As a beginner, this measurement may seem arbitrary, but it can be a useful measurement that helps guide a player’s decision-making process during their search for a tennis racquet. Quotidien et supplément du 6eme jour livrés, site web, toute l'information sur vos secteur d'activité et votre région. As a general rule, a stiffer tennis racquet will tend to pass more shock and lingering vibration to the player’s hand and arm, resulting in discomfort with prolonged use. On most racquets aimed at intermediate and advanced players, this falls somewhere between 50 and 70 but can go as low as 40 and as high as 85. Now playing with a Prince 110 EXO3 and this seems the best, except pace on my serves seems lower. When you make contact with the tennis ball, the frame bends. In this case, the Babolat RDC is the industry standard and used for the vast majority of measurements you’ll find online. I do not know it ok or not. To gain more power from this racket I add lead tape 20grm to the handle and chang string to Wilson shockshield 50lb. Instead, control is primarily a function of a player’s skill and technique, which, combined with a flexible lower-powered racquet, allows them to dictate the placement of the ball more accurately. I am looking at the Wilson Blade 98S and the Head Graphene XT Extreme MPA ..what do you think about these racquets, are they too stiff?? When the study…, RT @camerlengo73_2: New revised issue out by @SimonGraf1 including 5 new chapters! Thanks so much for visiting and sharing your challenge :). TENNIS : LA RDC REPRÉSENTÉE DANS LE PETIT CARRÉ DE LA CAT! They can take big cuts on the ball with fewer worries of overhitting beyond the baseline. No. Here’s a simple chart to help provide context for what to expect from racquets with various stiffness ratings generally. Should I Choose a Stiff or Flexible Racquet? How many times did you smash it before it broke? The lower stiffness rating will provide you with more comfort as the frame flexes and absorbs impact on contact with the ball. Votre adresse de messagerie ne sera pas publiée. As a result, companies have developed machinery to measure a variety of tennis racquet characteristics, including racquet stiffness. Cette paire avait dominé le mercredi en demi-finales les Congolaises, Grâce Denga et Violine Nkounkou en deux manches (6-2 et 6-4). We measure freely suspended racquets, so there is no hand to dampen vibrations in these graphs. However, you’ll also want to consider these factors: Keep all of these factors in mind if you’re dealing with an arm injury. This is the number of back-and-forth cycles that the racquet completes in one second. Belgium just announced that PCR tests will no longer be relied upon as a guage of the preva…, RT @peRFectTennisUK: Looking for a kids tennis racquet but unsure on what size or type of racquet to get them? Going back to the example above, the Head Titanium Ti.S6 is 2.5 ounces lighter than the Wilson Blade 98 (16×19) v7. Babolat Pure Drive Head: 100sq in Weight: 11.1 oz Balance: 4pt HL Stiffness: 72 Pattern: 16×19, ProKennex Q5 (315 stats in parenthesis… wasn’t sure which you use) Head: 100sq in (100sq in) Weight: 11 oz (11.9 oz) Balance: 4pts HL (8pts HL) Stiffness: 66 (67) Pattern: 16×20 (16×20), Volkl Organix 8 (315 stats in parenthesis) Head: 100sq in (100sq in) Weight: 11 oz (11.6 oz) Balance: 4pts HL (7pts HL) Stiffness: 69 (70) Pattern: 16×18 (16×18). What you feel (all that you feel) is the racquet thump (shock) and vibration in your hand. Wilson Juice 100? Frame stiffness is one of many criteria that can help players make an educated decision selecting a racquet. Racquet stiffness is measured by securing a racquet’s handle to the machine and applying pressure to the tip of the racquet head, which causes the frame to flex slightly. Since then it’s gone on to be one of the largest independently owned website for tennis news and a platform for fans to share their views on the game. The assumption is that as a frame flexes and rebounds during a swing, additional energy passes to the ball. You want to play with HIGHEST MANAGEABLE STATIC WEIGHT/ STRUNG HL BALANCE 6pts +/ RA 67 OR LOWER/ rest is preference. Similarly, tension can increase or decrease comfort with higher tensions increasing the stiffness of the stringbed and lower tensions offering up slightly more comfort. I am considering