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![]() Tennis Racquet TermsBalance Point: The static measure of weight distribution in a racquet, measured from the butt end in inches and/or centimeters. An even balance is 13 ½ inches. With each 1/8 inch representing 1 balance point. So a racquet with a balance point of 14 ½ is 1 inch or 8 points head heavy. Head Heavy racquets offer more power, while Head Light racquets more control. Grip Size: Getting the correct grip size is very important. Most racquets come in three grip sizes 4 Ό, 4 3/8, 4 1/2. The accepted method for measuring your grip size is to hold the handle with an Eastern forehand grip (hand shake grip). The optimum grip size would allow you to fit your index finger between the palm and longest finger. Head Size: Refers to size of the strung area of a racquet and is usually measured in square inches. A smaller head gives you more control and a larger head provides more power and a larger sweetspot. While theres no industry standard, the unofficial classifications are:
Length of a Racquet: Racquet lengths are measured in inches. Junior racquets come is 19, 21, 23, 25 and 26 (full size junior) inches. Most adult frames are 27 inches long, with some of the Player Improvement frames being up to 28 inches for extra power.
Sweetspot: Area on the string bed that provides the greatest power and accuracy with the least amount of vibration. This is the easiest way to summarize the sweetspot, however if there are actually 3 sweetspots on a racquet: Sweetspot 1 is the Center of Percussion (COP) and offers the least amount of initial shock to the hand when struck. Sweetspot 2 is the Nodal Point (or Node) and produces the least amount of vibration when struck. Sweetspot 3 is the area of Maximum Coefficient of Restitution, or a racquet's power. It is the lowest point on the string bed of the 3 sweetspots. Location of sweetspot is determined by several factors, including racquet technologies, balance, racquet weight, racquet length and headsize. Swing Weight: Measure of how heavy a racquet feels when swung.
Swing weight increases as the racquet's weight is distributed more toward the head, so head-heavy and extra-long racquets have a high swing weight in relation to their stationary weight. A high swing weight results in low maneuverability, but generally more powerful groundstrokes.
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