JACK OF ALL SPORTS Jack Nirenstein

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GUIDED MUSCLES WALKING & RUNNING/DVD
Running is not meant to be a contact sport. The ways it is taught by others make you tense opposing muscles, over stride and impact the ground hard. My way teaches you how to contract your proactive muscles while relaxing your antagonist muscles. The so-called experts who tell you to push yourself forward with your gluteus muscles don’t know that it is impossible to do. The gluteus muscles across the back of the hip can’t pull the foot back by itself. The hamstrings muscles across the back of the knee are needed to do that. In order to pull the foot back you would need to release the quadriceps muscles that support the weight of the body. In that case the leg would collapse. After a bout with osteoporosis the champion runner was able to win the masters using my techniqueRunning is not meant to be a contact sport. The ways it is taught by others make you tense opposing muscles, over stride and impact the ground hard. My way teaches you how to contract your proactive muscles while relaxing your antagonist muscles. The so-called experts who tell you to push yourself forward with your gluteus muscles don’t know that it is impossible to do. The gluteus muscles across the back of the hip can’t pull the foot back by itself. The hamstrings muscles across the back of the knee are needed to do that. In order to pull the foot back you would need to release the quadriceps muscles that support the weight of the body. In that case the leg would collapse. After a bout with osteoporosis the champion runner was able to win the masters using my technique


Price $24.99 

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