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Tuesday, August 9, 2011
early sport specialization 0R early athletic specialization?
1997 was a landmark year for young athletes, burgeoning internet gurus, and helicopter parents. As Tiger Woods drained the final putt of a record-setting performance at the Masters, millions of parents, coaches, and educators watched in awe. Tiger's first TV golf appearance was at age 2(!). By age 21 he was the most formidable force in the sporting world. Either conscious or sub-conscious, these well-documented facts galvanized the early specialization movement. Best-selling books such as Outliers, The Talent Code, and Bounce are wonderful accounts of the grueling ascent to expertise. However, they might create as much trouble as inspiration. The message received by parents and coaches often places early specialization into one sport above the value of diverse movement. More importantly, it's held high above "play." While there may be more Tigers-in-progress than ever before, we've also seen a rapid rise in youth sport overuse injuries. Click here for the rest....
Monday, May 2, 2011
early sport specialization may lead to an increased injury rate
Competitive young athletes are under increasing pressure to play only one sport year round, but such specialization could increase the risk of injuries, a Loyola University Health System study has found.
Preliminary findings of the ongoing study included 154 athletes from all types of sports, with an average age of 13. They came to Loyola for sports physicals or treatment of injuries. The injured athletes had a significantly higher average score on a sports specialization scale than athletes who weren’t injured.
“Young athletes who were injured tended to have more intense specialized training in one sport,” said Dr. Neeru Jayanthi, medical director of primary care sports medicine at Loyola and senior author of the study. “We should be cautious about intense specialization in one sport before and during adolescence. Parents should consider enrolling their children in multiple sports.”
Jayanthi presented the findings May 2 at the annual meeting of the American Medical Society for Sports Medicine in Salt Lake City.
The current study is a follow up to an earlier study of 519 junior tennis players, in which Jayanthi and colleagues found that players who specialized in tennis were more likely to be injured during tournaments than players who participated in multiple sports.
Jayanthi said findings from the studies provide new support for an American Academy of Pediatrics 2000 policy statement on intensive training and sports specialization in young athletes. The academy said kids should be discouraged from specializing in a single sport before adolescence. Young athletes “should be encouraged to participate in a variety of different activities and develop a wide range of skills.”
The current study included 85 young athletes who were treated for sports injuries and a comparison group of 69 noninjured athletes who came to Loyola for sports physicals.
Researchers graded athletes on a six-point sports-specialization score:
* Trains more than 75 percent of the time in one sport.
* Trains to improve skill or misses time with friends.
* Has quit other sports to focus on one sport.
* Considers one sport more important than other sports.
* Regularly travels out of state.
* Trains more than eight months a year, or competes more than six months.
On the six-point scale, the average sports-specialization score of uninjured athletes was 2.75, while the average score of injured athletes was 3.49.
The study found that 60.4 percent of the injured athletes specialized in sports, while only 31.3 percent of the uninjured athletes specialized. (Athletes who scored above 3 on the six-point scale were considered specialized.)
Uninjured athletes spent a total of 8.8 hours a week playing organized sports, while injured athletes spent 11 hours. However, this finding had a P value of 0.07, meaning that it fell just short of being considered statistically significant.
Jayanthi said results of the current study are preliminary. Researchers from Loyola and Children’s Memorial Hospital in Chicago are enrolling additional athletes, and the athletes will be evaluated every six months for three years. This research will further assess the risk of intense training during growth spurts. The collaborative study has received a prestigious research grant from the American Medical Society for Sports Medicine.
Jayanthi said young athletes should be closely monitored for injuries, especially if they spend 11 or more hours a week in a single organized sport or more than 20 hours a week in all sports.
Injuries in young athletes include minor conditions such as muscle strains and knee cap pain, overuse injuries such as rotator cuff tendonitis and Osgood-Schlatter disease (painful lump below the kneecap) and severe injuries such abnormalities in knee cartilage and stress fractures in the spine.
While young athletes are specializing in all major sports, Jayanthi said the most intense specialization occurs in certain higher skill sports such as tennis, gymnastics and dance.
Here is another article outlining the potential risks of sport specialization.
Thursday, November 18, 2010
More evidence that strength training can benefit baseball players
1) Don't believe that strength training will help/benefit baseball players;
or
2) Go about the wrong way.
Here is a quick abstract that challenges the first debate.
Monday, September 27, 2010
Top 12 Thoughts on Strength Training for Kids (part 2)
* Dragging sleds
* Bands
* Medicine Balls
* Kettlebells/dumbells
* Tires
* Pneumatic resistance
* and of course bodyweight.
8) Puberty has a way of evening out the playing field at times; who was once the small, slow kid is now the fast, bigger kid. Once kids accept that puberty gives them the tools to get where they want to get, they can enjoy the process of learning how to do everything correctly. Personally, I was very small until 18 (135# as a senior in high school) and then in college put on muscle like I was on steroids! I know all of my years of free play and sports gave me the foundation to really take off (albeit after high school ended). So, parents and kids should trust in the natural, progressive way of the human body and be patient while building a neurological library of information.
