If the diagnosis is a structural problem, then the location of pain is almost always where the structural lesion is. Structural lesions with bones, muscles, tendons, ligaments, discs, cartilage, and menisci create local symptoms. The main exception is when structural lesions occur with nerves, in which case symptoms can travel along the nerve. So if what you suppose is a problem in a structure changes location, it’s more likely that instead of there being a problem with the structure, there’s a problem with how things are functioning - which is the majority of problems. With functional problems (that is, something is not working well instead of a structure actually being broken), it's common for pain to change location. Muscle strain, tear, pull pain doesn't move. It's where the strain, tear, pull is. -- Laura
The glutues maximus, gluteus medius, and gluteus minimus are innervated (powered) by the nerve roots L4, L5, S1, and S2, which exit the spinal cord in the low back. A muscle can only achieve optimal strength and efficiency if it’s getting an undisturbed supply of electricity. I hear loads and loads of people talk and talk about problematic weak glute muscles. I usually don’t find weakness. Instead, I find that it’s almost always inhibition - a fuse box (spine) problem. Most low back problems are at the levels L4, L5, S1. Is it any surprise then that the nerves to the glutes may be compromised? There does not have to be back pain for a nerve irritation to be present.
If we prove that your nerves are indeed working well (which we do by clinically moving your low back, and sometimes hip, repeatedly - not by looking at an image), and your glutes are still problematically weak, then we can begin all those glute exercises such as squats, lunges, donkey kicks, clamshells, crab walks, sidelying leg lifts, lateral step downs, bridges, and so on. If a professional wants to diagnose “weakness,” then he/she better have first at least ruled out inhibition. Not only does that save months of work, but it gets at the real diagnosis. When a muscle doesn't demonstrate the strength it should, I check the fuse box. -- Laura
I remember learning about dead butt syndrome (DBS) during a presentation at the clinic where I worked several years ago, two years into my career. I believe the sales rep was there to push taping products, but this topic somehow came up. (Please note: while some refer to all the gluteal muscles becoming weak, others specify the gluteus medius muscle in particular.) This gentleman explained that since people sit all day without using their gluteus muscles, they become weak. Made sense to me! And it had a fun name.
However, when I began using the term with patients whose gluteus medius muscles were in fact weak, and fielding patients' questions regarding the topic, I became skeptical. For one, if sitting dormant all day was the root cause, why wouldn't mostmuscles weaken? And, secondly, if it was sitting combined with lack of daily use of the gluteus medius muscles - lack of moving the hips laterally - that was the trigger, wouldn't the lateral movers of other joints suffer then too?
So I did a bit of "research:" I read a few articles intended for the public. The consensus is that DBS not only affects expert sitters, but also people who exercise, but who don't target the glute muscles enough. That sounds strange. Those could be very different cohorts. Or, the exercisers could also be expert sitters when they're not moving. Here are my two chief complaints with what I found to be the commonly proposed etiology of DBS:
Another article states, "It may seem bizarre for a muscle to just stop functioning out of nowhere." Yes! It is indeed very bizarre! Except when you recall that nerves send power to muscles ... and when there is a problem with the flow of electricity through those nerves, muscles will stop functioning seemingly out of nowhere! This inhibition-driven weakness, while not normal, is extremely common. (In fact, if I tested the primary muscles of the upper and lower extremities of 100 people, I bet not one person would demonstrate full strength. That means not one person would have uninterrupted flow of electricity from their spine to their muscles.) The good news is, once you restore the flow of electrical power from the spine - I use specific movements with my patients to accomplish this - muscles should immediately regain normal strength.
So what is going on with DBS? In the large majority of cases, prolonged sitting (the more slouched, the worse) creates a malalignment in the low back which impedes the flow of electricity via the nerves to the glutes, depriving them of their juice to be strong. The same scenario can create pain in the glutes as pinched nerves can carry pain along their path (or any altered sensation such as tingling or degrees of numbness). That'swhy your butt is dead. To fix it, you'll need to address your low back in order to decompress the nerves. And then, once the power is back on, if your gluteus muscle strength doesn't return completely since the muscles had been dead for so long, you can move on to targeted strengthening exercises to rebuild them. -- Laura
Has someone told you you have weak gluteus medius (hip abductor) muscles? The L4, L5, and S1 nerves supply the electricity to this muscle, so there's a GREAT chance the glute med is weak because those nerves are inhibited in your (slouchy) low back. In that case, the solution would simply be to free up those nerves in the low back - and the strength would return immediately! Could save months of strength training, not to mention actually addressing the true cause of the weakness. -- Laura
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