In 2007, the AFL Commission laid down the requirement that all clubs must produce an alternative jumper for use in matches where jumpers are considered to clash.

A show jumper must have the scope and courage to jump large fences as well as the athletic ability to handle the sharp turns and bursts of speed necessary to navigate the most difficult courses.

The jumper must also learn to control the board and their body position so as to open the parachute in a stable configuration.

The jumper must use way points and terrain features to navigate to his desired landing zone, and correct his course to account for changes in wind speed and direction.

Guild thieves must wear appropriate clothing ( in the case of burglars this means an eye mask, a flat cap, a stripy jumper and a bag labelled " SWAG "; other specialities have their own uniforms ) and speak in thieves ' cant, or at least rhyming slang.

The angle must not be too shallow or the jumper jumps too far along the bar, landing on it.

In particular, they must not interfere with or tackle a jumper while his feet are off the ground, or interfere with players supporting him ; such actions are deemed to be dangerous play and will be penalised with a penalty kick.

Players in the line-out must not close the gap or enter the gap, except in the act of jumping for the ball, nor may they jump or support a jumper before the ball is thrown ; such actions are penalised with a free-kick.

Players from the side not throwing may jump to compete for the ball, though they must be careful not to attract a penalty for interfering with an opposing jumper.

In order to avoid potentially destroying a book's plot, however, one must be careful to avoid jumping directly into an area where the plot is occurring, although most bookjumps send the jumper to a place directly outside of the narrative area.

In years 7-11 students must wear black trousers or a black skirt, a white shirt or blouse and a maroon jumper bearing the school crest, black school shoes, black or white socks.

The third player ( the jumper ) then stands between the two sides of the rope and must accomplish a specific series of moves without making an error or pausing.

The circuit must be broken, or insulation displacing contacts may be used on jumper wires.

The reasons for the development of the mini ring system and the associated smaller risers were mostly aesthetic ; the mini rings do not increase safety but actually reduce the mechanical advantage inherent in the system thereby increasing the pull force a jumper must apply to cut-away.

Two of the participants ( the " holders ") will hold the rope taut at increasing heights ( e. g. ankle, knee, hip, usually ending with the holders ' arms in the air ), while the third participant ( the " jumper ") must jump over the rope.

If the jumper fails to clear the rope, or touches it, she is " out " and must trade places with one of the holders.

Upon completing a jump from all of the four object categories, a jumper may choose to apply for a " BASE number ", which are awarded sequentially .< ref name =" numbers ">

A jump is considered a fail if the bar is dislodged by the action of the jumper whilst jumping or the jumper touches the ground or break the plane of the near edge of the bar before clearance.

It is commonly believed that the jumper would throw the weights behind him in mid-air to increase his forward momentum ; however, halteres were held throughout the duration of the jump.

A " foul ", also known as a " scratch ," or missed jump, occurs when a jumper oversteps the takeoff mark, misses the pit entirely, does not use the correct foot sequence throughout the phases, or does not perform the attempt in the allotted amount of time ( usually about 90 seconds ).

When a jumper " scratches ," the seated official will raise a red flag and the jumper who was " on deck ," or up next, prepares to jump.

Samuelson also achieved the first ski jump on July 8, 1925 using a greased by ramp, making him the first water ski jumper.

A jumper may be either stationary or moving when initiating a jump.

In a moving jump or running jump, the jumper introduces additional vertical velocity at launch while conserving as much horizontal momentum as possible.

It was originally decided that the first jump would be taken by Anette Sagen, Norway's leading female jumper, on 3 March 2010.

The tower also features the ' SkyJump ', a 192-metre ( 629. 76 ft .) jump from the observation deck, during which a jumper can reach up to.

Many motorists carry jumper cables ( known in the UK as jump leads ) which consist of a pair of heavy gauge, insulated wires with alligator clips at each end.

* Double Dutch ( jump rope ), A game of jump rope with two ropes, two rope turners and at least one jumper.

