10

I have heard a lot of different answers for this, from six to eighteen. I would like for someone who actually knows what age is appropriate to answer this. Also, how much weight training is safe for children?

  • I think it boils down to preferences and intensity. Personally, I don't think I could consent to anyone less than 12 yrs old from recreationally weightlifting. As for being safe, weightlifting is not guaranteed safe for anyone; don't horseplay around weights; also, listen to your body or you'll hurt yourself and/or others ....this applies to anyone of any age :). – Kneel-Before-ZOD Jan 11 '15 at 22:21
7

Taking Eric and Dave's answers into consideration, we must understand that children's bodies are still developing. They won't have what we consider complete neuromuscular control over their bodies quite yet.

I believe a structured lifting program for children can be a fantastic introduction to controlled multiplanar movement. I believe we tend to throw our kids into sport too early, not taking their developing physiology into account.

One point I would like to drive home is that because your child/ren are still developing, recognize that most of the adaptations will be focused on the central nervous system and its ability to use the body's musculature; that hypertrophy, strength, or power should not be the end goal here. Rather, you should focus purely on movement patterns. Learning how to do an exercise safely and with great form vs. trying to get stronger.

Once they hit puberty, then would be a great time to pursue muscular adaptation alone.

**

9

Pierce, Byrd, and Stone (1999) concluded a structured weightlifting program (including Olympic-style weightlifts such as the clean & jerk, and snatch) can be safely performed by girls and boys, ages 7-16. Interestingly, Faigenbaum et al. (1998) showed that 8 to 12 year-olds that were supervised during maximal lifting resulted in no injuries, demonstrating that even maximum intensity training can be a safe for children when properly supervised.

Source: ExRx.net

6

The medical community and the public in general seems to regard strength training as a general voodoo practice that will "hurt you". Fortunately, this has been getting debunked soundly for over a decade now.

Despite earlier concerns regarding the safety and efficacy of youth strength training, current public health objectives now aim to increase the number of boys and girls age 6 and older who regularly participate in physical activities that enhance and maintain muscular fitness.

The American Academy of Pediatrics recommends strength training for children 8 and up. As a father myself, not all children grow up the same and some kids are quite frankly much more physically gifted than others.

I don't think anyone's recommending throwing a child into a competitive power lifting program on their 8th birthday, and honestly some kids at 8 (or 10, or 12, or 18) simply don't have the attention or care-factor to learn serious strength training and execute it safely.

What I've personally found is that kids tend to play sports much earlier than they can strength train. Those sports and basic calisthenics teach motor control, discipline, and physical prowess. As sports continue to evolve in the 4-10 year old range, you can slowly start introducing targeted body weight activities that aid in their sport development.

From there, you have kids who are:

  • Athletic.
  • Used to spending focused time on physical training.
  • Used to moving their bodies.
  • Used to drills/skills: activities that are not sports themselves, but necessary for helping sports.

That's a pretty good platform to start strength training, and you're using the actual skill development and prowess of the child to gauge further development. When they can safely do 20 body weight squats, they can do a few less with a ten pound barbell on their back or holding a dumbbell at their chest.

-2

According to Aleksi Niemi (in the book Menestyjän kuntosaliharjoittelu ja ravitsemus, 2005) children should not train with heavy weights due to risk of injury. Niemi sites the study www.terveurheilija.fi/materiaalit/getfile.php?file=125 , which has a similar claim in the conclusions, but based on a quick read, the claim is not directly supported by the study. Niemi also cites other sources, but they seem to be chapters in various books and probably are not easy to find online; someone more interested might want to search for them in some Finnish university library. The citations are to sources published in 1989-2004.

Niemi does suggest body weight exercises for young people.

  • 3
    It's weird to advocate against lifting due to injury risk, considering that injury rates for lifting are lower than most field sports, which are widely recommended for children. – Dave Liepmann Jan 13 '15 at 12:31
  • 2
    @DaveLiepmann It indeed is, and even the study cited by Niemi notes that floorball is the most dangerous activity. – Tommi Jan 15 '15 at 9:30
  • I considered asking about the downvotes, but given that my answer is "Book supports A but with flawed evidence.", I guess it is not very useful. So the downvotes are completely justified. – Tommi Jan 15 '15 at 9:36
  • 3
    I didn't downvote. I can't read Finnish and I disagree with the dude's conclusions but it's useful to have this as a research lead. – Dave Liepmann Jan 15 '15 at 9:44

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