Let's talk about marathoners first. In other words, marathon runners (in other words, long-distance runners over 5000 meters) must get rid of their rest weight. There is a method that every time the rest weight of 1kg is adjusted, the marathon test score will be adjusted for 3 minutes. This basic theory comes from the correlation between static weight and kinetic energy utilization. If you lose weight, you will definitely consume fewer calories. Theoretically, you can run faster and longer with the same kinetic energy.
A better way to put it: If you subtract the net weight you don't need for jogging, of course your exam results will improve! Therefore, marathon runners are generally thin, but their shoulders, arms and muscles in key parts of the body are actually very strong-efficient lower arms and long-term stability of core muscle groups can greatly improve the rationality of jogging and run faster and longer.
Moreover, even thin people have enough body fat stored in their bodies to support the necessary kinetic energy for a marathon. Therefore, the top marathon gods will try their best to manage their rest.
In addition, from the perspective of body structure, people with long legs are more suitable for long-distance running. The leg length here depends on two index values, the ratio of leg length to body length and the ratio of leg length to leg length. When selecting seedlings, track and field coaches usually look at an area at first sight-the height-width ratio of navel. The higher the navel, the higher the center of gravity and the longer the legs, the more innate the advantage of long-distance running.
Theoretically, the most suitable "marathon runner" is 168- 172, with a static weight of 55-60 kg and a high proportion of legs and calves-the "long-distance running emperor" Gialf Silazier and the marathon world record Daniels Kimoto are in perfect harmony.
From the technical point of view of swimmers, swimming is much more "scientific" than Malasson, and it is difficult to simply express it as "the higher the person, the faster he swims". First of all, let's take a look at Phelps, whose route is shorter, and goats, a well-deserved swimming pool:
193 flying fish, this leg seems a little short-it is stipulated that the human body is parallel (not S-shaped shaking) during the whole driving process, and the farther the fork (leg) is, the better. Kicking rules are fast and small, and slender legs have no advantage in water.
If both track and field sports and swimming are absolute speed competitions, the Oriental people in track and field sports field can't compete with the blacks, but in the water, East Renye Fang with relatively short legs and flat body is not so bad. In addition, Lao Hei is not good at swimming, and China, Japan and South Korea can usually compete for gold and silver in the swimming pool.
However, it is hard to say that swimmers must all have "short legs"-height 1 m 98, and Wu Dajing, who has a longer distance, has a very uniform figure.
Compared with Phelps, it is really slender. Long legs have advantages in swimming consideration and turning around when kicking the wall. Long-distance swimming has a lot of round-trip frequency, which will obviously become larger.
Compared with Wu Dajing, who is nearly two meters long, Park Tae hwan, an old enemy, is "only" one meter 83, so he is a little man in the swimming pool.
Compared with marathon runners, swimmers have to get rid of much more friction and resistance in the water, and the provisions on energy far exceed those of marathon runners. Therefore, long-distance swimmers usually have a very strong body shape, especially strong shoulders. Coupled with a nearly perfect fat ratio, swimmers are basically strong but not greasy, and they have the ultimate inverted triangle, which is the biggest attraction.
In that case, the difference between marathon runners and long-distance runners is of course very big: an idealized marathon runner does not need to be too tall, with a height of 170, a resting weight of 55-60 kg, long legs, especially long calves, big feet, thin but powerful shoulders, strong core muscles (the wireframe is not necessarily obvious) and a high navel (the center of gravity of the human body is high);
The ideal long-distance swimmer should be above 1.9 meters in height, with short feet, especially calves, big feet, strong and open shoulders, strong core muscles and shocking arm span;
Marathon runners and long-distance runners are similar in essence except for the difference in appearance design: their body fat percentage is very low, their lung function is very high (generally above 7000Ml), and blood night has few lactic acid bacteria components and strong solubility.
Is there anyone who can run and swim at the same time? Others look even and tasty. That should be a triathlete. ...