Exercise Machines That Are Just Bad For You

7 Enemy Machines 1. Abs Machine Crunches and sit-ups can cause excessive flexing of the lower back and spine which can result in neck fatigue and back pain. But even worse, is doing this movement on a machine that holds you in an unnatural pose AND in a seated position! Of course you can feel your ab muscles being worked, but it’s not a functional exercise. Remember, your abs are a part of your core which is intended to stabilize your body for movement. If you train in an unnatural position,...

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