With correct technique up to 25% more power is generated think unscrewing a screw with your back foot.also adam looking at your picturers bend the back knee another 5%
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With correct technique up to 25% more power is generated think unscrewing a screw with your back foot.also adam looking at your picturers bend the back knee another 5%
Pain lasts a only a minute, but the memory will last forever....
boxingbournemouth - Cornelius Carrs private boxing tuition and personal fitness training
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