See It · Muscle Physiology

Contraction Walkthrough

From a nerve signal to a moving muscle, one step at a time. Go at your own pace. Nothing here is graded.

Speed

Think of it like this

Quick check

Wrong answers are fine here. Read why, then try again.

Dr. Akash Garg · See It: Anatomy & Physiology · Tip: use the left and right arrow keys to move between steps. Pair this with the Contraction Chain sorting game.