A more accurate method would be to use a Jump Tester (like these here.) The problem with these, obviously, is that they are way too expensive. In fact, the only scenario in which I recommend using one of these is if you’re a coach, trainer, or athletic director who is purchasing it to test a large number of athletes over time and who needs as accurate of a number as possible for scouting purposes.
Because of the possible combinations of starting and finishing hands, and raised-legs, there are many variations on the basic under-the-legs dunk—more so than any other.[17] For example, in a 1997 French Dunk contest, Dali Taamallah leapt with his right leg while controlling the ball with his left hand, and once airborne he transferred the ball from his left hand, underneath his right leg to his right hand before completing the dunk.[18] NBA star Jason Richardson has also pioneered several notable variations of the between-the-legs including a lob-pass to himself[19] and a pass off of the backboard to himself.[20] Independent athlete Shane 'Slam' Wise introduced a cuffed-cradle of the ball prior to initiating the under the leg transfer and finishing with two-hands.[21] While a number of players have finished the dunk using one- or two-hands with their backs to the rim, perhaps the most renowned variant of the dunk is the combination with a 360°, or simply stated: a 360-between-the-legs. Due to the athleticism and hang-time required, the dunk is a crowd favorite and is heralded by players as the preeminent of all dunks.[citation needed]
No, I think there’s a practical aspect to that. It’s hard to grip a basketball. I mean, that’s another physical challenge. I have pretty small hands, and one thing I had to train myself to do, which I couldn’t do at the start of this project, is palm a basketball. So that involved fingertip push-ups, to get the tips of your fingers much stronger. It involves, while hanging out and watching television, trying to palm a basketball for as long as you can. You want to get into a quick, full sprint, and you want to be able to grip the basketball as you go up to jam it. So doing those things can be a challenge. That’s partly what’s behind people doing the alley-oop-type things or throwing it up off the backboard. In some cases, they simply can’t grip the ball on the way to the hoop, so their solution is to throw it in the air, catch it, and try to bring it down.
Parte 3, se refiere a los intentos de aplicar la doctrina de choque sin la necesidad de violencia extrema en contra de amplios sectores de la población. La terapia de choque leve de Margaret Thatcher explica cómo se hace posible con la Guerra de las Malvinas, mientras que la reforma del mercado libre en Bolivia ha sido posible gracias a una combinación de una preexistente crisis económica y el carisma de Jeffrey Sachs.
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.
No, I think there’s a practical aspect to that. It’s hard to grip a basketball. I mean, that’s another physical challenge. I have pretty small hands, and one thing I had to train myself to do, which I couldn’t do at the start of this project, is palm a basketball. So that involved fingertip push-ups, to get the tips of your fingers much stronger. It involves, while hanging out and watching television, trying to palm a basketball for as long as you can. You want to get into a quick, full sprint, and you want to be able to grip the basketball as you go up to jam it. So doing those things can be a challenge. That’s partly what’s behind people doing the alley-oop-type things or throwing it up off the backboard. In some cases, they simply can’t grip the ball on the way to the hoop, so their solution is to throw it in the air, catch it, and try to bring it down.
Not so long ago, I played the worst basketball game of my life. I missed layups, turned over the ball, allowed my opponent free reign to the hoop. It was dark. As I slumped on the sidelines after the game, I realized how far I’d fallen from my prime a decade ago. Back then, I could dunk; now, at 33, I could barely curl my fingers over the rim. My game had regressed to hovering around the arc jacking threes. The last time I dunked a basketball, Michael Jordan was a Washington Wizard and people still listened to Coldplay.
Smaller observational studies have suggested that treatment with dopamine may be detrimental to patients with septic shock.3,9,10 However, Póvoa et al. reported a lower rate of death among patients treated with dopamine than among those treated with norepinephrine.25 In our study, which included more than 1000 patients with septic shock, there was no significant difference in the outcome between patients treated with dopamine and those treated with norepinephrine.
In summary, although the rate of death did not differ significantly between the group of patients treated with dopamine and the group treated with norepinephrine, this study raises serious concerns about the safety of dopamine therapy, since dopamine, as compared with norepinephrine, was associated with more arrhythmias and with an increased rate of death in the subgroup of patients with cardiogenic shock.
If anything came to surprise me about this journey, it was the sheer volume of physical pain involved. I had taken on impressive physical feats before. I had run a sub-3:30 marathon back in 2003 (my first and only attempt) after put­ting in the hundreds of training miles required. I’d done some of the most grueling weight training on offer, most of it either on the beach or at The Yard, a nearby temple of athletic performance where Maria Sharapova, Kobe Bryant and Tom Brady, among many others, have kneeled with exhaustion. But the physical toll of trying to dunk made the marathon and the semipro football and the parenting and everything else I’d ever attempted seem like mere rubber band snaps to the wrist. The lifting didn’t hurt as much as the jumping, the banging of my quadragenarian appendages into the ground, taking off and landing 50 to 200 times a day. My legs never got used to this bludgeoning, never got better at recovering from it, despite my daily foam-rollering, stretching, icing and hydrating. Even on my off days, a quick game of tag with my kids or a bike ride to the park meant daggers in my thighs and a gait like Fred Sanford’s.
The force-velocity relationship during muscle shortening occurs because the number of simultaneously attached crossbridges between the myofilaments inside the working muscle fibers determine the amount of force that a fiber can produce. The number of attached crossbridges at any one time is dependent upon the fiber shortening velocity, because the detachment rate of the crossbridges at the end of their working stroke is higher at faster shortening speeds.
Because jumping ability is a combination of leg strength and explosive power, jumping can be developed in the same fashion as any other muscular activity. The ultimate limit to how high any athlete can jump will be determined to a significant degree by the distribution of fast-twitch versus slow-twitch fibers present in the muscles of the legs. This distribution is a genetic determination. Fast-twitch fibers are those whose governing neurons, the component of the nervous system that receives the impulses generated by the brain to direct muscular movement, fires more rapidly, which in turn creates the more rapid muscle contractions required for speed. As a general proposition, an athlete with a greater distribution of fast-twitch fibers will be able jump higher than one with a preponderance of slow-twitch fibers.

