Is strength training safe for kids? The international consensus says yes — with supervision

Few gym myths have survived as long as the one about kids and weights — that resistance training stunts growth or damages growth plates. The 2014 international consensus, authored by the leading bodies in pediatric exercise science, sports medicine and strength and conditioning, exists to put the field's collective answer on record.

That answer: appropriately supervised resistance training is safe for children and adolescents, and beneficial. Properly programmed, it supports general health, builds the strength foundation that protects against sports injury, and improves performance. The documented injuries attributed to youth lifting overwhelmingly trace to unsupervised settings, poor technique and inappropriate loads — the absence of the conditions the consensus requires, not the presence of the training.

The endorsement is explicitly conditional, and the conditions are the point: qualified supervision, technique before load, and progression matched to the young athlete's stage of development rather than to a program written for adults.

It is worth being clear about what this document is: a position statement — structured expert agreement on the accumulated evidence — rather than a new trial. But it aligns with the randomised evidence that does exist, including the meta-analyses showing strength training is the single most protective form of exercise against sports injury. For parents of competitive kids, the practical question is not whether their child should strength train, but who is supervising it.

Key findings

• International position statement from the field's governing expert bodies in pediatric exercise science, sports medicine, and strength and conditioning.
• Appropriately supervised, qualified-led resistance training is endorsed as safe for children and adolescents.
• Properly programmed training benefits health, injury resilience and athletic performance in youth.
• The old fear that lifting damages growth plates is not supported when training is competently supervised and programmed.
• This is a consensus statement, not a trial — its authority is expert agreement on the accumulated evidence, and its conditions (qualified supervision, appropriate progression) are part of the endorsement.

Clinical relevance

Parents ask us this question every season. The field's governing answer is the one our athletic-development programming is built on: strength work for young athletes is safe and protective when a qualified professional programs and supervises it — which is exactly the service our kinesiologists and athletic trainer provide.

Prepared by the Volt Health team as an educational summary of the cited publication. It is not medical advice; assessment and treatment decisions should always be made with a qualified health professional.