Sunday, April 24, 2016

Volume Intensity Relationship



Intensity: Percentage of your one-rep maximum. Written as: %1RM (e.g. 75%1RM).

Volume: Sets x Reps x Weight = Volume 

These are two major components of a training program, whether lifting or running. Depending on the goals of the program, volume and intensity will fluctuate in relation to one another other according to set and rep schemes. When looking at a graph, we see that volume and intensity are inversely related to one another (figure 1). Therefore, as intensity goes up volume will go down.


Figure 1: Inverse relationship between volume and intensity.

For lifting, let’s use squatting as an example. Let’s say your 1RM (or 100% of your squat) is 300 pounds. 50% of you 1RM would be 150, and let’s say you can do this for 20 reps, making the volume for one set 3,000. That’s a lot of reps for a squat set! Since that’s so many reps, you would like to do fewer and still reap the benefits of squatting. You therefore increase the weight and use 80% of your max. You are now using 240 pounds, performing 5 repetitions for 1 set (figure 2). When calculated, the volume in this instance comes out to 1,200. From this, you can see how volume will decrease as you increase the intensity.



Figure 2: Volume calculations.
 


With running, the same principle applies, except “intensity” refers to the percentage of your maximal running speed rather than a percentage of your maximum strength. For example, a full-out sprint would be 100% of your intensity. Running volume would then be distance traveled. Therefore, running at a faster speed will result in a shorter distance travel and vice versa. 

One thing to consider is to avoid attempting to train at a high intensity and perform a lot of volume. In a scenario with high intensity and high volume, injuries and other bad things tend to occur.


Ryan Goodell, CSCS


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Sunday, April 17, 2016

3 HACKS FOR DEEPER SQUATS



When it comes to building strength and adding muscle mass, not many exercises can compete with a well-executed barbell back squat. However, despite the many benefits you can achieve from back squatting, there is a significant degree of technical proficiency one must have in order to perform a back squat both safely and effectively. Perhaps the most common issue we see amongst trainees is sacrificing the depth of the squat in order to handle more weight on the bar; while partial range of motion squats have been practiced by many of the world’s top athletes (including elite track and field), for the average lifter looking to increase strength and build muscle, deeper squats are the more appropriate option. 

Herein lies the question of what an acceptable depth is. By many powerlifting federation standards, depth is considered acceptable when the crease of the hip is at, or slightly below, the top of the knee. For the sake of this article, I will consider our goal depth to be the crease of the hip in line with the top of the knee. 


While there are many factors that may limit squat depth amongst lifters, some of the most common we see can be boiled down to a few things: ego (i.e. sacrificing depth for weight on the bar), setup position, and for some, boney anatomy. Fortunately for most, we can improve depth by addressing the first two issues; however, for some lifters, boney anatomy of the pelvic region may fall under the “things we can’t really change through training” category. Lifters who experience femoral acetabular impingement (FAI) will often complain of “pinching” in the front of the hip in the bottom position of a squat. While improving set up position and getting the right muscles to turn on when they need to will often alleviate any pinching, it is possible for lifters to have boney overgrowths that will block hip motion as they descend into a squat (see below).

As you can see from the picture above, cam lesions (a boney overgrowth on the femur) and pincer lesions (a boney overgrowth on the acetabulum) can essentially “get in the way” of a hip joint that is trying its best to descend into a squat. For certain people experiencing FAI, surgical interventions may be warranted; however, there are still techniques we can implement to optimize starting position that will give these lifters as much of a “home field advantage” as they can get when it comes to squatting (side note: if squatting to depth bugs your hips even after using some of the techniques I’ll discuss, understand that there are other training modalities you can use. Don’t force a ROM that you don’t have.)

Now that we have some background out of the way, let’s get into the ways we can improve squat depth!

HACK #1: IMPROVE POSITION OF THE PELVIS AND RIB CAGE

            The normal human spine has a few alternating curves in it. Starting in the cervical region, we see a lordosis, followed by a thoracic kyphosis, followed by a lumbar lordosis, followed by a sacral kyphosis (see the picture below on the left.)


