Tag · 3 articles
arm swing
how to·9 min read
Why a Wrist-Worn Sensor Under-Reads Vertical Jump Height
A wrist-mounted jump sensor tracks your arm swing, not your center of mass, and that mismatch quietly shaves centimeters off every jump. Here is the fix.
jump-testing·wearable-placement·cmj
guides·10 min read
Fixing CMJ Eccentric-Concentric Phase Split Errors From Arm Swing and Unweighting Drift
CMJ phase detection error skews RSI and power output when arm swing or fast unweighting move the eccentric-concentric split. Here's how to catch and fix it.
CMJ·phase-detection·arm-swing
how to·9 min read
Abalakov Jump Test: Arm-Swing Vertical Jump Protocol
Step-by-step Abalakov jump test protocol, arm-swing technique cues, how it compares to a standard CMJ, and normative data by athlete level
abalakov-test·vertical-jump·arm-swing