9) Believe it or not, overweight kids thrive when it comes to strength training. It does not involve the things they are not good at, or do not like: running, jumping, teams, gym class, getting picked last in games, etc. It is one-on-one activity. The extra weight that has been a "burden" to this point actually prepares them to be somewhat stronger than average weight kids. I am not suggesting to become overweight to get stronger, but I am saying that if you cannot find the activity that suits you because of your size, try strength training. It will certainly lead to #10...
10) Let's face it, getting stronger makes you perform better. It also improves your performance from the neck up by helping confidence, body image, self-esteem, discipline, pain tolerance and healthy competition ("what's your bench?!"). I have seen kids in one hour improve their attitude just by increasing the amount of weight that they lifted compared to their previous session. That is priceless.
11) Similar to #10, I truly believe that kids can also become more aggressive with strength training. Sports are hard~physically, mentally and emotionally. Aggression can pull you through even the most challenging obstacles. Before I go further, my definition of aggression always involves sportsmanlike conduct, respect for the game and your opponents, and playing within the rules of the sport. Aggression does not imply fighting, cheating or bullying. It is a mental tool to use when needed: when you need to attack a defender, grab a loose ball, win the race, or always being ready. I use the word "aggression" quite often as I see more and more kids going through the motions but not really attacking that particular drill or exercise.
12) Finally, strength lays the foundation for longer term consequences. Statistically, most kids will not play sports in college and even fewer will become professional athletes. However, if strength training is introduced correctly at a young age, it can be done forever. Conversely, if it is used as punishment ("drop and give me 20!"), do you really think a child is going to want to do that voluntarily? We are in a position to affect not only the present, but the future and how healthy this generation becomes.
There yo go....I am sure I missed a few, but these are the big ones. Now, GET STRONG!
Tuesday, September 21, 2010
Top 12 Thoughts on Strength Training for Kids (part 1)
In looking at our program design layout, you will notice that we always perform strength and power training after our movement skills. Effective and efficient movement of the body is priority number one. However, I am convinced that movement patterns, especially speed, will only be reinforced and improved through gaining strength. So, I am going to modify our training protocols to include more strength than we have before.
Here are some thoughts as to why strength training is so good for young kids:
1) Before the onset of puberty and during puberty, the Central Nervous System can be thought of as moldable, or plastic. It is still capable of being introduced to a stimulus, adapting and starting the process of changing relatively quickly. Older athletes and adults are capable of this also but not at the level of young children. These tools will form the foundation for which further changes can occur.
2) We can move a kid as we strengthen them. Typically, strength training is limited to the space of the equipment in use, but in our world of bands, sleds, climbing, crawling, etc, the movement patterns and the strength patterns happen simultaneously. An example would be a walking sled press instead of a bench press, or a sled march instead of a squat. That doesn't mean we will not use those exercises, but there are options beside the traditional means.
3) While it is a cliche, balance of the body is important for performance and injury prevention. Generally, balance will involve front/back, side/side and top/bottom; it will not always mean an equal ratio, however. For instance, our baseball players will always perform 2 to 3 posterior upper body movements for every anterior movement. Runners may perform more hip extension than hip flexion. Jiu Jitsu players and wrestlers may do core work on their backs more often than a football player. Once the body is looked at Generally, it can be broken down Specifically and Competitively based on the demands and needs of the sport.
4) Strength, more than any other motor skill, seems to have the greatest transfer to improvements in all other motor skills. As strength improves, acceleration, deceleration, jump height, jump distance, and speed typically improve. Couple that with proper teaching of the mechanics of movement, and the athlete is poised to be a dangerous weapon.
5) Similar to #4, as strength improves, force production and force absorption also improve. Sports, in the big picture, rely on producing and absorbing forces, either into the ground, an object, or a person. Take running for example: As an athlete accelerates, he/she must be able to apply enough force into the ground to create the desired speed over a desired distance. If they are not strong (enough), they will not get to where the want to go as fast as they should (this is a very simple overview). Conversely, if they need to decelerate and change direction, they must be able to control their bodyweight, absorb any forces needed and slow down momentum, and possibly re-accelerate.
6) Many times strength is measured by how much an athlete lifts in the weight room, and rightly so. If Athlete A squats 400 and Athlete B squats 300, Athlete A is stronger...or is he? In powerlifting, that is true. Weight room strength is a tool that must be able to transfer into sport. Much has been debated about how weightlifters and powerlifters can hang with sprinters for the first10-20 yards of a race based on their strength levels, but don't win the race. That is for another time, but strength for strength's sake is only as good as the degree of transfer. Athletes should see a positive correlation between improved strength and improved performance. Also of importance is the concept of relative strength. There are a few interpretations of relative strength:
* Strength relative to bodyweight;
* Strength relative to their maximum or absolute strength (expressed as %1RM);
* Strength relative to the forces found within a given sport (ground reaction forces, for example).
Athletes obviously need both relative strength and absolute strength to be successful.