Most Tennis Players Lose Serve Power Right Here (45° Shoulders)

Most players think the serve is all about the arm—but the real source of power and control starts with the shoulders. 6 free tennis lessons! https://performanceplustennis.com/?ff... In this video, John Craig explains how elite servers create a near 45-degree shoulder angle in both the trophy position and at contact, and why this alignment is one of the biggest keys to a powerful, repeatable serve. When your shoulders are positioned correctly, they help you: • Generate effortless racquet-head speed • Create better upward swing path and pronation • Improve balance and timing throughout the motion • Gain more control without forcing the arm This shoulder tilt is what connects loading to explosion—and without it, most serves lose both pace and consistency. If you want a serve that feels stronger, smoother, and more reliable under pressure, mastering shoulder positioning is essential.