The plank is a static exercise that primarily targets the core muscles, but also engages the shoulders, chest, and lower back. To perform a plank, start in a push-up position, then lower your forearms to the ground so that your elbows are directly beneath your shoulders. Your body should form a straight line from your head to your heels. Hold this position for a certain amount of time or for a certain number of repetitions.
In CrossFit, the plank is often used as part of a warm-up or as a core-strengthening exercise. It can also be incorporated into high-intensity workouts that include bodyweight exercises or gymnastic movements. For example, it might be included in a workout that also includes burpees, push-ups, and squats. The plank can be modified to suit different fitness levels by adjusting the duration or the position. For example, the plank can be performed on the hands rather than the forearms to increase the challenge. It can also be combined with other exercises to create more challenging variations, such as plank jacks or plank shoulder taps.
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