Purpose.The term core strength refers to the strength of these core muscles. Either core muscle strength is usually operationally defined by a measurement of the strength of core muscles, in terms of how much weight/resistance a muscle can lift, how many repetitions a muscle can perform, or how long a muscle can hold a neutral stable position.The purpose of this study was to explore the effects of core strength training on spinning wheel kick and certain physical variables for young female

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... tes. Methods.Participants were 20karate young female athletes (M age = 12.54 years, SD = 1.23) who all regularly participated in Karate training in Egypt. Divided into two groups. The experimental group (n = 10) performed core strength exercisestraining and control group (n = 10) performed traditional exercise. All participants completed the spinning wheel kick test and certain physical variables (balance-core strength-power-reaction speed). Subjects were required to read and complete a health questionnaire and informed consent document; there was no history of injuries, diabetes or recent surgery. Results.The results revealed that a Significant difference between the experimental group and control group in spinning wheel kick test and certain physical variables (balance-core strength-power-reaction speed). Conclusion.The findings indicated that the implication of this research for coaches working with core strength exercises (10) weeks is that to match athlete preferences.