to switch to the yonex ezone 98 ai with a stiffness of 62 vs the 71 for the babolat. The vibration will continue until the racquet loses energy through internal friction and the damping effect of squashing into the hand. A widely respected German Scientist, Dr Sucharit Bhakdi from the University of Mainz also asked Merkel five questions. My initial recommendation would be to stick with your ProKennex purely from an injury standpoint. Finally don’t think that the bad people in the world have not seen what this does to countries economics. https://t.co/TSMZFMI…, The only means to fight the plague is honesty. Stiffer racquets are more stable at contact and off-centre hits. I used to enjoy coming to the net especially in doubles, but times have changed and I am happy to rally from the baseline. Recieve our brief weekly recap of the 5 most interesting things we dig up in world of tennis. That does not mean that the U.S. and Russia and China and other countries are not studying them. I am 58 years old need more power from racket without te. This unique experience provides you with the opportunity to quietly read a book by the lake, take a swim, go fishing, or sign up for a range of activities like softball, boating, guided nature walks, and tennis. For example, the Wilson Clash 100 Tour, one of the most flexible frames on the market and has an SI of 11.2mm which they claim is 115% more flexible than the leading racket. But no longer have this racquet.. If I get annoyed I’ll just smash a ball into the back wall or fence as I don’t have to worry about being defaulted if it hits a dog walker nearby . For most beginners or players who don’t have a tremendous amount of strength, this would be a significantly more comfortable racquet to play with, even though it has a stiffness rating that is 5 points higher. Originaire de la RDC mais né en France, Axel Disasi a la possibilité de jouer pour les deux sélections. The combined influence of stiffness and mass is measured by the racquet's vibration frequency. There are other machines around from Prince and Gamma, but Babolat is the most widely used and trusted machine out there. That decreases power as it's taking energy away from the ball. This is the initial shock. Does that mean that a player who can't find the court should switch to a more flexible frame and see instant results? Maybe some bandanas post is missing jaja, but so far so good. La RD Congo sera représentée pendant cinq ans dans le Comité Exécutif de la Confédération Africaine de Tennis, « CAT » en sigle. Great question and awesome that you’re paying such close attention to how your son’s gear has the potential to impact his longevity on the court. The handle is a great place to experiment, but I’d also recommend you test lead tape inside the upper portion of the racquet’s head. Thank for your suggestion… Pongchai from Trang Province Thailand…, Hi Ponchai! I guess we’ll see if John Ioannidis is correct https://www.youtube.com/watch?v=d6MZy-2fcBw. My recommendation would be to keep a close eye on it and check in with your son regularly. In my case I have an aero pro drive racquet and since I started using it tennis elbow and shoulder issues started too. When a tennis ball makes contact, the racquet vibrates. Players will often describe racquets with higher-end stiffness ratings as having a crisp or lively feel, which goes along with their higher power and lightweight construction. I suppose his family called him to his senses. Not the correct way to make decisions of such magnitude. I’d written it off long ago with how this was going. At first, it may just appear to be another number in the list of specs provided by racquet retailers. Every other combination falls somewhere in-between. Not every manufacturer uses a Babolat RDC machine, and they are not all calibrated the same way. Discussion Boards Join the conversation with other members of the community. 