When you point your toes quickly with your knee straight, your outer calf muscles work harder while the deeper calf muscle works less. This means faster toe-pointing movements naturally target the outer calf muscles more than the deeper ones.

What we have found so far suggests that moving your ankle faster while keeping your knee straight changes how your calf muscles work. Our current analysis shows that the evidence we have reviewed leans toward faster toe-pointing movements increasing activity in the outer calf muscle while reducing activity in the deeper calf muscle. When we look at the data, we see that 26 studies support, 0 studies refute [1]. The evidence we have reviewed leans toward the idea that speed matters when you are pointing your toes. The gastrocnemius is the larger muscle you can feel on the back of your lower leg. The soleus sits just beneath it. Our analysis indicates that quick movements with a straight knee naturally shift the workload toward the outer muscle and away from the deeper one. We want to be clear that this is a partial view that improves over time. The evidence we have reviewed leans toward this specific muscle response, but we continue to track new research as it becomes available. Not every movement or training style will produce the exact same result, and individual anatomy can play a role. For everyday training, this means you can adjust your pace to change which part of your calf feels the work. If you want to focus more on the outer calf, try pointing your toes quickly while keeping your legs straight. If you prefer a steadier effort in the deeper muscle, slow down the movement. We will keep monitoring the research to see how these findings hold up as more data comes in.