The sit-up is an effective exercise for anyone who wants to train both the abdominals and hip flexors. However, it’s also been shown to impose extremely large compression forces on the discs in your spine. That’s a problem. Bend a wire coat hanger back and forth and, eventually, it will snap. You can’t predict in advance exactly how many bends it will take before it breaks. But you know it’s going to happen sooner or later. Likewise, the discs in your spine can only tolerate so many bending cycles before the accumulated damage manifests itself in the form of pain. Sit-ups may not damage your spine right away. But each set could be moving you one step closer to a crippling back injury that keeps you out of the gym for some time. There are also better abs exercises to choose from. In fact, certain exercises have been shown, in some studies anyway, to work the abdominal muscles harder than sit-ups. These abdominal exercises not only work your stomach muscles but they increase the st...
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