I gave myself six months to dunk because that was the low end of the “six to eight months” prescribed on the website of Brandon Todd, a 5'5" former D-III star who set the same goal for himself in 2005, and then, at age 22, accomplished it. When I first contacted him, Todd perfectly expressed the more shallow reason behind my goal: “When you can dunk, it means you’re a good athlete. Period. It takes away any subjectiveness.” I also chose six months because, as would be proved repeatedly during this mission, I am prone to tragic spells of overconfidence.


The phrase "slam dunk" has entered popular usage in American English outside of its basketball meaning, to refer to a "sure thing": an action with a guaranteed outcome, or a similarly impressive achievement. This is related to the high probability of success for a slam dunk versus other types of shots. Additionally, to "be dunked on" is sometimes popularly used to indicate that a person has been easily embarrassed by another, in reference to the embarrassment associated with unsuccessfully trying to prevent an opponent from making a dunk. This ascension to popular usage is reminiscent of, for example, the way that the baseball-inspired phrases "step up to the plate" and "he hit it out of the park," or American football-inspired phrases such as "victory formation" or "hail Mary" have entered popular North American vernacular.
The between-the-legs dunk was popularized by Isaiah Rider in the 1994 NBA slam dunk contest,[12] so much so that the dunk is often colloquially referred to as a "Rider dunk" — notwithstanding Orlando Woolridge's own such dunk in the NBA contest a decade earlier.[13] Since then, the under-the-leg has been attempted in the NBA contest by a number of participants, and has been a staple of other contests as well. Its difficulty — due to the required hand-eye coordination, flexibility, and hang-time — keeps it generally reserved for exhibitions and contests, not competitive games. Ricky Davis has managed to complete the dunk in an NBA game,[14] but both he[15] and Josh Smith[16] have botched at least one in-game attempt as well.
At pickup the next night, buoyed by the previous day’s accomplishment, I found a regulation ball that had good grip, one I could palm, and in between games, when no one was looking, I dunked for the first time in eleven years. If some dunks are described as thunderous, this one could be best described as a gentle fart in the breeze. But a dunk’s a dunk—and I had dunked.
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.
Step 3. Jump as high as you can while flinging your arms forward and overhead. When you leave your feet, only reach up with one arm; you’ll be able to reach a higher point this way versus reaching with both arms. Land softly with a slight knee bend, being careful not to let your knees cave inward. Drive them outward as you did when preparing to jump in the first place.
Toe Raises – stand with your feet shoulder width apart, typically on stairs or any sort of ground you can stand on that allows your heel to dip down. Then raise up on the tips of your toes. Continue this process until your complete your reps. Don’t rock up and down – or go to fast. For the exercise to work, you have to use correct form and go at a steady pace.
Because of the foam edges the fear of scraping your shins are gone so you can go harder but also because of the foam it is a little unstable when you jump to the 30" level. Instead of scraping my shin on the edge, the foam made the base a little unstable and the box kicked out. Luckily I was on a mat and not a hard floor. That is the only problem I saw with this box.

For one-footed jumpers, the ball is generally transferred to the non-dominant hand just before or upon take-off; for two-footers, this transfer is often delayed for milliseconds as both hands control the ball to prevent dropping it. Once airborne, the dunker generally transfers the ball from non-dominant to dominant hand beneath a raised leg. Finally, the ball is brought upwards by the dominant hand and slammed through the rim.

The baseline dunk is an approach-modifier of any dunk type in which the player approaches the basket along the court-boundary (baseline) which runs parallel with the backboard. In the game setting, the dunk often comes as the result of a pass, creating an assist opportunity for a teammate. In the contest, the baseline approach may be used as a means of convenience, facilitating a particular dunk type (e.g., passes bounced off the side of the backboard or its padding) or to increase the difficulty of a dunk type in hopes of meriting higher scores.

