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This calculator tells you how much you need to jump to dunk a basketball. It will also give you an estimated force required to jump that high. The more you bent your knees the less force you'll need but you will need a lot of energy to take you from that position to the top. You can increase your vertical by training your legs to be able to deliver that much force.
Dunk types reflect the various motions performed on the way to the basket. They start with the basic one- or two-hand forward-facing dunk and go on through various levels of athleticism and intricacy. Discrete dunk types can be modified by appending other moves; for example, a player who passes the ball off the backboard, catches it in the air, and executes a double-pump dunk would be said to have completed a "self-pass off the backboard, double pump".

Whichever equipment you use, the first thing you’ll need to do is measure your reach standing flat-footed on the floor with one arm fully extended straight overhead. (You can measure your reach up against a wall for the chalk option.) Then, when you mark the highest point you touched, you’ll subtract your reach from that number. For example, if your reach is 90 inches and you touched 115 inches up on the wall with your chalk, your vertical leap is 25 inches.
High Reach Jumps – with your feet shoulder width apart, bend down into a comfortable squat position and then jump up as high as you can reaching for the sky! This drill is great to do under the basketball goal or near a wall so you can have a visual of how high you’re jumping – or how low you jump once you start getting tired. Try to reach the same height through all your reps.
Perform jump and reach exercises for a simple vertical jump workout. Start in a standing position with your arms above your head, your feet shoulder-width apart, and your knees and hips forward. Bring your arms down and back, while simultaneously lowering your hips and bending your knees. Then, swing your arms forward and jump as high as you can.[5]
I learned that insects are fucking awesome. There was an insect in particular that I was interested in called the froghopper, or spittlebug, that is basically one of the world’s top jumpers. It’s a survival mechanism. It can jump far, far higher than we can as a function of its weight, basically. So I learned that humans are quite modest in the jumping scheme of things.
In this multicenter, randomized trial, we assigned patients with shock to receive either dopamine or norepinephrine as first-line vasopressor therapy to restore and maintain blood pressure. When blood pressure could not be maintained with a dose of 20 μg per kilogram of body weight per minute for dopamine or a dose of 0.19 μg per kilogram per minute for norepinephrine, open-label norepinephrine, epinephrine, or vasopressin could be added. The primary outcome was the rate of death at 28 days after randomization; secondary end points included the number of days without need for organ support and the occurrence of adverse events.

A vertical jump is defined as the highest point an athlete can touch from a standing point jump, less the height the athlete can touch from a standing position (standing reach height). The best place to start with your vertical jump improvement is testing your vertical jump. This will serve as your reference point to see how you’re increasing your vertical.

To build strength in the legs that will be compatible with the speed developed through successful plyometrics drills, squat and lunge exercises are important components. Squats are performed with free weights, where the athlete uses a weighted bar to carry out the exercise. The additional weight will be supported by the body through the abdominal, lumbar (low back), and gluteal muscles, in addition to the legs. This form of exercise permits the strengthening of the legs in conjunction with enhancing the core strength of the body, essential to the balance necessary to have the several muscle groups involved in leaping work in harmony.
In fact, if you are a very short player and can barely reach the net when you jump you should probably put the dream of dunking the ball out of your mind. Better to spend time working on your layups and ball-handling skills. You can still lift weights and do all the other things to increase your vertical leap, and you can still be a very effective player.

This is why using a slightly deeper countermovement often increases jump height, because the larger range of motion allows the muscles to exert force for a longer duration of time before take-off. Jump height *can* increase even though the force produced is almost always smaller. (Force is smaller when the countermovement is deeper partly because shortening through a longer range of motion leads to a faster contraction velocity, on account of the force-velocity relationship, and partly because the leverage of bodyweight on the lower body joints is larger with a deeper countermovement).

I continued to follow the program for the next few weeks, and I was dunking fairly regularly. I got a friend to film me, and then bored everyone I knew by showing them the video for weeks on end, like a proud father of my own dunk. Each one was the same: I could only do it after a couple days’ rest, and only with a ball I could palm. I approached from the left, jumped off two feet, and dunked with my right hand. There would be no cocked-back, in-your-face, two-handed throw downs; no acrobatic Russell Westbrook highlight reel slams.

