The Alexander Technique (AT) is a holistic educational method that helps individuals change inefficient or faulty habits, reducing potentially harmful stress (allostatic load) & tension accumulation. This is accomplished by observing and altering how one conceptualizes responses to stimuli with the aid of an AT teacher.
The AT is known to affect postural tone and movement coordination (Cacciatore et al., 2011; Preece et al., 2016); however, the AT is not a passive treatment (Williams, 2018). While movement is a focus in learning the AT, it is generally taught as an educational system rather than movement therapy (Woods, 2020). AT can also be described as a phenomenological study of the interaction between one’s biology and psychology (Mindbody). AT practice observes and modulates the relationship between volitional cognitive behavior, somatosensory awareness, and regulation of muscle activity in postural support and movement.
The most recent systematic review of AT trials is Woodman & Moore (2011) which identified AT in the treatment of Parkinson’s Disease (PD) associated disability and chronic back pain as promising areas of research. According to the Mayo Clinic, “Back pain is a leading cause of disability worldwide and its origins are often unclear.” Education is universally recommended as first-line treatment for acute and persistent back pain but it attracts little attention; the vast majority of back pain episodes do not require surgery or long-term powerful analgesics (Moseley, 2019).
Parkinson’s disease (PD) is a progressive neurological disease that includes a range of symptoms related to control of posture (Doherty et al., 2011). Medication sometimes alleviates some Parkinsonian motor symptoms, but it does not cure them and may make aspects of postural control worse (Contin et al., 1996). According to the National Health Service (UK), “lessons in the Alexander Technique may help one carry out everyday tasks more easily and improve feelings about Parkinson’s disability.” The primary symptoms of PD are muscular rigidity, slowness, tremor, and postural instability.
Studies of the AT on persons with PD disability and back pain illustrate the potential bio-psychological effects of cultivating interoceptive and proprioceptive awareness through AT lessons (Stallibrass et al., 2002; Little et al., 2008; Cohen et al., 2015). Further evidence comes from a systematic review of a number of trials that found AT lessons improve performance anxiety in musicians (Klein et al., 2014).
The main hypothesis here is that the mechanisms of action and effects of the AT can be, at least partially, explained by known biological/cognitive mechanisms. However, explaining phenomena like back pain and improvements in it from mind-body practices is, in itself, problematic. While clinical research advocates using the biopsychosocial model (BPS) to manage back pain, there is still no clear consensus on the meaning of this model in physiotherapy and how best to apply it. Biological, psychological, and social factors may be inadequate to address complexities of people with back pain, and a reworking of the model may be necessary (Mescouto et al., 2022). A phenomenological approach may be needed in addition to the BPS to make sense of the meaning of the experience of back pain and/or the treatments for it (Stilwell & Harman, 2021).
The AT has been used for over 125 years in a wide variety of educational and medical settings, however, a comprehensive neurophysiological model theory of biological mechanisms of action underlying the AT’s effects has only recently been proposed by Cacciatore, Johnson, & Cohen (2020). Current theories, including this paper, rest heavily on the work of Dr. Timothy Cacciatore’s and Dr. Rajal Cohen’s rigorous research and numerous peer-reviewed publications about or related to the AT. The prior vagueness in the definitions of the AT originated from the complexity of underlying systems and generally unsophisticated techniques in describing psycho-physical activity/behavior. Improvements in the ability to observe and record psychomotor and brain behavior generally have made such a model viable only recently relative to the age of the AT. The situation was similar for many of the early psychotropic drugs that were discovered somewhat serendipitously with no clear explanation for their purported mechanisms of action (Carey et al., 2020).
Dr. David Garlick, a physiologist and medical research scientist at the University of New South Wales, laid the groundwork for current theories of AT mechanisms in the 1980s. He stressed that the awareness of inter-relationship of muscle and mental states (body schema) as one of the most important effects of the AT. Garlick’s research included various types of postural analysis, the majority of which was published in The Lost Sixth Sense (1990). The “sixth sense” in this context refers to underdevelopment and/or malfunctioning of kinesthetic and proprioceptive senses. Garlick postulated that the AT mainly operates on these senses and the brain mechanisms related to those senses. He lists sensory nerve inputs from neck muscle spindles, Golgi tendon organs, skin and joint receptors, and differences in types of muscle fibers as physiological factors relevant to the transmission and reception of psychomotor information used in dyadic AT practice (Garlick, 1990).
