I have just enrolled in a Data Science course on Udemy and I learned good stuff. In this article, we will do a Chi-square test with more than 2 categories. We will use the A/B test « Country » which has 3 categories which corresponds to 3 countries : German, Spain and France. Select « Gender Actual » tab, make […]
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I have just enrolled in a Data Science course on Udemy and I learned good stuff. In this article we will start using statistics. Don’t worry we’ll do something simple, we’ll use the Chi-square test in a basic way. There is a special section to learn how to do statistics at an advanced level. I’ll
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What’s up ? This is THE stephane ANDRE ! I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Lying on your stomach on your hands with your arms extended : Straighten up your chest slowly by tilting your head back slightly Maintain this position for few seconds while breathing slowly to feel the
Action on lumbar curvature of the psoas muscle Psoas muscles have other functions than to be powerful flexors of hip. They put the lumbar spine in lordosis, which increases the arch. I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Abs exercises (especially for rectus abdominis) must work with the
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I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Without taking into account the individual differences in muscle elasticity and ligament laxity, it’s bone shape of the hip joint that determines the main variation in hip mobility. It’s mainly in the amplitude of hip abduction that bone configuration plays an
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I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. Box squat is often used by powerlifters to gain strength to do squat. This exercise involves doing a squat sitting on a bench for 1-2 seconds and returning to the standing position . In classic squat the tension accumulated in the
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I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff. In suspension at the fixed bar with your hands apart with a pronated grip: Inhale and pulls to bring your chest almost to the level of the bar Exhale at the end of the movement Return to the starting position by
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I read a Frederic Delavier’s book « Strength Training Anatomy » and there is good stuff. Standing or sitting with a dumbbell in a hand and your arm in a vertical position : Inhale and flex your arm to bring the dumbbell behind your neck. Back to the start position and exhale at the end of the
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