Sports that involve teams.

Football player Lionel Messi shoots from just outside the Manchester United penalty area during the 2009 UEFA Champions League Final

* Association Football (soccer)

* Australian rules football

* Ball hockey

* Basketball

* Beach handball

* Beach soccer

* Beach rugby

* Beach volleyball

* Bossaball

* Box/indoor lacrosse

* Bowling

* Basque pelota

* Broomball

* Bunnock

* Camogie

* Cubbies

* Footballtennis

* Futsal

* Gateball

* Handball

* Hornussen

* Horseshoe

* Indoor soccer

* Kickball

* Lacrosse

* Marching Band

* Mesoamerican ballgame

* Polocrosse

* Paintball

* Ringette

* Roller Hockey (Rink Hockey)

* Royal Shrovetide Football

* Sepak Takraw

* Skittles

* Slamball

* Soccer

* Speedball

* Tennis Polo

* Throwball

* Underwater football

* Wallyball

* Wheelchair basketball

* Wheelchair tennis

* Wiffle ball

* Six-man football

* Flag footballNote: There is a poll embedded within this post, please visit the site to participate in this post's poll.

* Aerobatics

* Air racingNote: There is a poll embedded within this post, please visit the site to participate in this post's poll.

Pyramid Parachute

Parasol type

Conical parachute

Pack-style parachute

Round parachutes

Square parachutes

Ram-air parachutes

Ribbon/Ring Parachute

In its basic sense, a parachute is neither made for travel and sports, it was created to increase safety while descending from a certain altitude. It is a medium to delay the pull of gravity from earth when deployed form higher altitude.

In short, it makes the dropping of an item, a person or equipment vertically or diagonally slower by reducing the amount of dragging force while maintaining a balance so that the item would remain safe until it reaches the ground. Early physicists have made use of this principle and newer develops in parachuting technology led to the creation of various types of parachutes.

Early types of parachutes

Parasol type – Though not strictly called parachutes, the parasols were commonly used by performers in China to create a slow falling effect onstage.

Conical parachute – Possibly the earliest form of parachute is the conical shaped-parachute which appeared during 1470s in Italy preceding the design conceptualized by Leonardo da Vinci. As an escape device, this type of parachute was intended to allow people to get safely on the ground from burning buildings. However, there are no written records whether this parachute was ever used for that purpose.

Pyramid Parachute – Another design by Leonardo da Vinci, this parachute was conceptualized in Milan during the early part of 1480. It was a canopy that is supported by light wood held by a square bottom frame.

Pack-style parachute – This is the predecessor of all parachutes that are stored in casings these days.

Round parachutes – A basic drag device, round parachute is used in various settings like medical missions, cargo applications and military operations. While being described commonly as round in shape, the parachute actually resembles a dome or a jellyfish. This has been among the most popular type however; present-day parachutists don’t normally use this kind of parachute.

The earliest round parachutes were circulars with flat surfaces that made them unstable, thus causing a number of deaths and injuries on parachutists. To add more stability, military round parachutes were made parabolic or conical in shape.

There are two types of round parachutes- steerable and non-steerable. Like ram-air parachutes, non-steerable parachutes can’t be maneuvered to

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There are numerous Golf terms that are used in almost every game that is played, yet often it is virtually impossible for someone who is new to Golf or just does not understand Golf to understand the terminology. Some of the most popular terms are listed below to ensure that you know exactly what is being said while you are out on the green. Of course, this list is not absolute, but this list will help you get started successfully.

Back Nine – This is the last set of 9 holes that are on the golf course. This is determined by the order that the course is played in. For example, if you start playing on hole 1, the back nine would refer to holes 10-18. However if you started playing on the 10th hole it would actually refer to holes 1-9.

Birdie – This is when a score for a particular hole comes in one stroke below par for the particular hole that is being played. This means if the hole being played is a par -3 then the score must be a 2, if the hole is a par -5 it must be a score of 4.

Bogey – This is a score that comes in a single point over the par. For example, if you are playing a par -3 hole then a score of 4 would be a bogey. In going further, anything that was a par -5 would need a score of 6 to be a bogey. This is just an example and is not restricted to only certain pars.

Bunker – This is what is created as a depression in the ground that is generally filled in with sand, which provides a greenside hazard that needs to be avoided. While the bunker typically shows up in the greenside, it is possible for them to also along the fairways or even beside the fairways.

Green – This is what the very end of a hole is call where the flagstick is located. This is typically, where you will putt out the rest of the hole. The shape can vary, however most are either oblong or oval shape.

Handicap – This is an indication of the overall playing ability that a player has. It is generally compiled based upon the last several scores that have been played as well as the course rating and the slop ratings that accompany the courses that were played. Generally, someone who has a typical average of 10 over par will have a slightly better handicap. In terms of handicaps, someone with a 2 is better than someone with a 3 or higher handicap.

Hole – This is the exact area where the flagstick resides to mark the exact location of the hole on the green. In addition it is also often referred to as the as the specific hole on a course – for example a Golf course typically has 18 holes.

