Are you rotating the shoulder in the concentric phase of the triceps dip?

In the concentric phase of the triceps dip, the primary focus is on extending the elbows to engage the triceps rather than rotating the shoulder. While the shoulders do play a role in stabilizing the movement, excessive shoulder rotation can lead to strain and improper form. Ideally, the shoulders should remain stable and aligned to maximize triceps engagement and minimize the risk of injury.