![]() ![]() ![]() However, there is still a plethora of research we can draw on to help guide us in understanding more on this topic.įor this topic, what really matters is: do the glutes lose ability to contract in general, what is the relevance of this for gluteal aesthetics, what is the impact of this for performance, and how does this affect pain? Since that time, research has been gradually building, with a large portion of the research using McGill’s book as their reference for supporting the notion that this condition exists – which was never justified or demonstrated with validity. This seems like a reasonable process of thinking, however our study of this line of reasoning has been shown it is usually flawed and does not consider many confounders (which we will discuss). The assumption was that the people’s improvements were due to improvements in glute activation. In this case, McGill would have people in back pain do glute exercises and these people improved. Post hoc reasoning is where someone believes that when one thing follows another, the second must have been caused by the first. These conditions range from lateral ankle sprains to low back pain and are often stated as occurring due to poor glute activation. As well, if individuals perform these movements, or more simple ones – such as a glute bridge – and are unable to “feel” their glutes contract, this is a common claim for “dead butt syndrome.”įor many people, presenting with a wide range of conditions, generally involving the lower body, gluteal amnesia will often be identified as the cause, or contributor, for their pain. This is often proclaimed when an individual is performing an activity – such as a squat or jump – and presents with the knee(s) moving inwards (valgus) or when performing a movement involving hip extension – such as a deadlift or glute kickback – and extends their low back and not their hip. We see this “condition” blamed for a number of different faults, generally categorized in two areas – “poor” movement or “reduced” sensation/contractility. ![]() For others, issues with performance or pain may be what leads to learning about gluteal amnesia. For some, this aesthetic aspect may be the first sign that he/she becomes concerned with. It’s theorized that due to inability to contract the glutes, they lose their shape and no longer maintain their lift and curvature. One of the most proclaimed results of “dead butt” is poor development of the glutes, leaving the person with a “saggy butt”. ![]() Gluteal amnesia is claimed to lead to a wide range of deficits and injuries, affecting three main areas: aesthetics, performance, and pain. The prior hypothesis focused on a length issue leading to issues, whereas this focuses on a contraction theory leading to neurological deficits. The proposed idea of tight hip flexors argues that with the hip flexors being in a shortened position, which occurs when someone is in an anterior pelvic tilt, leads to the glutes being lengthened and unable to contract properly, causing “dysfunction” in the glutes.įinally, the hypothesis around reciprocal inhibition is that the hip flexors are contracting frequently and cause reflexive relaxation of the gluteal muscles. Two of the main arguments are that sitting on the glutes leads to poor blood flow, ultimately leading to atrophy, and the other argument being that sitting causes the muscles to forget how to “turn on”. In the case of the first argument where people point to high amount of time spent sitting, there are varying claims made for why this is problematic. The original discussion of the term (McGill’s Book) does not reference an origin, just stating “From measuring groups of men with chronic back troubles during squatting types of tasks, it is clear that they try to accomplish this basic motion and motor pattern of hip extension emphasizing the back extensors and the hamstrings – they appear to have forgotten how to use the gluteal complex”.įrom here, various hypotheses were created about what may be leading to this perceived concept of reduced gluteal usage – quantity of time spent sitting, tight hip flexors, and reciprocal inhibition from hip flexor dominance as being the main theories.įor each of the proposed concepts, it is believed that through either time spent sitting, having tight hip flexors, or reciprocal inhibition from the hip flexors, our glutes gradually lose the ability to contract. ![]()
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