Coach Erik SchjolbergDiscover what HackMotion reveals about wrist flexion and extension — and how to fix the exact wrist conditions destroying your ball striking. Data-driven coaching from Coach Erik Schjolberg.
Coach Erik SchjolbergTrying to rotate your hips faster will not fix your swing. Coach Erik Schjolberg explains the kinematic sequence and vertical force matchup.
Coach Erik SchjolbergYou don't have shaft lean because the cause is upstream. Coach Erik Schjolberg breaks down the matchup that actually produces compression.
Coach Erik SchjolbergErik Schjolberg breaks down the physics and sequencing failures that cause a steep downswing — including inertia, kinematic sequence, early extension, and ground reaction forces.