— This tag provides in-depth tactical breakdowns and strategic insights, particularly in sports like rugby and Formula 1, and political or business strategy. —

Monday, July 13, 2026 streamed.news From video to newspaper

Shift From 'Chest Fly' to Shoulder Rotation to Unlock Serve Power
Sports

Shift From 'Chest Fly' to Shoulder Rotation to Unlock Serve Power

Many players use a "chest fly" motion, a form of horizontal shoulder adduction, which limits power and constitutes a "push serve." To fix the root cause of this mechanical flaw, the focus must shift entirely to shoulder rotation. The key is to keep the hand next to the ear at contact, avoiding the c

a year ago