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Keep in mind, there’s a greater risk of injury with sit-ups: “The problem with sit-ups is that it’s very difficult to do the exercise correctly without rounding the lower back, which ...
Master these classic core exercises (they're not the same!). Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us ...
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.
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.
Research has shown that both sit-ups and crunches are mediocre strength-building exercises and have injured many people. [3] In a crunch, unlike a sit-up, the lower back stays on the floor. This is said to eliminate any involvement by the hip flexors, and make the crunch an effective isolation exercise for the abdominals. [5]
Here are a handful of reasons why trainers, exercise scientists, and the US military all dislike traditional crunches and sit-ups, along with their recommendations for better core moves.
Major variants: reverse ~ (curling the pelvis towards the shoulders), twisting ~ or side ~ (lifting one shoulder at a time; emphasis is on the obliques), cable ~ (pulling down on a cable machine while kneeling), sit-up ~ (have [chest] touch your knees), vertical crunch (propping up to dangle legs and pulling knees to the [ chest] or keeping ...
School children perform sit-ups, a common type of calisthenic, during a school fitness day.. Calisthenics (American English) or callisthenics (British English) (/ ˌ k æ l ɪ s ˈ θ ɛ n ɪ k s /) is a form of strength training that utilizes an individual's body weight as resistance to perform multi-joint, compound movements with little or no equipment.