Step-by-step, no fluff.
Practical guides for improving athletic performance and training smarter with measurable data.
Setting Up a Reactive Agility Test With Light Gates
Most agility tests never make an athlete decide anything. Here's the light-gate layout, stimulus timing, and scoring that isolates decision speed.
The Rock Climbing Lead Endurance Test: Timing Forearm Pump Onset With a Fingerboard Decay Curve
Grip testing misses when the pump actually hits mid-route. This protocol times hold-time decay across repeated hangs to pin down the exact moment.
Rugby Lineout Elevation Test: Apex Height and Time-to-Peak as a Selection Tool
Two jumpers post the same combine vertical, but only one wins clean lineout ball. Measure apex height and time-to-peak in the lift, with protocol and norms.
Rugby Scrum Push Force Measurement: A Scrum-Machine Load-Cell Protocol for Peak vs Sustained Force
A scrum machine reading one number hides the real story. Split engagement peak from sustained push force with a load-cell protocol, ratios, and cutoffs.
Assessing Single-Leg Deceleration and Landing Control: Scoring Braking, Not Just Height
A single-leg hop that lands soft and quiet still fails half the athletes on braking control. Field protocol, scoring math, and cutoffs for that gap.
Skateboarding Ollie Explosive Jump Test: Measuring Pop Height and Ankle Stiffness
A skateboarding ollie power test that compares bare-jump height to on-board pop height, showing how much explosive power actually survives the trick.
SLAP Labrum in Throwers: Internal-Rotation Strength Gates Before Advancing Throwing Phases
Time-based throwing programs miss SLAP re-injury risk. Internal-rotation strength and GIRD/TROM cutoffs decide when to advance throwing phases.
How to Measure Snatch Turnover Velocity with IMU: Separating Technical and Strength Bottlenecks
Same second-pull speed, different misses. Track turnover velocity with IMU to find out if the limiter is pull-under speed or raw second-pull strength.
Standing Broad Jump: Measuring It the Same Way Every Time
Standing broad jump measurement drifts without a locked toe-line, heel-mark, and landing protocol, backed by real reliability data.
Star Excursion Balance Test: Protocol and Normalizing Reach Distance to Limb Length
A taller athlete's raw SEBT reach looks better on paper, until you normalize to limb length. Full 8-direction protocol, the math, and injury-risk cutoffs.
Table Tennis Multidirectional Movement Agility Test: Side-Shuffle Repeat Decrement Protocol
A single side-step sprint hides how footwork holds up mid-rally. Get the 12-shuttle decrement protocol, formulas, and level benchmarks for table tennis.
Taekwondo Roundhouse Kick IMU Velocity Test: Quantifying Kick Power by Foot Angular Speed
Shin-mounted IMU tracks peak angular velocity per kick, no weight-sensing target needed. Full protocol, skill-level bands, and 2 cited biomechanics studies.