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A Body Shape Index (ABSI) [1] or simply body shape index (BSI) is a metric for assessing the health implications of a given human body height, mass and waist circumference (WC). The inclusion of WC is believed to make the BSI a better indicator of risk of mortality from excess weight than the standard body mass index .
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity, it provides a rapid visual and anthropometric tool for health evaluation. [1] Introduced in 2013, the BRI calculation can be used to estimate total and visceral body fat.
Pro tip: “Crunches can sometimes feel repetitive, but I find that when they do, I just add a twist—pointing one elbow toward opposite knee—to spice things up or crunch to the beat of a song ...
Crunch. The crunch is performed while lying face up on the floor with knees bent, by curling the shoulders up towards the pelvis. This is an isolation exercise for the abdominals. Equipment: body weight, dumbbell or crunch machine.
Learn about crunches versus sit-ups, including the muscles they work and how to perform them properly. Plus, why other core exercises are actually better. Crunches vs. Sit-Ups: Is One Exercise ...
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The crunch or curl-up is an abdominal exercise that works the rectus abdominis muscle. [1] It enables both building and defining "six-pack" abs and tightening the belly. Crunches use the exerciser's own body weight to tone muscle and are recommended by some experts [ like whom? ] , despite negative research results [ citation needed ] , as a ...
Reverse crunches work your oblique muscles and the rectus abdominis, the pair of muscles that run vertically down the core and are responsible for giving your core that “six-pack” look.