0:41 – How is Stiffness Measured? The stiffness of the racquet impacts the amplitude, frequency, and how much those vibrations are dampened. Absolutely. Flexible frames are often described as providing a plush feel as they feel more connected with the ball when especially on touch shots such as volleys or drop shots. They come from a place of perfect logic and rational. Stiffer racquets bend less while softer racquets bend more. However, the method is different than Baboat’s, so it’s natural the ratings or numbers used to represent a given racquet’s stiffness are different. Nice post, I think more arm injuries come form poly string than a stiff racquet. Le continent européen à été mouvementé par les deux grandes compétitions des clubs durant deux jours en ses tours préliminaires, le congolais... En RDC, le sport de Karaté est moins apprécie par la plupart des congolais par rapport au football, au basketball ou encore au volley peut être. How could Stan brake one easily like the photo, I wondered when I saw the video clip. Certes il n’est pas certain que l’appel à la raison lancé une nouvelle fois par Denis Sassou N’Guesso soit entendu dès maintenant par ceux auxquels il s’adresse, mais tout indique, en revanche, que l’aggravation continue des effets dévastateurs de l’effondrement de la Libye et notamment la transformation de ce grand pays en une terre de non droit où prospèrent les trafics en tout genre finiront par imposer la solution préconisée par lui en sa qualité de président du Comité de haut niveau de l’Union africaine. Les champs obligatoires sont indiqués avec *, Copyright Africa Top Sports - All Rights Reserved Have you ever broken a racket Jonathan? We hope you love this article. Selecting the Best Tennis Racquet for Tennis Elbow & Golfer’s Elbow. Why Is String Stiffness So Important To Power? Considérons deux raquettes qui ont un poids de 280 grammes et un équilibre situé à 35 cm. If you haven’t yet, I’d also spend some time evaluating your strings as well. I'll look into it.... peRFect Tennis started back in 2011 as a tennis news site. This can allow an opponent to mop up on your short balls, ending points quickly. The number allows you to quickly benchmark which frames are considered stiff or flexible, demo them and see which you prefer, assuming all other specs are similar or equal. So as for my style of tennis I play: I serve mostly slice with the odd flat serve; I play right handed and have a topspin forehand and a single handed topspin b/hand but I mostly use a slice backhand. String Stiffness: The Alpha and Omega of String Performance, How To Measure Your Racquet's Swingweight, Maximum Shot Speed — Where To Hit on the Racquet, Weight, Balance and Swingweight Explained, Tennis Ball Trajectories: Aerodynamic Drag and Lift in Tennis Shots, Tennis Shoe Cushioning: Impact Testing To Compare Tennis Shoes, Tennis Shoe Traction: Developing A Test Rig To Measure Shoe Traction On Tennis Courts, Foam Cushioning Properties: Choosing Material for Tennis Shoe Soles, Hockey Stick Contribution to Puck Speed in Slap Shots, Introduction to the Physics of Hockey Sticks. Toute l'actualité sportive de la RDC en direct sur SPORTS.CD. Bending is directly proportional to the degree of stiffness, for the obvious reason that stiffness is, by definition, resistance to bending. Rien n’est plus important aujourd’hui que de faire entendre avec force la voix de l’Afrique sur la scène internationale comme l’a fait notre président en fin de semaine dernière à propos de la crise libyenne devant l’Assemblée générale des Nations unies réunie en vidéoconférence. Son choix aurait été fait et ce serait les Bleus. On the other hand, flexible frames are often described as having a plush or stable feel. Regardless, a player will typically feel more connected with the ball when hitting and is particularly useful for types of shots that require more finesse, such as volleys or drop shots. Déjà vainqueur en simple et en double messieurs, la RDC disputera se vendredi la dernière finale de la 13e édition de la Coupe d’Afrique des nations de tennis face à la Côte d’Ivoire après le match pour la troisième place opposant le Gabon au Burkina Faso. You might also want to check out this article as a starting point. Required fields are marked *. As you can imagine, this statement is relative. Best of luck with your arm, and please don’t hesitate to reach out with any other questions. My real question is: Have you recovered from the golfer’s elbow yet and how long did it take? The stiffness and mass distribution will determine what that feels like — i.e., the force involved. As an example, the control-centric Wilson Blade 98 (16×19) v7 has a stiffness index or rating of 62, compared with the high-powered Head Titanium Ti.S6, which sits at 75. Join our community of tennis players and participate in the conversation. But there is no golden rule here. How Often Should You Restring Your Tennis Racquet? What’s more, two different racquets with nearly identical stiffness ratings can feel very different for the same player, so your opinion will come into play as you begin to trial racquets. Lead tape and some extra weight is a great way to help increase stability and further reduce vibration and shock. Isn’t turning his fan’s nerves into a wreck one of Fed’s sadistic specialities?