Here’s the truth about planes of movement: the sagittal plane (forward/backward) dominates almost every gym program ever written. Squats, deadlifts, lunges, curls, presses, all sagittal. That’s not inherently bad, but if you never train the frontal (side-to-side) and transverse (rotational) planes, you are building strength in a bubble that doesn’t match how your body actually […]
