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Strength & Conditioning · 6 min read

Strength Training for Youth Athletes: The Fear Is Older Than the Evidence

Stunted growth, damaged bones, too early, too heavy: the myths are more stubborn than any statistic. Time for an update.

Portrait of Dr. Leonie Brandt

Dr. Leonie BrandtSports Scientist · May 19, 2026

Athlete doing pull-ups, black-and-white shot

No serious professional body warns against supervised strength training for youth athletes anymore. The fear of growth damage dates from a time when loading couldn't be distinguished from overloading.

What the data shows

Properly coached strength training significantly lowers young athletes' injury risk and improves bone density, coordination, and confidence. The injuries everyone fears happen almost exclusively without supervision.

Technique before load, always

The rule is simple: load is added only once a movement is perfect with bodyweight alone. Respect that order, and the weight room becomes the safest place in the club.

“The risk isn't in the barbell. It's in poor coaching.”

Dr. Leonie Brandt

Takeaways.

  • Supervised strength training is safe for youth athletes and protects against injury
  • Bodyweight technique comes before any load
  • Unsupervised training is the real risk