In many athletes and lifters, one of the common posture traits we see is an accentuated lumbar lordosis (see the picture above on the right), which coincides with an anterior tilt of the pelvis (note the angle of the belt line). As the pelvis rolls forward into anterior tilt, there is a concomitant elevation of the lower part of the rib cage. In this position, the hip joint becomes more “closed off” to the acetabulum moving over the femur, and may lead to pinching in the front of the hips in the bottom position of the squat. From a muscle perspective, we have a whole lot that will lose optimal leverage for force production from being excessively lengthened (most notably the hamstrings, internal/external obliques, and transverse abdominis.) 

Now just because someone presents in this pattern, it doesn’t mean that this is fatal. In fact, there are a ton of really simple exercises we can use to help restore position of the lumbopelvic region so the muscles have optimal leverage to help us squat deeper.

My go-to exercise to reposition the pelvis is called the 90-90 Hip Lift, which is adopted from the Postural Restoration Institute. This exercise forces the hamstrings to create a posterior tilt on the pelvis, which will help restore optimal position in an already anteriorly rotated pelvis. In addition to the hamstring activity, you can also see we are very dialed in on the breathing during this exercise. Forcefully exhaling will lead to the rib cage getting pulled down, in, and back, which will restore position of the rib cage.


Now that we have the pelvis and rib cage anchored down, let’s move on to how we control that position! 

HACK #2: FOCUS ON BRACING, NOT ON ARCHING

            Since the dawn of time, many lifters have been cued to arch their backs hard during squats, which exaggerates the lumbar lordosis. While this may be a strategy that a powerlifter could use to handle maximal weights, for the lifter who is struggling with hip depth, this is probably the last thing we want to be doing. If you consider our previous discussion on pelvic position and its influence on squatting, then you know that as the lumbar spine extends (as it does in arching), the pelvis dumps forward into anterior tilt. In this scenario I have two options as I descend into a squat: option one is to have my femur jam up against my forwardly rotated pelvis, causing impingement; option two is to have my pelvis roll backwards to create space for me to move (i.e. the infamous “butt-wink”). In either case, my hips and spine are in a compromised position to safely move.
Adopting a bracing strategy involves creating a relatively neutral spine position, then using active muscle force to maintain this position. In the video below, I outline the key concepts in how to brace for a squat.



            As you can see from the video, having a good starting position is important; however, it doesn’t do you much good if you revert back to faulty stability patterns. 

HACK #3: PERFORM ANTERIORLY LOADED SQUAT VARIATIONS

            Last November I was fortunate enough to see world-class track and field coach, Boo Schexnayder, present at the Physical Preparation Summit in Indianapolis. Out of all the great knowledge bombs shared that day, one of the one-liners that really stood out to me was his take on adding variety to his training of athletes to keep them healthy: “Diversity is the mother of injury prevention.” In other words, if we keep overloading the same patterns over and over again, our chances of getting beat up in the long run are high; on the flip side, when we add in more variety in our training, our chances of dealing with overuse injuries plummet.  

            To tie this into squatting, now: even if you reposition the pelvis and learn how to brace, repetitively overloading a squat to a high depth will likely put excessive strain on your system. So if you’re a lifter who is still experiencing issues getting to an appropriate depth in the back squat, should you just give up and go leg press instead? Not before your experiment with some anteriorly loaded squat variations!

            In the video below I discuss two different anteriorly loaded squat variations: the goblet squat and the front squat. By placing the load in the front side of the body, the lifter will have an easier time turning on the anterior core thus keeping the neutral spine and pelvis position we want to squat deeper.  



CLOSING THOUGHTS

            While there are about a million ways to help lifters squat deeper, these three are techniques that have worked the best for me. Another thing to consider is that the techniques a lifter uses in training to improve depth may not necessarily be the same used in competition to lift maximal weights. At the end of the day, I am in favor for anything that will help someone move better and build capacity in a safe and effective manner. All that being said, try these three techniques out and you’ll be squatting deeper in no time!


Conor McNally, MS, CSCS, BCCC 


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