from the muscle’s perspective it switches on all the processes to stimulate preserving muscle mass. If you don’t have weights, body weight exercises like press-ups, sit ups, burpees and pull-ups are good for this.

How important is protein intake in all of this?

The principals on how we gain muscle mass are that we have two main stimuli for our muscles to grow. One of those is physical activity (muscle contraction), and the other is protein intake. If you eat a meal containing protein and you haven’t done any exercise, that will in itself maintain a bit of muscle building. It will also suppress the breakdown of muscle a bit too. If you do a bout of exercise without taking any protein, that also stimulates muscle growth, but it actually helps stimulate some muscle breakdown too. So when we combine the two we get the best of both worlds and we get this synergistic response. You get the biggest effects on muscle growth and you also get a suppression of the breakdown of muscle. What you actually find is that, if you’ve done a bout of exercise before you eat a meal containing protein, your response to the protein in that meal is greater. So in other words, by doing some exercise you’ve sensitised your muscle, so that when you have some protein later in the day, more of that meal is directed to muscle growth. A way to think about it is – ‘you are what you eat’. So, for example, if you were to have a protein-based recovery drink after exercise, such as SiS REGO or Whey Protein, which contains ~22g of protein, over the next 4-5 hours, about 2g of that protein will end up as new muscle. So you are what you eat for that next five hours or so. But if you exercise before that, you become more of what you just ate.

So once consumed, what is the protein actually doing to help?

It’s the protein in a meal which stimulates this response from our muscles. Proteins are made up of things called amino acids – and you can think of these as the building blocks of the protein. We get various types of amino acids. Some of them our body can actually produce itself and some of them it can’t. For the ones it can’t produce we need to get them from our diet. They are known as essential amino acids. To stimulate the best muscle building response you need a good compliment of all of these. We know there are a few ones that are key for initially stimulating the muscle response. You can think of these protein components as signalling molecules, so when we eat a meal, the amino acids appear in our bloodstream and the muscle sees them, that signals our muscle to switch on muscle growth. But it can’t sustain that response unless it’s got other amino acids to act as the building blocks for that. An analogy to help with this is: you’ve got a builder building a wall – amino acids are telling that builder to put bricks on the wall. But he needs more bricks to actually continue that process to a meaningful extent. So they serve two purposes. When we exercise we need less of those signals to get the same response.

Is it true that we should be spreading out our protein intake across the day?

In terms of the amount of protein that maximally stimulates this muscle-building response, in a single meal it’s typically about 20-25g of protein. But that’s specific to animal-based protein, so milk, eggs or meats for example. That’s the dose that we know stimulates that response. That’s not to say that plant-based proteins can’t achieve that response. It just means that you need a higher dose to achieve the same response. If you’re vegetarian one of the things you should do is try to mix your sources of protein, to try to ensure you’re getting the full complement of the amino acids. The other thing you should do is try to aim for a higher total protein intake, compared to if you were someone who ate meat, milk or so on. The other thing related to that is, because we can only stimulate that maximal response with ~20g over a four-hour period – eating more protein than that won’t result in a greater response. In order to get the most benefit from muscle building over a day, it’s best to spread the protein intake out. What we sometimes find is that, certainly in most western countries, people might have a relatively low-protein breakfast – for example toast and tea or orange juice. That means they’ve initially missed out on this opportunity to stimulate a bit of muscle building. Then in their evening meal they might have a big steak, which could be 50g of protein and a lot of that is essentially wasted – it’s not being used for muscle growth. Whereas for the same total protein dose across a day, if you spread it out so you’re getting a little more at breakfast, and perhaps a little bit less at dinner, you can get more muscle growth from the same total protein intake.

We’re always advising our riders on meal plans, but they are really good in the sense that they understand the importance of protein, especially in recovery from exercise. We’ve provided them with a lot of Science in Sport products, so for instance taking the Whey Protein after exercise helps them achieve that goal.

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