1. During strenuous exercise, the ability of thermoregulation plays an important role in maintaining internal environment stability and electrolyte balance due to the acceleration of metabolic rate and the increase of body temperature. Black players can adapt to normal body temperature faster than other races.
2. Black people have short trunks and long limbs. Some surveys show that black people's lower limbs, especially their calves, are longer than those of other races. The higher center of gravity reduces the stability angle of black chess players, which is beneficial to fast and flexible movement.
3. Slender legs are also convenient to obtain greater linear velocity at the extremity. It is worth noting that the achilles tendon of black people is very long, and the strength of plantar flexor is the highest among all races, which makes them gain greater reaction when they start to push the ground and gain an advantage when they start.
4. Black hips are upturned, which increases the length of hip and leg muscles and produces greater contraction force. Muscle with increased length can also increase the action time of contraction force on legs. With this feature, black players have gained excellent sprint ability and bouncing ability.
Extended data:
Matters needing attention
1. In the world marathon, black athletes have become recognized as a powerful force, which not only benefits from their unique racial and physiological advantages, but also benefits from hard training.
2. There are many white muscles in our bodies, which are characterized by strong explosive force and fast speed; African black players have more red muscles and are characterized by good endurance ... There are many differences, so blacks in different regions are good at different events.