Related Experiment Video
Updated: May 9, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
Published on: July 5, 2017
Strength training for children and adolescents: benefits and risks
Davide Barbieri1, Luciana Zaccagni
1University of Ferrara, Department of Biomedical and Specialty Surgical Sciences, Ferrara, Italy. davide.barbieri@unife.it
Early strength training for children and adolescents is safe and beneficial when supervised. This review found no scientific basis for delaying intense physical activity, highlighting improved health and motor skills.
Area of Science:
- Sports Medicine
- Pediatric Exercise Science
- Physical Therapy
Background:
- Conventional advice often suggests delaying intense strength training until after puberty.
- Concerns about early strength training are largely anecdotal, lacking scientific evidence.
- Physical activity is crucial for disease prevention and overall health in youth.
Purpose of the Study:
- To scientifically evaluate the risks and benefits of early strength training in children and adolescents.
- To determine if concerns regarding early initiation of strength training are scientifically supported.
- To review the existing literature on strength training for young populations.
Main Methods:
- Systematic review of current scientific literature.
- Analysis of studies on the effects of strength training in pre-pubescent and adolescent subjects.
- Examination of safety protocols and reported outcomes.
Main Results:
- Current literature shows no significant aversion to strength training in children and adolescents when safety guidelines are followed.
- Benefits include improved motor skills, enhanced body composition (increased fat-free mass, reduced fat mass), and better bone health.
- These benefits are particularly noted when training begins during the pubescent period.
Conclusions:
- Strength training is a safe and healthy practice for children and adolescents.
- Adherence to safety rules, including medical clearance, qualified supervision, and progressive overload, is essential.
- Early initiation of strength training, when conducted appropriately, offers significant health and performance advantages.
Related Concept Videos
Exercise and Muscle Performance
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Exercise and Cardiovascular Response
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Isotonic and Isometric Muscle Contractions
Isotonic contractions
Isotonic contractions occur when a muscle changes length while the...
Changes in the Appendicular Skeleton with Age
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Bullying
Exercise and Cardiac Output
Sustained exercise increases the muscles' oxygen demand, which can be met...
