7 Exercises That You Don’t Ever Want To Do

6. Stomach Crunches

Fitness woman doing v-up crunch ab toning exercise
© Martinmark | Dreamstime Stock Photos

Crunches don’t do what they’re claimed to do which is strengthen the core. The motion of doing crunches promotes bad posture by putting you in spinal flexion. No matter how many crunches you do, they won’t lead to a slim, lean belly. This comes from maintaining an overall workout from head to toe with plenty of cardio.

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