Must the wheel be round? Do round wheels always run the fastest? A few years ago, when we are still the "Round wheel is the ultimate design" For the truth, an inventor named david patrick broke the routine, invented a strange-looking "Shark wheel. And it has been proven that on the ground with friction, "Shark wheel" Than the traditional round wheel rolling faster.

In summer, we need to do a good job of sun protection, but also need to pay attention to timely hydration, so we mostly choose a relatively convenient cup or cold water cup.

There are many headphones that focus on sports, but most are in-ear or on-ear designs, and there are very few over-ear sports headphones available. In the eyes of under armour, this became a market that could be explored.

There are many friends around who are keen on riding, they usually go to brush the road as soon as they are energetic, weekend about the team to turn the mountain, from morning to night, night riding are equipped with very professional front lights, but not much attention to the tail light, in fact, the tail light is also very important it. Safe Riding, You Are Still Short Of This

As modern women become more and more concerned about their body shape and health, the fitness industry is developing at a rapid pace and various sports and fitness gadgets are emerging to make the boring process of working out a little fun. The emergence and application of foam spindles in particular has given women more options for fitness while injecting fresh feelings.

Fitness for health, but many fitness novice partners in fitness, often due to the lack of fitness knowledge, did not do the necessary preparation work and lead to physical injury, such as running a broken foot, the first time running a one-time run too long to cause knee pain and other phenomena. Experienced fitness people tell us that fitness is not only to have the correct posture, but also to prepare some of the necessary external fitness supplies. There is not a saying that "Fitness go, equipment first" It, hahaha.

As the largest muscle group in the arm, the triceps determines the circumference of the arm. The triceps and biceps are like brothers and together they make up our upper arm, while the small arm makes up the lower arm.

Resistance bands, also known as elastic bands, are used for strength training exercises. Although resistance bands come in different shapes (some with grips) and lengths, they are essentially giant rubber bands that you pull to strengthen certain muscle groups.

The earliest medicine balls were probably used by ancient persian athletes to increase strength and endurance. These early ones used at least 3000 years ago were usually sand-filled animal bladders. You will find references in later texts to the use of medicine balls advocated by hippocrates, the father of medicine, about 2500 years ago. He recommended the use of round animal skins, which could also be filled with sand, as a way of training athletes or helping them recover from injuries.

I have been playing soccer for more than 6 years, in my opinion, our country's amateur soccer field, because of the poor quality of the turf, in addition to tf (broken nail) spikes, wearing other spikes are like "On stilts". It is easy to slip, not to mention that, like soccer, such a fierce confrontation, fast walking and stopping sports, the choice of improper spikes, is irreversible damage to the knee.