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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....
Wednesday, June 29, 2011
Can coaches force kids into only one sport?
Sunday, June 19, 2011
The Influence of Parachute-Resisted Sprinting on Running Mechanics in Collegiate Track Athletes
The aim of this investigation was to compare the acute effects of parachute-resisted (PR) sprinting on selected kinematic variables. Twelve collegiate sprinters (mean age 19.58 ± 1.44 years, mass 69.32 ± 14.38 kg, height 1.71 ± 9.86 m) ran a 40-yd dash under 2 conditions: PR sprint and sprint without a parachute (NC) that were recorded on a video computer system (60 Hz). Sagittal plane kinematics of the right side of the body was digitized to calculate joint angles at initial ground contact (IGC) and end ground contact (EGC), ground contact (GC) time, stride rate (SR), stride length (SL), and the times of the 40-yd dashes. The NC 40-yd dash time was significantly faster than the PR trial (p < 0.05). The shoulder angle at EGC significantly increased from 34.10 to 42.10° during the PR trial (p < 0.05). There were no significant differences in GC time, SR, SL, or the other joint angles between the 2 trials (p > 0.05). This study suggests that PR sprinting does not acutely affect GC time, SR, SL and upper extremity or lower extremity joint angles during weight acceptance (IGC) in collegiate sprinters. However, PR sprinting increased shoulder flexion by 23.5% at push-off and decreased speed by 4.4%. While sprinting with the parachute, the athlete's movement patterns resembled their mechanics during the unloaded condition. This indicates the external load caused by PR did not substantially overload the runner, and only caused a minor change in the shoulder during push-off. This sports-specific training apparatus may provide coaches with another method for training athletes in a sports-specific manner without causing acute changes to running mechanics.
Paulson, S and Braun, WA. The influence of parachute-resisted sprinting on running mechanics in collegiate track athletes. J Strength Cond Res 25(6): 1680-1685, 2011.
While positive results were shown for college track athletes, this should not necessarily be extrapolated to younger and/or non-track athletes....comments from Tony.
Saturday, May 28, 2011
Tuesday, March 29, 2011
Does finger length predict athletic ability?
The Association between Athleticism, Prenatal Testosterone, and Finger Length
The association between athleticism, prenatal testosterone, and finger length. J Strength Cond Res 25(4): 1085-1088, 2011.
Research suggests that prenatal levels of testosterone are related to finger length development and traits beneficial to athletic skill, such as power, endurance, visual-spatial skills, or sensation seeking and dominance behavior. In men, the second digit to fourth digit ratio (2D:4D) has been shown to correlate with success in competitive levels of football (soccer), which suggests that the 2D:4D ratio is a possible marker for level of attainment in sport. The purpose of this study was to explore the 2D:4D relationships between sports and make comparisons with nonathletes. A multiple group posttest-only design was used. Participants included 138 male volunteers with 92 intercollegiate National Collegiate Athletic Association division I athletes and 46 nonathletes who were not varsity athletes. The independent variable was group (crew, football, gymnastics, soccer, nonathlete). The dependent variable was the 2D:4D ratio. No significant differences were noted between the athletes and nonathletes (p = 0.182). Significant differences were found among the different groups (p = 0.000), with significantly lower ratios between football and crew (p = 0.000), football and nonathletes (p = 0.030), and gymnastics and crew (p = 0.001). This research provides a stronger level of evidence that the 2D:4D ratio may help indicate potential athleticism or competition-level achievement, but the external validity may be limited to only specific sports.
Saturday, February 26, 2011
Wednesday, December 1, 2010
Tuesday, August 10, 2010
Thursday, May 6, 2010
interview with Dawn Weatherwax - part 1 (audio only)
Tuesday, January 5, 2010
thoughts on strength - part 2
Before I go into detail on my opinion of strength training for youth, there are a few more highlights to share that will help strengthen my point (pardon the pun). As I mentioned, I started lifting weights when I was 13 or 14, I can't remember exactly. It never stunted my growth, I never broke a growth plate, I never was injured playing sports and I never committed random acts of violence because of my new-found passion. Had to get that out of the way to squash some myths :)
As I entered high school athletics, I realized that, while I was strong and fast, I was smaller than just about everybody else on the field, diamond, court and mat. So, just to compete, I had to attack the weight room with even more fervor and intensity. I remember the first time I could bench press 100 pounds...what a feeling! But, that only made me want to do more. Fast forward to my senior year: I was now a powerlifter in the 125 pound weight class with personal best's of 235 in the bench, 315 in the deadlift and 300 in the squat. Keep in mind I was 125 pounds soaking wet.
I was gaining strength weekly, it seemed. I gradually weaned myself from my love of playing sports to only concentrating on my lifting. In my senior year, I was hospitalized for a month for various ailments, but still managed to lift. I would lie under my bed and do push ups with the bed frame, put two chairs side by side and do dips. I would load up my book bag and squat and deadlift with it. Yes, I was a little nuts. When you find your desire, no one can take that away from you. As I entered college, my powerlifting transferred into bodybuilding. My body finally hit puberty around 18 and I was adding muscle by the week. I entered my first of 17 bodybuilding shows and the rest is history...
When I look back at the tools that were forged via lifting weights, the one constant that never stopped growing was my self-confidence. I was a classic under-achieving student and a pretty good athlete, but was also aware that I never quite fit in with everyone else. High school can break a young kid if he/she let's it. The ironic thing is that while I was using weights for my own selfish gains, I also became more popular. It was purely unintentional, but it happened. Strength and muscle have always had a cartoonish or cult like-quality to those that admire the athletes that partake in it. Weights then had a two-fold purpose: the obvious one of strength gains but also gaining acceptance among my peers. It felt phony but I didn't care.
The reason I bring this up is to show the wide ranging effects that strength training can have on a growing boy or girl. In short, strength training can:
* Improve self-esteem, self-confidence and body image perceptions;
* Decrease injuries by making connective tissue, joint structures and muscles more resilient to potential trauma;
* Improve ALL indices of sport and athletic skill development. This is the biggie. If you want to:
Jump higher....run faster....stop quicker....tackle harder....kick further....swing faster, etc. then strength is the one component that will help every other component of athleticism.
Every sport relies on one major aspect: the production and application of FORCE. From hitting to kicking to swimming to throwing to jumping to running and everything in between, the constant is the application of force to an object, whether it be a ball, a person, water, or the ground. In order for force to improve, strength must improve.
If you think your son or daughter is too young to strength train, think again. They will be exposed to more dangerous conditions while playing sports then through lifting weights. Gymnastics? Strength training! Football? Strength training! Baseball, soccer, jungle gyms, swing sets, recess, phys. ed., running, cutting....all involve the application of force, thus are forms of strength training! The negative perception of strength training stems from junk science from several years ago outlining the dangers of strength training for young kids. This has since been updated to reflect new research. All forms of activity come with risks, but lifting weights, under supervision, has one of the safest track records relative to sports such as soccer, football and gymnastics, among others.
Notice that I am not using weight training in the same context as strength training. They are not necessarily synonymous. The strength training that I advocate for youth consists of medicine balls, bands, ropes, tires, sleds and, of course, bodyweight. There is room for light dumbell and kettlebell work as well. To be blunt, kids are weak (it hurts me to watch kids struggle with their own bodyweight as resistance). I have several theories why that is, but at the end of the day, it doesn't matter how they got that way; the question then becomes, "What are we going to do about it!?"
I hope that you enjoyed this and maybe even learned something. Strength is an unbelievably powerful tool that can transcend the weight room, playground or athletic world. Get strong. Stay strong.
