Tag · 3 articles
track and field testing
how to·10 min read
The Discus Rotational Release Velocity Test: Acceleration Phase vs Release Instant
Trunk angular velocity climbs but release velocity stalls. The two-sensor protocol, transfer-ratio bands, and cited biomechanics behind where power leaks.
discus·rotational-velocity·imu-measurement
how to·12 min read
Measuring Discus Rotational Velocity: Where Release Speed Actually Leaks
Turn two clocks faster than turn one on your wrist IMU, but release velocity hasn't budged in weeks. Here's the turn-by-turn breakdown that finds why.
discus·rotational-velocity·imu-measurement
how to·11 min read
Javelin Release Velocity Measurement Guide: Combining Radar and Video Frames
A radar gun locks onto the sprinting body, not the thin javelin shaft. Here's the frame-count video check that catches the error before it costs a session.
javelin·release-velocity·radar-measurement