Knowledge Hub
Science-backed guides for parents and coaches on growth, PHV, and injury risk.

Understanding Growth & PHV (Parents)
What PHV means, why timing matters, and how to support training decisions.
GrowthRead →

Injury Risk & Rapid Growth (Parents)
How growth spurts change risk and what to watch for at home.
InjuryRead →

Injury Risk & Rapid Growth (Coaches)
Spot high-risk phases, adjust load, and keep squads healthy.
InjuryRead →

Understanding Prediction Error
Find out more about the error rates for our model
InjuryRead →

Training adaptations through growth
Find out more about the error rates for our model
TrainingRead →

What is Growth & Maturation?
Understanding how children grow and mature is key to supporting their development during school-age and adolescent years.
BasicsRead →

Peak Height Velocity: The Growth Spurt
What PHV really means, why temporary awkwardness is normal, and how to support your child through rapid growth.
BasicsRead →

Understanding Predicted Adult Height
Learn how PAH percentages help explain why children of the same age develop differently and what it means for readiness.
BasicsRead →

Understanding Growth Rates
How year-on-year growth patterns reveal important trends in your child's development and what to look for over time.
BasicsRead →

How Growth Impacts Training & Performance
Discover how growth stages influence skill acquisition, training tolerance, and when to adjust expectations for young athletes.
TrainingRead →

How to Interpret Your MatCalc Assessment
A comprehensive guide to reading each section of your assessment—from PHV status to growth rate charts and markers.
AssessmentRead →
When to Repeat & Track Changes
Why regular measurement every 3-4 months reveals the most meaningful insights and improves prediction accuracy over time.
AssessmentRead →