… One should have got used to it by now , Oke… I should have posted my comment here I see…. As a result, the more flexible a frame, the more energy it absorbs, which results in a loss in power when hitting. Africa Top Sports est une plateforme AFRICA TOP, Paris sportifs n'ont jamais été aussi pratiques et simples. It is least just below the center of the racquet head, and in fact becomes zero at the location known as the vibration node, or vibration sweetspot. I like the power of the babolat aero pro but the information avalable point a high incidence of arm issues with this racquet. He treats us like adults and gives us responsibility. When a racquet is strung, the stiffness (RA) typically drops 4-6 points, the weight goes up about 15 grams, swing weight goes up, and the racquet becomes more head heavy. It’s certainly worth checking out and taking for a test drive. Plus, at only 3 hours a week, it’s less likely to be an issue. It’s worth noting that the type of strings you’re using, which is ultimately the surface that comes in contact with the ball, also have a dramatic impact on a racquet’s feel. Keep in mind that stiffness is one of a combination of attributes that produce a racquet’s feel. The three most noteworthy include: One of the most common misconceptions with tennis racquet stiffness is that a more flexible racquet – that is one that bends or flexes under pressure – will produce more power than a stiff racquet that doesn’t bend as easily. Abonnez-vous et recevez en live une information ciblée. Combined with your multifilament string NRG2, it should be a solid combo. One time I asked him and saved one of his rackets for myself before he intended to destroy it (I saw it coming), afterwards he came to the bench and destroyed the next jajaja. And there's only one way to figure that out – by demoing it. It’s been 6 months for me and still no relief and playing very little tennis. Nah never broken one, or smashed it against anything. No tournament wants to be seen as negligent. Just be careful, if you press too hard, you can damage your racquet. Is this something you need to pay attention to or just another arbitrary number? 615 adults in Tokyo were prospectively recruited to take Sars-Cov-2 antibody tests. Does it impact how a tennis racquet plays, if so, how by much? Premier portail sportif Africain Your email address will not be published. When a ball hits a racquet, the racquet bends. Un mot de passe vous sera envoyé par email. Prices of all sorts of medical equipment will rise to heaven after this. (Has anyone seen a short video of Fed hitting against the wall under snowing?…). Deux raquettes de tennis peuvent avoir un poids et un point d'équilibre identiques mais des valeurs de swingweight différentes. As covered in the previous section, the stiffer the frame, the more shock, and vibration a player will feel. Maybe Jonathan and people that agree that this has been overblown and I hope they are right, time will tell. This is a static measurement (performed over a much longer time than the impact of a ball) and depends only on the intrinsic forces holding the racquet together and is what we commonly refer to as static racquet stiffness. 1:18 – Example Racquets with High & Low Ratings 1:26 – Racquet Stiffness & Performance 1:56 – Racquet Stiffness & Comfort 2:11 – Stiffness Comparison Chart 2:33 – Demoing Tennis Racquets 2:57 – Additional Comfort Considerations. It will be greeted with reactions of “the right decision” etc. Required fields are marked *. Du coup, songerait à gravir tous les échelons possibles. Dennis. As for the two racquets you’re looking at, my recommendation would be the Wilson Blade 98S. So that does suggest regardless of any stiffness rating, the only measurement that matters is how a racquet feels and performs in a player's hand.