More information on early AT research can be found here.
The Mind-body Problem
The false dichotomy of physical and nonphysical, mind and body, pervades medicine and causes many problems in conceptualization of disease, particularly with regards to so-called ‘mental illness’ (Mehta, 2011). The reality that the mind has no existence other than as an abstract cultural relational tool escapes the majority of people to this day. This is hard to accept for followers (and cultural descendants) of Abrahamic religions that long equated mind (personality/psyche/ego) with atomistic souls living in the ether or spiritual realm and merely interacting with the physical body. Mind-body dualism is so pervasive culturally that atheists are not immune; most people subconsciously separate mind and body to some degree because of cultural conditioning.
Reductionism by contrast, in the strict sense envisioned by its creators in the 1930s, is largely impractical in biology and was effectively abandoned by the early 1970s. Classical holism was a stillborn theory (from Vitalism) of the 1920s and the term has survived in several fields as a loose umbrella designation for various kinds of anti-reductionism (Gatherer, 2010). The AT is one such anti-reductionist holistic practice.
If things like back pain or mental illness turn out to be mostly ‘in the mind,’ i.e. mindfulness based stress reduction (MBSR) may alleviate back pain (Anheyer, 2017) and mindfulness based cognitive therapy may be an effective treatment for bipolar disorder (Xuan et al., 2020); what does that mean and what difference does it make? Subjectively it makes little difference if illness is mental or physical to the ill, however implications for treatment loom large. If these disorders are indeed mental (developmental vs neurological damage or malfunction etc.), then it would reason that the best treatments might also be mental: i.e. education, hypnosis, suggestion, placebo, etc.
Of course one’s ‘mind’ is ultimately physical, even as an abstract idea it must exist as some arrangement of neuronal pathways. Therefore, treatments such as talk therapy are not purely ‘non-physical’ as this would be ignoring the reality of what’s happening in the brain during such ‘non-physical’ treatments. There is some debate as to if talk therapy constitutes a medical treatment, but this sentiment itself likely stems from the problematic separating of physical and non-physical (‘mental’) outcomes and treatments as if they acted on seperate systems. Problems of interaction that arise from these categorizations seem to suggest a fundamental error in conception of the underlying systems.
Alexander Technique Method
AT teachers use skilled manual contact to observe and assess changes in activity, balance, and coordination. The teacher then highlights this behavior for the student while simultaneously giving verbal suggestions or directing the student’s use of volitional cognitive behavior (‘direction’ or conscious autosuggestion). With manual and verbal direction from the teacher, pupils learn to recognize and adopt better behavioral strategies. AT is particularly relevant in the interplay of cognition, behavior, and the initiation of movement (Stallibrass et al., 2002).
A core aspect of AT is a volitional cognitive behavior process called ‘directing,’ which involves applying specific intentions to postural tone, body schema, and spatial awareness. The practice of ‘directing’ attention to postural tone and body schema also involves monitoring departures from postural intentions and applying inhibitory control to motor planning to prevent automatic patterns of muscle activation, i.e. habits (Cacciatore et al., 2020).
‘Inhibiting,’ another core volitional cognitive behavior process in AT, may refer to the ‘undoing’ or prevention of unnecessary muscular activity, whether at rest, in anticipation, or in action. In an AT lesson, inhibition may also refer to prevention of motor planning while performing an action. The AT process of inhibiting may also refer to a more general intentional calming of the nervous system (Cacciatore et al., 2020). ‘Direction’ and ‘Inhibition’ as AT concepts may be two sides of the same coin rather than distinct ideas.
The functional organization and balance of the central body axis plays a primary role in AT because of the critical role of postural tone in this region. The neck may be especially crucial due to its proximal location at the top of spine and direct role in orienting the head (Loram et al., 2017). In one study, participants reported significantly reduced neck pain and fatigue of the superficial neck flexors during a cranio-cervical flexion test after AT lessons (Becker, 2018). In another study, patients with chronic nonspecific neck pain were given AT lessons or acupuncture and both added a small but clinically significant reduction in pain (MacPherson, 2015; Baime, 2016).
The spine’s instability and its central location require that axial tone mediate use of the limbs. Failure to dynamically adapt axial tone can manifest as jerky, uncomfortable, or poorly controlled movement (Gurfinkel et al., 2006). Correcting this can have wide-ranging benefits as postural tone interacts with executive processes, motor acts, emotional regulation, and pain (Cacciatore et al., 2011).
