Guest guest Posted August 13, 2000 Report Share Posted August 13, 2000 Mike Poling: Just a few things regarding the Bibliography which follows: #1. My point has never been that weightlifting is bad for children...far from it. The point HAS been that for the average children, which is what most children are, High Intensity Weight training with heavy loads is dangerous and unnecessary for strength gains, as shown in several of the studies I've referenced. #2. Several of the articles I have referenced support weight lifting as a fantastic means of exercise, fun and sport for children. I DO NOT DISAGREE. But read the article. The programs they have used are NOT powerlifting programs nor do they deal with the heavy weights we were discussing...They deal with a moderate level routine. #3. I need to re-cant something I wrote to Mel...about the permanent adhesions...I got my research twisted...those studies were done on adolescent baseball pitchers, not weight lifters so in the scope of things, I can't really use them as a basis for support. #4. Everyone seems to like referencing Faigenbaum AD; Westcott WL; Loud RL; Long C, 1999. Fine and dandy...has anyone READ the article? It concludes by saying that a moderate training protocol versus a heavy training protocol is less risky, produced better results (40.9 % gain versus 30.1% gain) and is recommended for adolescents. I fail to see how this can be misinterpreted. #5. Mel, you stated in a previous post that there were no studies linking epiphyseal plate damage to heavy, high intensity weight training. I think you'll find 3 on my list. All from peer-review journals, i believe. #6. , I have reviewed your web-page about your daughter...very nifty article! Again...it looks to me like you are one of those coaches that spends the time learning, training and coaching with your athlete...My point is, very few coaches do. And they are reading this post, just like you are. So when you say to someone, " It is safe to do high intensity, heavy weights of 275 lbs with a 12 year old " , they listen to that and, as one private e-mail said to me, " I was going to try increasing my son's squat by 50 lbs to get him going " ...this from a father who spends 20 minutes coaching his sone, who works out for 1 hour and has been lifting for about 4 weeks (the e-mail wasn't clear, but that was the mentioned time-frame). So that info is getting to people who are NOT putting in the time, training and learning. THAT has been my point all along! There are always exceptional children, and they can be produced, but you took a long time (judging by your web page) to get your daughter there...I think you need to be clear when you talk about this online, because to others, it seems as though you are saying it is perfectly safe to go ahead...and it isn't...there are risks, and more risk with heavier weight. You have chosen to learn ways to reduce risk, but you can't eliminate it. Two things, though. The web page said that Meagan had to get special permission to participate in the competitions as a 12 year old...why do you think that is? this is right off the CPU website, as well... " In the compression type of injury, the trauma is directed mostly to the joint itself. This type of injury has little or no tearing of the tissues and swelling, if present, is limited to the joint capsule. The stress of the weight effects mechanoreceptors and nociceptors ( little receptors that give the body information about position, load and pain) in the joint structure. This type of injury appears to affect the internal structures of the joint that can exhibit a common finding of mutiple muscle weaknesses, especially muscles that cross that joint. Joints that can be affected by this is the ankle, knee, lumbar, thoracic, cervical joints. The exercises that can affect these joints are usually ones with heavy axial loading such as heavy squats, deadlifts, shoulder presses, etc.. These heavy loads can compress the joints enough to create an abnormal firing of joint receptors and change the normal tone and strength of the muscles that surround that joint. Repeated joint traction of these joints can normalize the firing of the joint receptors and reestablish the normal tone and strength of the muscles. " And this was referencing adults who are fully developed and lifting competitively. So your associations own website is acknowledging the heavy weight loads and risks associated with lifting in adults...do you honestly believe that risk is equal in children? They are not fully developed, haven't got the same power to size ratio, haven't got the same postural support from musculature and haven't the same rigidity in their skeletal structure. Yes...it can be developed, but the studies I've referenced in the bibliography clearly show that BMD and BMC (bone mineral density and bone mineral content) are gained in both heavy and moderate levels of weight lifting in approximately the same amount, some studies finding better results in moderate level lifting. Finally, Mel, with regards to the Heavy versus Moderate. I think we are talking semantics here. Heavy is near to maximal (my vote would be 85% of 1 RM and above, but that's just experience and a bit of 1980's research talking) and moderate is middle ground. (again, my vote being 60-80% of 1RM) Now that I've hopefully cleared up what I meant and have provided the research, can we stop being so defensive about our sports? It's a great sport, but we take precautions in every sport...but the general