* Running

* Swimming

* Rowing

* Wheelchair racing

* Wood chopping

* Cross-country skiingNote: There is a poll embedded within this post, please visit the site to participate in this post's poll.

It is the responsibility of the parents in any sport to ensure that the child knows what to expect. Gymnastics is certainly no different; the only difference is the moves performed rather than running dozens of laps or swimming for hours. Ensuring that you teach your child a few things can be a great help to their overall success in Gymnastics as well as your sanity as the parent.

You should teach your child immediately that they are going to make mistakes. It is how they handle these mistakes that will determine their success. If a child is determined, that each time they try a new routine it must be perfect without fail then they are going to ultimately harm their self-esteem. It is important to understand that mistakes are going to happen, but accepting that fact and moving along to learn from them is very important.

Additionally, it is a wise idea to help your child decide what is most important to them in their life. Set up a schedule for their activities that reflects this. Whether their goal is to become an Olympic athlete or even just use Gymnastics as a simple hobby having some specific ideas in mind about what they want to do in the future is often helpful in keeping young gymnasts focuses on the major goals that they have.

Another important lesson for your child is teaching patience with the dozens if not hundreds of repetitions that are necessary in order to truly master a skill. Many gymnasts practice a skill as many as thousands of times before the movement feels completely natural and flowing to them. This is not unheard of however; most children really do not have the patience for this and need help in learning this skill. It is important to really give your child the help they need in ensuring they practice enough. You can never do too many repetitions of a new skill.

Help your child prepare for competitions by expecting the unexpected. This means packing a complete first aid kit that can handle everything from rips to scrapes. Additionally having an extra uniform and even spare change of clothes is helpful. You should also ensure that you child has an extra pair of grips, and plenty of chalk to ensure that they are fully prepared. In addition, working with your child to practice their routine with music stopping in the middle and other stressful situations can help them relax and fully prepare for the competition.

One last step that all parents should take that is often overlooked is setting up a schedule that includes time away from Gymnastics and school.

Despite the lack of concrete parachuting statistics, misconceptions still surround both parachuting and skydiving. Many people believe that every year, there are a lot of individuals who die or get injured because of parachuting and they attribute a great number of reasons to these wrong assumptions.

There are only several reasons why parachuting accidents occur including malfunctioning equipment such as a canopy or a reserve canopy that did not open, collisions between jumpers, and difficulties during landing. Malfunctioning equipment is said to have claimed more lives than the other two major causes of accidents. However, operator error is the real culprit for most of the time.

For one, jumpers do not use just one canopy, instead they have a main canopy and second canopy which makes it almost impossible for jumpers to get injured because of malfunctioning equipment . Also, it is usually the problem of lines tangling rather than broken parachutes. On the other hand, difficulty in landing is usually contributed by factors that are often not subject to the control of the jumper.

Usually, accidents due to landing are attributed to poor estimation of how much longer jumpers have to take to perform maneuvers in the air. The third reason is largely due to jumpers deploying their parachutes so closely together.

It is easy for people to believe that novices are involved in more parachuting accidents than experts. But in reality, there are lesser chances that students will get injured or die during jumps. In fact, there are more expert jumpers who die each year in parachuting than students due to the fact that they tend to try higher altitudes which increase the risk of accidents.

According to studies, parachuting is considerably safer when compared with perceived lesser risky sports such as scuba diving or board surfing. In fact the average death due to parachuting is only 30 in every 100,000 jumps while there is a higher rate of 47 deaths in every 1000,000 scuba diving exercises every year. There is a higher rate of death in mountain climbing totaling to 50 deaths in every 100,000 and 67 lives are claimed every year because of hot air ballooning.

Interestingly history proved that parachuting accidents could be deterred even when it seems most impossible. There are so many accounts in the past, particularly in World War I and II, which proved that people jumped and met accidents while airborne and still managed to get through it with minor injuries.

The physics behind a parachute is easy to understand. But making real ones are far from easy. Making toy parachutes seem like a good idea for an easy science project but experimenting with different variations is not as easy as tying strings to a fabric. Making parachutes for use in real life takes a lot of risk and accuracy.

Before modern parachutes gave us the thrill of skydiving it took a lot of guts for early investors to design parachutes that actually work and not fall them to their death. The history of parachutes went through a lot of development and a few deaths.

The modern parachute was invented by Louis-Sébastien Lenormand in 1783. However there are earlier versions of parachutes created by a few centuries earlier. Before the silk parachute was invented, there were basic designs built that worked in the same principles.

Parachutes, past and present

The earliest form was a cloak attached to wooden struts. It was made by an Arab Muslim named Arem Firman in the 9th century. He jumped from a tower in Cordoba and suffered only minor injuries. Parasols were used in China for entertainment. It allows entertainers to jump form high places and float to the ground.

