This blog is devoted to physical health and performance for athletes. My primary interest is in athletic development, particularly the appropriate application of resistance training, weight training and weightlifting movements in athletes of all ages and levels of skill.
From the Archives: For Weightlifting Geeks
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What are the similarities and differences between these two athletes, as each transitions into and out of the second pull?
Similarities: they're both gifted athletes, lifting a lot of weight! They both seem to come to their toes early. They both keep the bar in a relatively narrow vertical path. And they both get good extension through the hip and legs.
Differences: Girl on left (L) has tighter vertical bar path, but kicks the bar sharply forward with thighs. L keeps arms long through pull, but remains extended too long. R keeps bar close to body through transition and is quick getting under bar, but pulls arms too early.
The main thing I see is that the girl on the right doesn't keep her arms straight. Of course, I'm not adept enough to say she may be pulling a bit too early, but the girl on the left has straight arms when the bar just passes knee level and maintains that straight arm position through the next photo.
Anonymous said…
Girl on right definitely bends her elbows, but she is able to get the bar higher up on her thighs before initiating the second pull, which has her pull more vertically. She also pulls herself under the bar with a lot more aggressiveness and appears to do more drift work during the bar's flight phase
Girl on left, initiates the second pull from mid-thigh, which may be why the bar travels forward quite a bit ... maybe an early second pull?! Also, her torso seems to straighten late. She appears to counter the forward acceleration of the bar by pushing backwards with her lower body quite a bit as well.
As a side note, and this may just be speculation (I'm making some assumptions), I find it interesting that the ends of the barbell look a lot more asymmetrical for the girl on the right ...
I would be interesting to see their velocity profiles in order to examine differences in propulsion phases.
I notice the girl on the right actually leaves her feet. Is this advised or is it just a matter of personal preference?
CI
Anonymous said…
girl on right pulls with her arms too early because she is over pulling the bar into her hips....AND BECAUSE SHE takes after her mother!!! its a error and hopefully will be corrected. she is much quicker under the bar and pulls her body down with her arms.....her bar path is right on.
Way back in 2002, I scanned these images by Howard Schatz from Sports Illustrated (October 14, 2002). A fascinating array of elite female athlete physiques, heights and weights, eh? These are some of the women featured in his book Athlete --a very cool pictorial essay that celebrates athletic form and function.
ACL injuries do not happen in a void. People sustain injuries when their infrastructure is unable to manage a specific set of physical circumstances. To describe the mechanism of the injury without the context of the person and their level/type of sport, is to miss valuable insight. In sport, we prepare the person, to the best of our understanding, to meet the physical demands of that sport. We do not just work to prevent one particular injury; we prepare athletes to navigate the total sport physical environment. By "we" I mean the coaching and support staff -- specifically the athletic development staff. Athletic development (AD) coaches prepare athletes through the development of physical literacy and movement competencies via movement progressions. It is more than strength, power, agility; it is the acquisition of knowledge, skills, abilities and behaviors to manage themselves within the entire sporting environment. At the higher levels of sport, AD coaches coordinate wit
The angle of the torso, when squatting, is not a function of whether or not the bar is high or low on the back. The angle of the torso (and thus torque on the spine) is primarily determined by the angle of the shin, a.k.a how much the ankle dorsiflexes. AND IN MY BOOK, THIS IS THE KEY TO BEST BACK TRAINING PRACTICES. GET IT??? MAKE YOUR QUADS, HAMS AND GLUTES DO THE WORK. If your shin is perpendicular to the floor, then your torso will incline forward to keep the CoM over your BoS, regardless of how low the bar is on your back. And your back will be forced to handle higher torque. A good, general rule of thumb, IMHO, is to keep the shins and the torso parallel, from an inclination standpoint. This could change with femur/torso length issues (tight adductors and hips in general can cause issues too), but this method is pretty good to help someone figure out whether or not they have decent ankle flexibility when squatting. And this will minimize torque on the back, as we will d
Comments
Similarities: they're both gifted athletes, lifting a lot of weight! They both seem to come to their toes early. They both keep the bar in a relatively narrow vertical path. And they both get good extension through the hip and legs.
Differences: Girl on left (L) has tighter vertical bar path, but kicks the bar sharply forward with thighs. L keeps arms long through pull, but remains extended too long. R keeps bar close to body through transition and is quick getting under bar, but pulls arms too early.
Is that Sage Burgener on R? How'd I do?
The main thing I see is that the girl on the right doesn't keep her arms straight. Of course, I'm not adept enough to say she may be pulling a bit too early, but the girl on the left has straight arms when the bar just passes knee level and maintains that straight arm position through the next photo.
Girl on left, initiates the second pull from mid-thigh, which may be why the bar travels forward quite a bit ... maybe an early second pull?! Also, her torso seems to straighten late. She appears to counter the forward acceleration of the bar by pushing backwards with her lower body quite a bit as well.
As a side note, and this may just be speculation (I'm making some assumptions), I find it interesting that the ends of the barbell look a lot more asymmetrical for the girl on the right ...
I would be interesting to see their velocity profiles in order to examine differences in propulsion phases.
A lot of ramblings for an early monday morning.
I notice the girl on the right actually leaves her feet. Is this advised or is it just a matter of personal preference?
CI