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There are two major types of muscle contractions - Isometric and Isotonic. Isotonic - This is the "typical" type of muscle contraction, in that it produces movement. The muscle contracts and shortens, and causes movement, such as bringing the hand to the shoulder for a bicep curl. Isometric - This is a contraction where the muscle does not shorten, ...


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In the context of your question, it means flexing the abs so that the muscles contract without actually changing the angle or the length of the muscle. By starting the movement with an isometric contraction, you ensure that that the abs will get the maximum benefit from the exercise. Isometric contractions are typically used in rehab settings, but, can ...


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Bret Contreras's article, Best Ab Exercises uses EMG to test which exercises best activate the abs. (EMG or electromyography records the electrical activity of muscles.) Bret charts the mean and peak activation for each muscle, for each exercise. The mean activation is the average level of muscle contraction throughout the exercise motion. Muscles can ...


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this exercise here @ https://www.youtube.com/watch?v=GxV54ivkt3A is the best becasue your abs are actually your prime movers as opposed to other exercises where your abs just statically contract and instead of actuallyy causing a movement


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Hi Sanoj, At your current height and weight, you're not fat (healthy weight, ideal weight based on height, and BMI calculation). As a result, I highly doubt that dieting would help you achieve your goal. Since you're not fat and you have a belly fat, it's likely as a result of your current lifestyle (unless it's a medical condition). Do you sit a ...


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Despite everything that is expressed by nutritionists and fitness gurus, the truth is we're all different, and we're all genetically programmed to deal with fat metabolism differently. Think about all the people you know, and how much their diets seemingly don't reflect what their size. I say this at the beginning because people shouldn't always beat ...


4

The Problem with Ab Exercises Most ab workouts/routines you see are mostly if not entirely composed of bodyweight exercises. These are great for beginners, because there is such a sharp learning curve due to the high body weight and lack of muscle. Unfortunately, they have a significant disadvantage. The problem is as your muscle grows stronger and adapts ...


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As for "defined abs" just lose enough bodyfat to "see" your abs so in that case... NO EXERCISE by itelf gives you defined abs you just need to lose fat with diet and exercise (cardio and intervals)


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Rectus abdominis is so named because it erects the torso. Any movements that require torso erection will work best to strengthen the abs. Exercises that specifically target the abs (such as crunches and situps) won't generate anywhere near the tension in the abs that exercises like deadlifts and squats can. Apparently no exercise generates higher forces ...



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