Core Exercise 1: The Plank: This quick core routine begins with the plank exercise. The plank provides a great warm-up that engages all the muscles of the core: the rectus abdominis, the internal and external obliques, transversus abdominis, the hip flexors, the erector spinae and multifidus. Begin in the pictured position. Keep your torso straight … Continue reading Quick Core Workout Routine!!
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