Writer Antonio Passolini (formerly "Johnny Jump-Up" in his Greg Dark days) borrows several elements of science fiction cyber classics such as BLADE RUNNER and STARGATE with an experimental project at the asylum ironically referred to as Mindgate. Employing intentionally impenetrable mumbo jumbo, Dr Hellstrom has created a doorway into the mind's realm as if it were a separate world running parallel to the physical one our bodies inhabit. The f/x when Mangrove and her henchmen (Decker again and Peter North) pass from one world to another are impressive, matching the big budget blockbuster original every step of the way.
In the 2000 NBA Slam Dunk Contest Carter used an elbow hang along with his reverse 360 windmill dunk and between-the-legs dunk. When performed, much of the audience was speechless, including the judges, because none had seen these types of dunks before (Carter's first round 360 windmill dunk is reminiscent of Kenny Walker's 360 windmill dunk in 1989 except that Carter spins clockwise, whereas Walker spins counter-clockwise).
Scaling the back squat for beginner-level athletes generally entails sticking to lighter loads (even bodyweight only to start) while learning proper technique. Goblet squats with a kettlebell or dumbbell can be used to practice form, but keep in mind that goblets are an anterior (front-loaded) variation and won’t directly mimic the mechanics of the back squat.
Dunking isn't for everybody, but many men at least have a chance at pulling it off. Even so, it depends on a lot of variables for those on the fringe. Many guys have excess weight that keep them grounded. Some days your legs just aren't up to it. Other days, you don't have the right shoes on, or a certain basketball is hard to grip, or a past injury is hampering you. Little things like that can keep you from basketball glory when you're oh-so-close to throwing down.
A strut is a major structural part of a suspension. It takes the place of the upper control arm and upper ball joint used in conventional suspensions. Because of its design, a strut is lighter and takes up less space than the shock absorbers in conventional suspension systems. Struts perform two main jobs. First, struts perform a damping function like shock absorbers. Internally, a strut is similar to a shock absorber. A piston is attached to the end of the piston rod and works against hydraulic fluid to control spring and suspension movement. Just like shock absorbers, the valving generates resistance to forces created by the up and down motion of the suspension. Also like shock absorbers, a strut is velocity sensitive, meaning that it is valved so that the amount of resistance can increase or decrease depending on how fast the suspension moves.
We conducted this multicenter trial between December 19, 2003, and October 6, 2007, in eight centers in Belgium, Austria, and Spain. All patients 18 years of age or older in whom a vasopressor agent was required for the treatment of shock were included in the study. The patient was considered to be in shock if the mean arterial pressure was less than 70 mm Hg or the systolic blood pressure was less than 100 mm Hg despite the fact that an adequate amount of fluids (at least 1000 ml of crystalloids or 500 ml of colloids) had been administered (unless there was an elevation in the central venous pressure to >12 mm Hg or in pulmonary-artery occlusion pressure to >14 mm Hg) and if there were signs of tissue hypoperfusion (e.g., altered mental state, mottled skin, urine output of <0.5 ml per kilogram of body weight for 1 hour, or a serum lactate level of >2 mmol per liter). Patients were excluded if they were younger than 18 years of age; had already received a vasopressor agent (dopamine, norepinephrine, epinephrine, or phenylephrine) for more than 4 hours during the current episode of shock; had a serious arrhythmia, such as rapid atrial fibrillation (>160 beats per minute) or ventricular tachycardia; or had been declared brain-dead.
From the Department of Intensive Care, Erasme University Hospital (D.D.B., A.B., J.-L.V.); the Department of Intensive Care, Brugmann University Hospital, Université Libre de Bruxelles (J.D., P.G.); and the Department of Intensive Care, Centre Hospitalier Etterbeek Ixelles (D.C.) — all in Brussels; the Department of Intensive Care, Centre Hospitalier Universitaire de Charleroi, Charleroi, Belgium (P.B., P.D.); the Department of Medicine III, Intensive Care Unit 13H1, Medical University of Vienna, Vienna (C.M.); and the Department of Anesthesia and Critical Care, Rio Hortega University Hospital, Valladolid, Spain (C.A.).

