http://www.retzevcombatstl.com/KravMaga Hi I'm David Martin race car driver. Driving a Formula one race is physically very, very tough. My neck, shoulder arms and legs can be pushing up to 40.000kg per race. During the corners and even under braking 5g can be acting on my body which is 5 times
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firstPOSTLINK http://www.selfdefensetraining.com/
Israel Defense System Blog
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