Leonardo da Vinci also sketched parachute with conical designs. It served as an escape device to enable people to jump from burning buildings. In 1617 Faust Vrancic was the first person to be able to make a successful jump with a parachute.

Jean Pierre Blanchard developed his own parachute as a means to get off a hot air balloon. His first demonstrations were done with a dog as the passenger. He later on unintentionally put his invention to the test as he escaped from his ruptured hot air balloon.

In the 1790′s he made a parachute out of silk which were more stringer and lighter than previously used materials. Early parachutes were made of linen with a wooden frame.

Andre Garnerin invented the vented parachute in 1797 and made a successful jump using Blanchard’s design. The vented parachute improved stability during descent. Gleb Kotelnikov invented he knapsack parachute. It was popularized by Katchlen Paulus and Paul Letterman.

The first major use of parachutes was in the military. It was by artillery spotters and pilots. Unfortunately the parachutes were heavy and pilots were not able to use it entirely. The German Air Service provided parachutes to their pilots. Unfortunately there were many setbacks that most of the pilots died when using them.

Leslie Irvin was able to invent

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Martial Arts is one of the contributions of Asia to the world. Who can forget Bruce Lee and the fact that he was first and foremost a martial arts athlete before being a movie star? Even until now martial arts is still a big hit with the increasing popularity of Asian movies like crouching Tiger Hidden Dragon and more recently the House of the Flying Daggers.

The Chinese are the first people that come to mind when it comes to these things but the Japanese are just as athletic with a rich heritage of body contact sports that can be found in their history. The modern Japan still gives honor to these things by holding tournaments and promoting such sports abroad,

One of these is Aikido. It is interesting to note that the word comes from three Japanese words from which one can derive the meaning of the one word. Ai means joining, Ki means spirit and Do means way. From this we can understand why Aikido is beyond just the physical skills of it students especially sin its proponent Ueshiba focused more on the spiritual and philosophical development of his students.

In Aikido, one is not taught violence instead one is taught to be in harmony with the opponent to be able to defeat. This might seem odd but it actually works. In approaching an opponent, the aim of the Aikido practitioner is to be one with the opponent to be able to attack him where he is weakest and in doing so diver or immobilize him but never to kill.

This is where Aikido becomes an art. Art is something beautiful to watch and something positive and Aikido is all that. At least one of the people involved in the fighting strives for harmony and harmony can only be achieved if there is grace in the movements. The moves maybe calculated but there is an air of finesse in doing these movements, not a womanly finesse but just a finesse that emanates peace. The art of peace as what they call in Aikido is one of the most positive influences of Aikido to its students and to everyone who choose to know about this Japanese martial art.

Some of the techniques in Aikido include the following. Ikkyo is the first technique. Using this technique you control an opponent by using one hand in holding the elbow and one near the wrist, this action is supposed to make you pin your opponent down in the ground. Nikyo the second technique is when you do an adductive wristlock that enables you to twist the arm of your opponent that will in turn cause enough nerve pressure.

The third technique is Sankyo which is a pronating technique that directs upward-spiraling tension throughout the arm, elbow and shoulder. There are many other techniques but the first three should get you started.

Parachutes are fairly easy to make, as toy ones that is. However the parachutes that are made to use for real life is not as easy as you think. parachutes have gone through a lot of development but at the costs of several lives.

When you’re free falling thousands of feet up in the air you can fall like pot from a window and literally break when you smash into the ground. No one wants this to happen. parachutes have to made and prepared correctly. Fortunately modern designs have enabled safer and softer landings.

The shape of a parachute is very important. parachutes have come in different shapes through the years. Improvements have led to the creation of more stable ones in square shapes.

Shapes and surface area

The early forms before the modern design was invented were conically shaped. They were usually made up of cloth and wooden struts. The very first one was a conic shaped parachute stiffened by wooden struts in 9th century.

The inventor was able to make a landing from a tower in Cordoba and suffered only minor injuries. Leonardo da Vinci made sketches of them but there were no evidence that showed it was put to use.

It was also used for entertainment because it enabled people to jump and float to the ground which was very fascinating at that time. In China parasols were used for entertaining people. A breakthrough in the development was made when silk was used. This time parachutes were intended to be used for disembarking from a hot air balloon.

In 1783 the modern parachute was invented. The shape was round and was compared to the jellyfish. Its major use was in the military in World War I and II. It was given to artillery spotters and pilots. Unfortunately they were heavy in those times. Further developments lead to the creation of paratroopers. These were soldiers dropped into the enemy lines for attack.

There are variations to the round shape parachute. Additions were made for other purposes. Annular and pull down apex were round parachutes with suspension lines. Ribbon and ring designs on the other hand are made for deployment at super sonic speeds.

It later on developed into a cruciform or square shape which is also used in modern designs today. The design gave the parachute more stability. Further improvements enabled the passenger to steer the parachute to a landing site. Modern designs are called "Ram air" with parafoils that enable the skydiver to control the speed and direction of the parachute.

The shape of the parachute is important because of its relation to surface area.

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