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The opening scene finds Modern Messiah Malcolm Stevens (the tragically deceased Jon Dough recreating his career-defining character) back in his familiar padded cell. Out of thin air, his lost lady love Gwen (Jeanna Fine, resplendent in stylized Marilyn Monroe Kabuki make-up) appears as an echo of the original's psychiatric theory that Stevens concocted his entire past out of years of transfixed TV ogling à la Jim Carrey's CABLE GUY. This proves to be the film's first of many technical knockouts, shot in black and white complete with scratches and splices to suggest an old movie, the tiniest splash of pink occurring as Jeanna vibrates herself into a frenzy. Malcolm still has a problem projecting himself into his own fantasies and is, at first almost subliminally, replaced by tattooed muscle boy John Decker, the mesmerizing lead from Paul Thomas' terrific MARISSA.
In fact, if you are a very short player and can barely reach the net when you jump you should probably put the dream of dunking the ball out of your mind. Better to spend time working on your layups and ball-handling skills. You can still lift weights and do all the other things to increase your vertical leap, and you can still be a very effective player.

Keep that in mind, and progress slowly. A mini basketball is a little more challenging than a tennis ball, but it's easy to palm and that helps. See if you can get high enough to get your hand over the rim--almost up to your wrist--so you can stuff the mini ball. If you can't throw it down with a little authority, a bigger basketball won't be any easier.
Unfortunately, I’m not the 6' 7" son of a Hall of Famer, so I had to resort to desperate devices—like Hennessy, an infamous and inexpensive cognac that, according to one of the two NBA players who recommended it to me, “will give you that Yah! That bounce. That little bit of meanness you need.” The little minibar-sized bottle that I downed 30 minutes into an intense session of dunk attempts on a sweltering day last summer, had no effect other than scorching my esophagus, giving me a headache and releasing from my pores an aura that, as my six-year-old put it that evening, “smells like medicine.”

Also, using the lifting (concentric) phase of these exercises only, rather than both lowering and lifting phases, *might* further improve results. This is partly because lifting phases involve faster rate coding, and partly because this strategy might potentially help avoid optimizing stretch-shortening cycle function for lifting heavy weights, rather than for jumping.
Perhaps the most popular obstruction-modified dunk is the Dubble-Up. Aptly eponymous of the its pioneer—T-Dub, an American dunker hailing from Minnesota—the Dubble-Up starts with a person standing before the basket, holding the ball above their head. The dunker approaches and leaps as though their groin would soar above just above the head and their legs around the stationary person. Just prior to clearing the person, the dunker will assume control of the ball with one or both hands, guide it under a raised leg, transferring it to the appropriate hand, clearing the ball-holder, raising the ball above the horizontal plane of the rim, and finally guiding it downward through the basket. While the Dubble-Up mimics a between-the-legs dunk, Kenny Dobbs and Justin Darlington have both performed an under-both-legs variant.
When tendons elongate to a greater extent during a jumping movement that is preceded by a countermovement, the muscle lengthens less. This produces two effects. Firstly, the greater elongation of the tendon means that more elastic energy is stored during the countermovement, which is then released in the subsequent jumping phase. Secondly, the smaller elongation of the muscle means that countermovement depth can be greater for the same shortening velocity in the subsequent jumping phase, because the muscle never lengthened that much to begin with. Since shortening velocity determines force, this allows the same muscle force to be produced, despite the larger joint range of motion.
“Put in the work. It’s muscle memory, first and foremost. Training­wise, people say, ‘You gotta do this, you gotta do that.’ I didn’t believe in that. I never worked on my legs in high school or middle school. I would just go through this routine over and over and over, visualizing that day when you dunk on the court. And then you live in that moment.”
Writer Antonio Passolini (formerly "Johnny Jump-Up" in his Greg Dark days) borrows several elements of science fiction cyber classics such as BLADE RUNNER and STARGATE with an experimental project at the asylum ironically referred to as Mindgate. Employing intentionally impenetrable mumbo jumbo, Dr Hellstrom has created a doorway into the mind's realm as if it were a separate world running parallel to the physical one our bodies inhabit. The f/x when Mangrove and her henchmen (Decker again and Peter North) pass from one world to another are impressive, matching the big budget blockbuster original every step of the way. 

