Film your serve from the right angle. Your coach will see your exact technique issue.
Record from behind the baseline (down-the-line): Shows your arm path, wrist snap, and follow-through
Record from the side (perpendicular): Shows your posture, knee bend, and weight transfer
Record from the opposite baseline (facing you): Shows your contact point and spin
Film 10-15 serves so your coach sees consistency
Use good lighting and a stable phone or tripod
Your grip (continental or eastern)
Your stance (feet position, shoulder alignment)
Your arm path (straight or looped)
Your contact point (height, location, spin)
Your weight transfer (forward or sideways)
Your follow-through (direction, finish)
Serve consistency and accuracy
Spin generation
Contact point precision
Weight transfer efficiency
Arm speed and acceleration
Serve placement patterns
Use SportsReflector to analyze your serve before your lesson. Get instant feedback on your technique, see exactly where your form breaks down, and track improvement over time.
Download SportsReflector