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The stomach vacuum is an isometric ab exercise that strengthens the core. Physical therapists say it's effective at working the abs and reducing back pain. This viral ab exercise looks like a hoax ...
Abdominal exercises are a type of strength exercise that affect the abdominal muscles (colloquially known as the stomach muscles or "abs"). Human abdominal consist of four muscles which are the rectus abdomens, internal oblique, external oblique, and transversus abdominis. [1] When performing abdominal exercises it is important to understand ...
Sit-up form. The sit-up is an abdominal endurance training exercise to strengthen, tighten and tone the abdominal muscles.It is similar to a curl-up (that target the rectus abdominis and also work the external and internal obliques), but sit-ups have a fuller range of motion and condition additional muscles.
Abdominizer. The Abdominizer (often spelled Abdomenizer) was an abdominal exerciser invented in 1984 by Canadian chiropractor Dennis Colonello [1][2] and marketed through infomercials [3] by the Fitness Quest corporation of Canton, Ohio, selling around six million. It was designed to protect the lower back during sit-ups.
Crunch (exercise) Performing the crunch. 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 ...
The rectus abdominis is an important postural muscle. It is responsible for flexing the lumbar spine, as when doing a crunch. The rib cage is brought up to where the pelvis is when the pelvis is fixed, or the pelvis can be brought towards the rib cage (posterior pelvic tilt) when the rib cage is fixed, such as in a leg-hip raise.
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