I can hold a plank for 20-30s tops, I think, far shorter after I did other work. I have some ideas tow get more Volume and effect out of a session: hold until perfect form is no more doable, rest 20 ...
Would an isometric deadlift be a good substitute for a normal, barbell deadlift? I know that's difficult to engage as many muscles in the same way as barbell deadlifts. (I read Are there any ...
Background Isometric - holding a weight in the same position. Example: holding heavy bags of groceries. Isotonic - moving the weight through a range of motion. Example: bicep curls. Question How ...