Final answer:
The most common cause of weight training injuries in children and adolescents is poor technique.
Step-by-step explanation:
The most common cause of weight training injuries in children and adolescents is poor technique. Improper form or execution of exercises can put excessive strain on muscles, joints, and ligaments, leading to injuries. It is important for young individuals to learn proper technique and seek guidance from qualified trainers or coaches to minimize the risk of injuries.
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