I have to admit...I bought this for my 5 year old son, but I found it to be just as enjoyable! Setup took a matter of minutes before he was launching his first rocket in the air. he was impressed with the THUMP followed by a dissapearing act as it launched into the sky. After he had a few tries it was my turn, I assumed it would not handle my 200lb frame very well so I started light and worked my way up to an all out double foot stomp that left craters where I landed. The SQUEEEEEL from my son as the rocket nearly "went to the moon" was priceless. We lost a few rockets that day to rooftops, damage from landing on pavement, and one down a difficult to repeat sewer drain. I advise to have the little ones wear safety ... full review

It takes a higher vertical leap to get both hands up to the rim versus just one (and don’t forget, you’ll be holding a basketball as well), so if you’re cutting it close, try for a one-handed jam. Being able to palm the ball will obviously help, but it’s not totally necessary; just make sure you keep the ball in both hands until you leave the floor so you don’t lose it.

Improve your flexibility by stretching. Stretch your hamstrings and buttocks by laying on your back with one leg crossed over the other at the knee. Pull the lower leg toward you firmly and steadily. This should stretch the hamstring of the crossed leg. For another exercise, touch your toes while seated, standing, with your legs spread, and with your legs crossed.


Shock and Vibration is archived in Portico, which provides permanent archiving for electronic scholarly journals, as well as via the LOCKSS initiative. It operates a fully open access publishing model which allows open global access to its published content. This model is supported through Article Processing Charges. For more information on Article Processing charges in general, click here.
Like Todd and me, Nicholson was a two-foot jumper, and he echoed what Todd had told me was another flaw in my technique: “Your next-to-last step has to be a lot bigger. That big leap forward with your right foot—your penultimate step—that’s what allows you to explode off the ground.” To demonstrate, Nicholson sent me a video of Carter’s performance at the 2000 NBA Dunk Contest, which was a bit like showing a Monet to a finger painting kindergartner and saying, “No, like this.”

Parte 5, se introduce el complejo capitalismo de desastres en el que la autora describe cómo las empresas han aprendido a sacar provecho de tales desastres. Ella habla acerca de cómo el mismo personal pasa fácilmente de puestos relacionados con la seguridad y defensa de los organismos públicos de los Estados Unidos a puestos en empresas lucrativas.
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.
Before you take on these vertical jump exercises, spend a few minutes looking over the plyometric section of our website. When you increase your vertical jump, you’re actually altering the nature of your muscle fibers, and our plyometric articles can explain how this works. Meanwhile, keep working on strength-building exercises for your quads, glutes and hips, and remember to keep an eye on any hesitation between your jumps.  
By emphasizing certain muscles in your legs, you can train your body for the force needed to leap high. Increasing your vertical jump will improve your rebounding, blocking, dunking, and make you an all-around better basketball player. Here are a few of CoachUp’s favorite exercises for improving your leg strength and vertical jump. If you ever need extra motivation to get through these exercises on a daily basis, just re-watch these gifs and focus up!
after a certain age dunking becomes quite difficult to gain during the prime years 12 to 21 your body is still growing so it is easier to gain to muscle and muscle fiber to be able to dunk if you are quite short below 6ft it requires great effort to get the height to dunk the only exercises i suggest are one footed Calf Raises you can find how to do them on you tube and squats i was recommended these exercises by the Glasgow rocks coach and player Sterling Davis hope that helps i am 6ft myself and learning to dunk has been a long road and still going because i am only grabbing the rim now any more questions feel no fear to send me an email
After four months of failing to pull off anything even resembling a real dunk, the planets aligned on Aug. 9: After at least 19 failed attempts that afternoon, I dunked a soccer ball on a middle school court whose rim measured 9' 11". (The original basketball, incidentally, was a soccer ball, property of Dr. Naismith’s employer, Springfield College.) Video from that afternoon shows me standing there, looking confused, in the moment afterward. Did that just happen? Failing had become so routine that even this small success felt foreign.
Air ball Alley-oop Assist Backboard shattering Ball hog Block Buzzer beater Cherry picking Dribble Crossover Dunk Euro step Fadeaway Fast break Fly Flop Jump shot Layup Finger roll Field goal Four-point play Free throw Hook shot Moves Pick and roll Positions Posterized Playbook Rebound Point Screen Back screen Slashing Steal Three-pointer Three-point play Uncontested shot
Start with a ping-pong ball, then a tennis ball, then a softball, then a volleyball, then a youth-sized basketball, and on up until you can dunk with a regulation size ball. If you can't palm the ball, then you will need to learn how to control the ball with two hands until the last minute extension for the dunk with one hand, or you will have to jump high enough to dunk two-handed.
I'm 5"11 and 12 years old, and i'm able to touch the rim, but it's very inconsistent. like 50% of the time I can wrap my 3 biggest fingers around it, or i dont touch it the other 50% of the time. I've been training for about 4 months, doing calf raises every day until they cramp, and everyday i try to touch the rim at my gym or school or at any court. I found out i could touch the rim 2 days ago, but is there any way to add 7 inches to my vertical instead of doing thousands of calf raises again, because i really want to be able to dunk by 8th gradr

Vertical jump training and assisted vertical jump training (essentially with a negative load) can each increase vertical jump height through increases in countermovement depth, even while actually reducing peak force produced in the jump. This seems to happen because the tendon becomes more compliant after these types of training, which means they elongate more during the countermovement phase of the jump.
×