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Well, range of motion and stretch aren’t really valid criticisms for plank IMO. It’s intended to train your core to resist extension forces and train proper neutral posture under load in your lower back. Cable crunch doesn’t do that, and in the context of lower back pain, crunches could be detrimental. With the plank, there is progressive overload, if you do more than one set and you progress the exercise. This might look like an appeal to authority, but the trainers and physiotherapists I learned from state that.
You’re free to believe it’s a shit exercise, but I have personally benefited from it, and so have my clients.
Well, range of motion and stretch aren’t really valid criticisms for plank IMO. It’s intended to train your core to resist extension forces and train proper neutral posture under load in your lower back. Cable crunch doesn’t do that, and in the context of lower back pain, crunches could be detrimental. With the plank, there is progressive overload, if you do more than one set and you progress the exercise. This might look like an appeal to authority, but the trainers and physiotherapists I learned from state that.
You’re free to believe it’s a shit exercise, but I have personally benefited from it, and so have my clients.