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Tag · 17 articles

asymmetry

Asymmetry Percentage: Noise vs. Real Difference in Strength Testing
research·9 min read

Asymmetry Percentage: Noise vs. Real Difference in Strength Testing

A 14% strength gap can flip to 4% on next-day retest with nothing changed. See the typical error formula and 3-session protocol that separate noise from real.

asymmetry·typical-error·statistics
Grip Strength Asymmetry and Injury Monitoring: Testing Protocol, Thresholds, and Correction
research·9 min read

Grip Strength Asymmetry and Injury Monitoring: Testing Protocol, Thresholds, and Correction

A 10%+ grip gap between hands can predate elbow and wrist injuries by weeks. See the dynamometer protocol, threshold table, and retest schedule.

grip-strength·asymmetry·injury-monitoring
Rowing Force Curve Asymmetry: Diagnosing Left-Right Leg Drive Imbalance by Curve Shape
research·9 min read

Rowing Force Curve Asymmetry: Diagnosing Left-Right Leg Drive Imbalance by Curve Shape

A clean 3% peak-force asymmetry can still hide a leg that quits early. See how a rowing force curve's shape flags leg drive imbalance a percentage misses.

rowing·force-curve·asymmetry
Weight-Bearing Lunge Test: Ankle Dorsiflexion Norms and What Side-to-Side Asymmetry Actually Means
research·9 min read

Weight-Bearing Lunge Test: Ankle Dorsiflexion Norms and What Side-to-Side Asymmetry Actually Means

Weight-bearing lunge test norms in 5 categories, the 1.5cm asymmetry cutoff tied to ankle instability, and a common 2-3cm measurement error.

ankle-dorsiflexion·weight-bearing-lunge-test·knee-to-wall-test
Change of Direction Deficit Explained: Calculate Interpret
guides·9 min read

Change of Direction Deficit Explained: Calculate Interpret

Calculate change of direction deficit, interpret it against sprint speed, and use it to design targeted COD training programs.

change of direction deficit·COD deficit·505 test
Handheld Dynamometry: Practical Strength Testing Guide for Coaches
guides·9 min read

Handheld Dynamometry: Practical Strength Testing Guide for Coaches

Handheld dynamometer strength testing done wrong just measures your grip, not the athlete's. Here's the fixation, protocol, and reliability fixes that matter.

handheld-dynamometry·strength-testing·asymmetry
Single-Leg CMJ Asymmetry Testing: Protocol, Norms & Rehabilitation Use
exercises·9 min read

Single-Leg CMJ Asymmetry Testing: Protocol, Norms & Rehabilitation Use

Use the single-leg countermovement jump to detect limb asymmetries, track ACL return-to-sport progress, and guide VBT programming decisions.

single-leg·asymmetry·cmj
Bulgarian Split Squat Velocity Zones: Unilateral Strength Through VBT
exercises·12 min read

Bulgarian Split Squat Velocity Zones: Unilateral Strength Through VBT

Velocity-based programming for the Bulgarian split squat: per-leg load prescription, asymmetry detection, and PoinT GO IMU integration for unilateral VBT.

bulgarian-split-squat·unilateral·vbt
Why Rotational Power Asymmetry Matters: Injury Risk and Performance in Throwing and Striking Sports
research·12 min read

Why Rotational Power Asymmetry Matters: Injury Risk and Performance in Throwing and Striking Sports

A 15% left-right power gap triples injury risk in golf, baseball, and tennis. See the longitudinal IMU thresholds and protocols behind that number.

rotational-power·asymmetry·injury-prevention
How to Test Rotational Power with a Cable Machine: 800Hz IMU Torque Velocity
exercises·12 min read

How to Test Rotational Power with a Cable Machine: 800Hz IMU Torque Velocity

A step-by-step protocol to quantify rotational power using a cable machine and 800Hz IMU. Diagnose torque velocity and asymmetry for baseball, golf.

rotational power·cable exercise·IMU testing
How to Test Single-Leg Asymmetry: A Complete 800Hz IMU Protocol
how to·12 min read

How to Test Single-Leg Asymmetry: A Complete 800Hz IMU Protocol

A 10% gap between legs raises injury risk. This 5-step 800Hz IMU protocol finds single-leg asymmetry and shows how LSI data should change your programming.

asymmetry·single-leg testing·LSI
Unilateral vs Bilateral Training: 800Hz IMU Comparison of Asymmetry, Transfer, and Sport-Specific Ratios
guides·12 min read

Unilateral vs Bilateral Training: 800Hz IMU Comparison of Asymmetry, Transfer, and Sport-Specific Ratios

Which lifts favor unilateral work vs bilateral? 800Hz IMU data reveals asymmetry thresholds, transfer effects, and the ratio that fits your goal.

unilateral training·bilateral training·asymmetry