In a typical HAHO exercise, the jumper will jump from the aircraft and deploy the parachute at a high altitude, 10 – 15 seconds after the jump ( typically at or so ).

A typical HALO exercise will require a pre-breathing period ( 30 – 45 minutes ) prior to jump where the jumper breathes 100 % oxygen in order to flush nitrogen from their bloodstream.

Also, a HALO jumper will employ an oxygen bottle during the jump.

; Crougar: The crougar is a trick where the jumper jumps in a normal open jump, but with one arm hooked under the same leg.

; Awesome Annie: This is where the jumper alternates between a crougar and a toad without a jump in between.

On October 23, 1999, BASE jumper and stuntwoman Jan Davis died while making an illegal protest jump in support of lifting the park's ban.

" Sports Illustrated journalist and retired NBA player Alex English added: " Duncan came up big each time they went to him with that sweet turnaround jumper off the glass.

Sellers, Krause reasoned, was too good a pick to pass up, as he handled the ball very well for a big man, and also had a solid outside jumper.

With a strange orange perm and a retro purple jumper with a big green ' M ' on it, he quickly became popular.

The DC 9-21 used for skydiving at the 2006 World Free Fall Convention in Rantoul, Illinois had one installed, but since the rear pressure bulkhead door and the stairs had been removed to facilitate fast jumper exits, the vane, which was left in place, did not prevent jumps.

His appearance is vaguely similar to that of Dennis the Menace ; he wears a black and red chequered jumper, black trousers and takes better care of his hair than his equally mischievous counterpart he also used to have a white tie but it has seemed to have disappeared.

Unlike show hunter classes, which reward calmness and style, jumper classes require boldness, scope, power, accuracy, and control ; speed also is a factor, especially in jump-off courses and speed classes ( when time counts even in the first round ).

This jumper also has a collar, the only one in the AFL to do so.

Melbourne also have a third jumper which acts as both a pre-season and a clash jumper.

High jumper Joni Huntley also graduated from the high school and won a bronze medal at the 1984 Summer Olympics in Los Angeles, California.

In British English, a sweater may also be called a pullover, jumper or jersey.

This also avoids the risk that an unshielded jumper will accidentally short out something critical ( particularly if it is dropped on a live circuit ).

In keeping with the UK regulations for trains operating in single bore tunnels, they have emergency doors at the end of each unit, and are also designed so that when operating on 750 V DC the two motor coaches are electrically separate as far as the traction supply goes-unlike other contemporary units, there are no DC traction supply jumper cables between carriages.

In October 2007, Minnie's jumper changed colour from her familiar black and red stripes to red and yellow, with her skirt also changing from black to blue.

Crocodile clip s, also called automotive clips, on a set of Jump_start_ ( vehicle )# Jumper_cables | jumper cables

This also saw the first Forest Service employee jumper, Francis Lufkin, who was originally hired as a climber to extract the professional parachutists from the trees.

The high jumper Ben Challenger, son of Showaddywaddy drummer Romeo Challenger, is also from Loughborough.

A green and gold rugby jumper is also optional.

Offensively, Robinson excelled in fast-breaks, running the floor like no 7-footer ( 2. 13 m and above ) before or since, while also possessing an effective left-hand jumper.

They are also occasionally seen in other disciplines including dressage, hunter / jumper, and western riding.

Crocodile clips, also called automotive clips, on a set of Jump_start_ ( vehicle )# Jumper_cables | jumper cables

Bembry said, " Not only can Howard post up, he passes effectively and is able to hit a jumper up to 17 feet ," adding that he " also is an excellent position defender ".

The Smith family is also in possession of two bizarre nonhumans — Roger, a fugitive alien from Area 51 whom Stan is covertly housing in defiance of his employer because Stan owes Roger a " life debt "; and Klaus, a goldfish whom the CIA implanted with the brain of an East German Olympic ski jumper.

O ’ Callaghan ’ s eldest brother, Seán, also enjoyed football as well as winning a national 440 yards hurdles title, while his other brother, Con, was also regarded as a gifted runner, jumper and thrower.