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.
I cannot honestly say that the program absolutely works since I have yet to execute it. However, I believe that the principles and exercises absolutely work. They are honed into a system by Mr. Grover and Attack Athletics. I believe Mr. Grover to be at the top in athletic training. His list of clients and their success speaks for itself. As far as the book goes...it looks like it was written in the stone ages! But once you get past its appearance and the stars of yesteryear that appear in the book...it has quality and value. Although I believe it to be somewhat overpriced (what isn't these days???), it can help an athlete get to the next level in sports performance! Do it!
Other binary end points were analyzed with the use of chi-square tests, and continuous variables were compared by means of an unpaired Student's t-test or a Wilcoxon rank-sum test, as appropriate, with the use of SPSS software, version 13.0 (SPSS). All reported P values are two-sided and have not been adjusted for multiple testing. The study statistician and investigators remained unaware of the patients' treatment assignments while they performed the final analyses.
The way Arthur J. Daley and the other spectators at the Y felt when Fortenberry dunked—that’s how fans at the Oakland Arena felt on Feb. 12, 2000, when Vince Carter shoved his forearm into the rim and swung there by his elbow. What only the initiated noticed about Carter’s dunk was that if you froze him during his approach, he looked like Bob Beamon. Carter long-jumped some 12 feet, right foot leading the way, before landing for a nanosecond and blasting off into his two-footed ascent.
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.
For women's basketball, to dunk or not to dunk has long been the question. It’s the ‘wow factor’ that WNBA haters often point to as proof that the women's game doesn't deserve the fandom, fame and fortune that the guys get. Cristen and Caroline talk to two dunking superstars of past and present to sort through the courtside gender politics and controversy of stuffing the net and find out whether more women bringing the slams could settle the score.
The following data were recorded every 6 hours for 48 hours, every 8 hours on days 3, 4, and 5, and once a day on days 6, 7, 14, 21, and 28: vital signs, hemodynamic variables (including systolic and diastolic arterial pressures, heart rate, central venous pressure, and, when possible, pulmonary-artery pressures), cardiac output, arterial and mixed-venous (or central venous) blood gas levels, doses of vasoactive agents, and respiratory conditions. Biologic variables, data on daily fluid balance, microbiologic data, and antibiotic therapy were recorded daily for the first 7 days and then on days 14, 21, and 28.
Dunking exposes you to some extra risk of injury. First of all, you can get low-bridged or get your legs tangled up with defenders near the hoop, causing you to fall awkwardly from a significant height. You can also throw yourself off balance by trying to hang on the rim and slipping off, resulting in awkward falls. If you are in heavy traffic on the dunk, then being able to grab and hang on the rim until the clutter beneath you clears is a safety technique. If you are in the clear on a dunk, then avoiding hanging on the rim at all is the recommended safety technique (It's also a technical foul to hang on the rim in that situation). Whatever the situation, you need to come down with control and balance. Ankle, knee, neck, and head injuries await those who fail to control their momentum after a dunk.
Add some flair with a double-pump. Suggesting you're so high you could dunk it twice, in the double-pump dunk you bring the ball back down to chest level at the apex of your leap, then force it back up to slam it with authority. Some notable players, Tracy McGrady among them, would do this regularly while spinning in the air, doing a 360 dunk variation.
Of course, these forces increase linearly with increasing body weight. Therefore Olympic high-jumpers are usually build more like marathon runners and less like football players. Every unnecessary pound adds to the forces during take-off, and at some point the muscles and tendons of the jumping leg are just not strong enough any more to support all the weight.
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.
The boundary for stopping the trial owing to the lack of evidence of a difference between treatments at a P value of 0.05 was crossed (Figure 5 in the Supplementary Appendix). There were no significant differences between the groups in the rate of death at 28 days or in the rates of death in the ICU, in the hospital, at 6 months, or at 12 months (Table 2). Kaplan–Meier curves for estimated survival showed no significant differences in the outcome (Figure 2). Cox proportional-hazards analyses that included the APACHE II score, sex, and other relevant variables yielded similar results (Figure 6 in the Supplementary Appendix). There were more days without need for the trial drug and more days without need for open-label vasopressors in the norepinephrine group than in the dopamine group, but there were no significant differences between the groups in the number of days without need for ICU care and in the number of days without need for organ support (Table 3). There were no significant differences in the causes of death between the two groups, although death from refractory shock occurred more frequently in the group of patients treated with dopamine than in the group treated with norepinephrine (P=0.05).
The dose was determined according to the patient's body weight. Doses of dopamine could be increased or decreased by 2 μg per kilogram per minute and doses of norepinephrine by 0.02 μg per kilogram per minute (or more in emergency cases) (see Figure 1 and Figure 2 in the Supplementary Appendix, available with the full text of this article at NEJM.org). An example of the dose-escalation table is provided in Table 1 in the Supplementary Appendix. The target blood pressure was determined by the doctor in charge for each individual patient. If the patient was still hypotensive after the maximum dose of either agent had been administered (20 μg per kilogram per minute for dopamine or 0.19 μg per kilogram per minute for norepinephrine — doses that have been shown to have similar effects on mean arterial blood pressure12,13), open-label norepinephrine was added. The dose of 20 μg per kilogram per minute for dopamine was selected as the maximal dose because this upper limit was the standard of care in the participating ICUs, in line with expert recommendations14 and international guidelines.15
Turn on the windmill. As you approach, bring the ball into your abdomen and back, extending your arm behind your body and up in a circular fashion, like a windmill spinning. At the apex of your jump, bring your arm all the way around to throw it down like a boss. Dominique Wilkins, the Dunkmaster General of the 90s, used to blow crowds away with this spectacular dunk.
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.).
A common, low-tech plyometrics method is performing box jumps, where the athlete jumps repeatedly from the floor to the top of the box and back again. By concentrating on the mechanics of the jump, directing propulsion from the balls of the feet and thrusting with an explosive extension of the legs, the ability of the athlete to land lightly and immediately return to the floor enhances motor control over the movement.