You can assist in recording your score by holding a piece of chalk in your had and using it to mark the wall. If the wall already has horizontal lines, such as a brick wall, it will be easier to mark your jump height. Have as many attempts as you need to get the best possible score. Practice your technique, as the jump height can be affected by how much you bend your knees before jumping, and the effective use of the arms.
As far as sequels go, Ninn learned a lesson from his ill-fated follow-up to SEX. Without even a second of flashback footage, he designed SHOCK to surpass LATEX in every respect. It succeeds in some ways. In others, it merely (ha !) equals or falls just below its immediately illustrious predecessor. Simply put, and you can quote me on this, if LATEX blew your mind, SHOCK will turn it inside out !
This is a dunk where the player takes off from a distance which is significantly further away from the basket than is considered typical. The free-throw line is most commonly constituted as the take-off point, an effect likely attributed to the easily observable span between the line and the basket in the view of the TV audience. In order to achieve the hang-time and altitude necessary, players will generally leap from one-foot to maximize the momentum generated from the half-court running start often required to complete the dunk. A cornerstone of dunk contests, dunks from a distance are also performed in games, most often on the fast break.

Thus, dopamine and norepinephrine may have different effects on the kidney, the splanchnic region, and the pituitary axis, but the clinical implications of these differences are still uncertain. Consensus guidelines and expert recommendations suggest that either agent may be used as a first-choice vasopressor in patients with shock.6-8 However, observational studies have shown that the administration of dopamine may be associated with rates of death that are higher than those associated with the administration of norepinephrine.3,9,10 The Sepsis Occurrence in Acutely Ill Patients (SOAP) study,3 which involved 1058 patients who were in shock, showed that administration of dopamine was an independent risk factor for death in the intensive care unit (ICU). In a meta-analysis,11 only three randomized studies, with a total of just 62 patients, were identified that compared the effects of dopamine and norepinephrine in patients with septic shock. The lack of data from clinical trials in the face of growing observational evidence that norepinephrine may be associated with better outcomes called for a randomized, controlled trial. Our study was designed to evaluate whether the choice of norepinephrine over dopamine as the first-line vasopressor agent could reduce the rate of death among patients in shock.
Typically, struts consists of a coil spring to support the vehicle's weight, a strut housing to provide rigid structural support for the assembly, and a damping unit within the strut housing to control spring and suspension movement. The bottom of the strut body attaches to the steering knuckle, which in turn connects to a lower control arm through a lower ball joint.
Asher Price, a reporter at the Austin American-Statesman, spent a year of his life trying to find out and chronicled his quest to jam on a regulation hoop in the book The Year of the Dunk, which comes out in May. Price, who played coy about whether he was able to achieve his goal, spoke to Science of Us about what a rec leaguer would need to do to fly like a pro. (Spoiler: lots of squats and alley-oop attempts.)
Similar to building explosive power by jumping over a stationary object, hurdles allow you to practice your leap. Space eight flights of hurdles two feet from each other and aim to jump over each like a pogo stick—basically, as high as you can. Repeat this for 10 repetitions: one flight of eight hurdles equals one repetition. Do this twice per week.
Vertical jump measurements are used primarily in athletic circles to measure performance. The most common sports in which one's vertical jump is measured are track and field, netball, basketball, football, and volleyball, but many sports measure their players' vertical jumping ability during physical examinations. In addition, single and multiple vertical jumps are occasionally used to assess muscular strength and anaerobic power in athletes.[3]