Planks strengthen your core, back, glutes, hamstrings, arms, and shoulders at the same time. They put less strain on your spine and hip flexors than crunches or situps. This article provides 15 plank ...
Strengthening your core can improve your overall fitness abilities (like make you a more powerful runner or skier), can prevent injury or back pain, and improves your posture. Whether you throw in an ...
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