population doesn't regard weight training as a sport...they regard it as a means to an end...better participation in their chosen sport. Sorry, but it is true...that's what the population sees...whether or not that's the way it really is. --------------------------------- BIBLIOGRAPHY Faigenbaum AD; Westcott WL; Loud RL; Long C, (1999), The effects of different resistance training protocols on muscular strength and endurance development in children., Pediatrics, Jul, 104:1, e5. Lipp EJ, (1998), Athletic physeal injury in children and adolescents., Orthop Nurs, 1998 Mar, 17:2, 17-22. Specker BL; Mulligan L; Ho M, (1999), Longitudinal study of calcium intake, physical activity, and bone mineral content in infants 6-18 months of age. ,J Bone Miner Res, 1999 Apr, 14:4, 569-76 Bachrach LK , (2000), Making an impact on pediatric bone health, J Pediatr, 2000 Feb, 136:2, 137-9. Courteix D; Lespessailles E; Obert P; Benhamou CL, (1999), Skull bone mass deficit in prepubertal highly-trained gymnast girls. , Int J Sports Med, 1999 Jul, 20:5, 328-33. Schwarz P; Bülow JB; Kjaer M, (1999), Bone metabolism and physical training,Ugeskr Laeger, 1999 Apr, 161:17, 2522-5. Bradney M; Pearce G; Naughton G; Sullivan C; Bass S; Beck T; Carlson J; Seeman E , (1998), Moderate exercise during growth in prepubertal boys: changes in bone mass, size, volumetric density, and bone strength: a controlled prospective study, J Bone Miner Res, 1998 Dec, 13:12, 1814-21. Branca F, (1999), Physical activity, diet and skeletal health., Public Health Nutr, 1999 Sep, 2:3A, 391-6. Schönau E, (1998), The development of the skeletal system in children and the influence of muscular strength., Horm Res, 1998, 49:1, 27-31. Sothern MS; Loftin JM; Udall JN; Suskind RM; Ewing TL; Tang SC; Blecker U, (1999), Inclusion of resistance exercise in a multidisciplinary outpatient treatment program for preadolescent obese children., South Med J, 1999 Jun, 92:6, 585-92. Lappe JM; Recker RR; Weidenbusch D, (1998), Influence of activity level on patellar ultrasound transmission velocity in children., Osteoporos Int, 1998, 8:1, 39-46. Kotaniemi A; Savolainen A; Kröger H; Kautiainen H; Isomäki H, (1999), Weight-bearing physical activity, calcium intake, systemic glucocorticoids, chronic inflammation, and body constitution as determinants of lumbar and femoral bone mineral in juvenile chronic arthritis., Scand J Rheumatol, 1999, 28:1, 19-26. Matkin CC; Bachrach L; Wang MC; Kelsey J, (1998), Two measures of physical activity as predictors of bone mass in a young cohort., Clin J Sport Med, 1998 Jul, 8:3, 201-8. Doré E; Bedu M; França NM; Diallo O; Duché P; Van Praagh E, (2000), Testing peak cycling performance: effects of braking force during growth., Med Sci Sports Exerc, 2000 Feb, 32:2, 493-8. Blimkie CJ, (1993), Resistance training during preadolescence. Issues and controversies., Sports Med, 1993 Jun, 15:6, 389-407. Haskell WL; Montoye HJ; Orenstein D, Physical activity and exercise to achieve health-related physical fitness components., Public Health Rep, 1985 Mar, 100:2, 202-12 Webb DR, Strength training in children and adolescents., Pediatr Clin North Am, 1990 Oct, 37:5, 1187-210 Risser WL, Weight-training injuries in children and adolescents, Am Fam Physician, 1991 Dec, 44:6, 2104-8. Risser WL; Risser JM; Preston D, Weight-training injuries in adolescents, Am J Dis Child, 1990 Sep, 144:9, 1015-7. Maffulli N, Intensive training in young athletes. The orthopaedic surgeon's viewpoint., Sports Med, 1990 Apr, 9:4, 229-43 . Current comment from the American College of Sports Medicine. August 1993-- " The prevention of sport injuries of children and adolescents " ., Med Sci Sports Exerc, 1993 Aug, 25:8 Suppl, 1-7. Birrer RB; Levine R, Performance parameters in children and adolescent athletes, Sports Med, 1987 May, 4:3, 211-27 Stanitski CL , Common injuries in preadolescent and adolescent athletes. Recommendations for prevention, Sports Med, 1989 Jan, 7:1, 32-41 Cook PC; Leit ME, Issues in the pediatric athlete, Orthop Clin North Am, 1995 Jul, 26:3, 453-64. Mazur LJ; Yetman RJ; Risser WL, Weight-training injuries. Common injuries and preventative methods. , Sports Med, 1993 Jul, 16:1, 57-63 Gerrard DF, Overuse injury and growing bones: the young athlete at risk., Br J Sports Med, 1993 Mar, 27:1, 14-8 Lillegard WA; Brown EW; DJ; R; E, Efficacy of strength training in prepubescent to early postpubescent males and females: effects of gender and maturity., Pediatr Rehabil, 1997 Jul, 1:3, 147-57. Risser WL, Musculoskeletal injuries caused by weight training. Guidelines for prevention, Clin Pediatr (Phila), 1990 Jun, 29:6, 305-10. Marsh JS; Daigneault JP, The young athlete, Curr Opin Pediatr, 1999 Feb, 11:1, 84-8 . Emery HM, Considerations in child and adolescent athletes, Rheum Dis Clin North Am, 1996 Aug, 22:3, 499-513. Rians CB; Weltman A; Cahill BR; Janney CA; Tippett SR; Katch FI, Strength training for prepubescent males: is it safe?, Am J Sports Med, 1987 Sep, 15:5, 483-9. Metcalf JA; SO, Strength training and the immature athlete: an overview, Pediatr Nurs, 1993 Jul, 19:4, 325-32. McManama GB Jr, Ankle injuries in the young athlete, Clin Sports Med, 1988 Jul, 7:3, 547-62. Caine D; Howe W; Ross W; Bergman G, Does repetitive physical loading inhibit radial growth in female gymnasts? , Clin J Sport Med, 1997 Oct, 7:4, 302-8 ------------------------------------------- Quote Link to comment Share on other sites More sharing options...
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