Speed & Endurance · September 12, 2026
Seven Thousand Feet: What a Week at Altitude Does
Real altitude is a measurable stressor: the slow first day, the dry air, the poor sleep and the output that comes back late.
altitude / endurance↗
A living performance stream
The Research Desk
Notes on studies, testing, training and the quieter decisions that shape performance over time.
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Read the latest notes
Every note names its source trail and its practical boundary.
Testing & Technology · September 11, 2026
Field Measurement Without a Lab
A scale, a ruler and a dated notebook is a field lab. The method is what makes a field number a number you can trust.
measurement / methods↗
Speed & Endurance · September 10, 2026
What a School Track Season Asks of a Young Runner
A track season is a structured load for a teenager: calendar, meets, eligibility and a weekly volume that has to fit a school day.
youth / running↗
Testing & Technology · September 9, 2026
The World Handicap System Turns a Course Into Numbers
The World Handicap System is a field measurement of a course: rating and slope turn difficulty into a number that travels.
measurement / golf↗
Recovery & Sleep · September 8, 2026
The Paperwork After the Injury: Bills and Codes
Recovery includes the bills: the itemized statement, the codes, the duplicates and the federal limits on what can be charged.
recovery / admin↗
Speed & Endurance · September 7, 2026
What an Indoor Team Sport Actually Demands
Handball read as a load profile: short sprints, contacts, jumps and effective playing time, measured by position.
team-sport / load↗
Training & Strength · September 6, 2026
Cotton, Merino, or Synthetic: Choosing Base Layers by Fabric
A base layer is a materials decision: how the fabric handles sweat, repeat sessions and a hundred washes decides its real cost.
equipment / durability↗
Speed & Endurance · September 5, 2026
Canicross as a Measurable Training Load
Running with a dog is structured aerobic work with a second engine. Pace, heart rate and format make it countable.
running / conditioning↗
Research & Protocols · September 4, 2026
Repeatable Precision in a Fixed-Distance Sport
A precision routine is a protocol before it is a habit. What makes it repeatable is that it is written down.
protocols / precision↗
Movement & Biomechanics · September 3, 2026
The Hold Under Pressure: What a Damp Hand Does to the Grip
Grip is a measurable interface. Humidity changes the friction, the squeeze and the confidence in the same minute.
grip / biomechanics↗
Testing & Technology · August 24, 2026
Countermovement Jump Protocol: A Practical Guide
A repeatable field setup for the jump test, with the choices that make a score worth keeping.
testing / neuromuscular↗
Training & Strength · August 23, 2026
Velocity-Based Training: What the Evidence Says
Velocity feedback can sharpen load decisions, but the research does not support a universal replacement for percentage-based training.
strength / evidence↗
Movement & Biomechanics · August 22, 2026
Force-Velocity Profiles: From Test to Decision
A force-velocity profile is a model of a task, not a complete portrait of an athlete.
biomechanics / power↗
Recovery & Sleep · August 21, 2026
Sleep Tracking for Athletes: Signal or Score?
Wearables can make sleep visible, but a neat readiness number can hide uncertainty in the measurement.
sleep / wearables↗
Speed & Endurance · August 20, 2026
Sprint Acceleration Testing Without a Lab
A timing gate is only as useful as the start rule, distance, surface and repeatability around it.
speed / testing↗
Movement & Biomechanics · August 19, 2026
Movement Screening: What It Can Tell You
Screens can organise a conversation about movement. They cannot predict an individual future from one score.
movement / screening↗
Recovery & Sleep · August 18, 2026
Deloading for Performance: A Decision Framework
A deload is a change in training stress made for a reason, not a ritual week on a calendar.
recovery / programming↗
Speed & Endurance · August 17, 2026
Threshold Training Without the Hype
Threshold is a useful training idea only when the intensity, duration and purpose are named.
endurance / conditioning↗
Training & Strength · August 16, 2026
Plyometric Training: Readiness Before Volume
The quality of a jump or landing session depends on more than a contact count.
power / readiness↗
Testing & Technology · August 15, 2026
What Sports Wearables Measure, and Guess
A sensor can collect data without making the interpretation valid.
technology / data↗
Movement & Biomechanics · August 14, 2026
Landing Mechanics: A Field Guide
Observe the landing task in context before assigning a label to the athlete.
biomechanics / jumping↗
Recovery & Sleep · August 13, 2026
Readiness Is Not a Score
Readiness is a decision context made from repeated signals, not a coloured ring on a dashboard.
monitoring / recovery↗
Speed & Endurance · August 12, 2026
Running Economy: Field Notes
Running economy is a relationship between speed and cost, not a single technique cue.
running / testing↗
Research & Protocols · August 11, 2026
Test-Retest Reliability: What Dashboards Hide
A test that cannot repeat under the same conditions should not drive a precise decision.
measurement / methods↗
Research & Protocols · August 10, 2026
How to Read a Sports Science Study
A short reading workflow for moving from an abstract to a decision without overstating the evidence.
research / reading↗
Training & Strength · August 9, 2026
Velocity Loss and Strength Training Fatigue
Velocity loss can describe fatigue within a set, but a cut-off is not a universal prescription.
strength / fatigue↗
Recovery & Sleep · August 8, 2026
Sleep Duration and Performance: Start With Baseline
Sleep advice becomes useful when it begins with opportunity, regularity and the person’s real schedule.
sleep / performance↗
Testing & Technology · August 7, 2026
Heart Rate Variability Needs Context
HRV is a signal shaped by measurement conditions, physiology and life outside training.
monitoring / physiology↗