Taken together, ‘direction,’ ‘inhibition,’ and the prime importance of coordination and balance in the central body axis (torso/spine), form the basis of the theory of AT practice. The AT’s effects are theorized to come from positively affecting postural tone, which in turn has other cascading effects. Although the effectiveness of AT lessons has been shown at the behavioral level, their effects on altering brain circuitry are still unclear.
Similarities to MECPs and Psychotherapy
The AT has strong similarities with movement-based embodied cognitive practices (MECPs) such as Yoga (Schlinger, 2006), Qigong (Posadzki, 2009), and Tai Chi (Schmalzl, 2014); as well as more modern derivatives including variations on ‘mindfulness,’ (Siegel., 2007; Stern, 2021) like Mindfulness Based Stress Reduction (MBSR) (Anheyer, 2017). There are also correlations with various ‘somatic education/therapy’ methods (Kim, 2018).
The similarities include multiple parallels in effects treating back pain and PD disability between Yoga (Cramer et al., 2013; Ban et al., 2021) Tai chi (Li et al. 2012), and the Alexander Technique (Stallibrass, 2002; Little et al., 2008; Cohen et al., 2015). This further suggests that mechanisms of action are likely shared among MECPs and AT. One can start to make educated guesses about AT and the brain from imaging studies of these related fields.
There are also many parallels with psychotherapy (Ashar et al., 2022). Dyadic or dialectical contemplation, typically master and pupil, is at the core of many Eastern mindfulness modalities and MECPs and is similar in Western systems such as the AT and body-oriented psychotherapy (Posadzki, 2009; Kim, 2018; Stern, 2021). Interestingly, the AT influenced some forms of psychotherapy, including Gestalt therapy (Tengwall, 1981). Xuan et al. (2020) is a good example of the effectiveness of some Eastern mindfulness practices infused Western Therapy practices.
Within the field of contemplative science, the directing of attention to bodily sensations has so far mainly been studied in the context of seated meditation and mindfulness practices. Early cognitive research neglected the issues concerning the activation of action, preparedness, direction, and termination of action (Pervin, 1992). Advances in the neuroscience of motor control and promising initial results have led to increased interest in the role of cognition in motor behavior and the effect of body state on mental state. Fairly recently, cognitive neuroscience started to realize that mental functions cannot be fully understood without reference to the physical body and has shifted from a predominantly disembodied and computational view of the mind to embodied viewpoints (Schmalzl et al., 2014).
AT’s Relationship to Pain, Body Schema and Proprioception
A related component problem of pain is the emotional implications of chronic pain. Functional imaging studies have shown that stimuli associated with pain can activate the anterior cingulate cortex (ACC) even when no actual painful stimulus is applied. Singer et al. (2004) found that when women received a painful electrical shock to the back of their hand, their ACC, anterior insular cortex, thalamus, and somatosensory cortex became active. When they saw their partners receive a painful shock but did not receive one themselves, the same regions (except for the somatosensory cortex) became active (Carlson & Brickett, 2022). This illustrates that at least some parts of pain are indeed, ‘in our heads.’ The emotional component of pain can be provoked by empathy for someone, causing responses in the brain like the ones caused by actual pain.
A particularly relevant form of chronic pain in this context is phantom limb pain as one theory maintains that phantom limb pain can arise from a conflict between visual feedback and proprioceptive feedback from the phantom limb (Carlson & Brickett, 2022). People with low back pain (LBP) have, on average, reduced lumbar range of movement and proprioception; they also move more slowly compared to people without LBP (Laird et al., 2014). Chronic back and hand pain are associated with deficits in body schema (Gilpin et al., 2015).
Proprioceptive musculoskeletal education (AT) was shown to enhance respiratory muscular function in normal adults (Austin, 1992) suggesting a connection between AT, proprioception, and muscle activity of the torso/abdomen. Another AT study potentially related to altered body schema showed improvements in functional reach after AT lessons in healthy older women (Dennis, 1999). After overview of the research, Cacciatore et al. (2020) proposed a comprehensive neurophysiological model of the AT suggesting that a primary mechanism of AT’s effects is improving deficits in body schema.
The largest AT study to date was a randomized controlled trial with 579 participants led by Dr. Paul Little (Little et al., 2008). The so-called “ATEAM” trial evaluated the economic viability of therapeutic massage, exercise, and lessons in the AT for treating chronic and recurrent back pain, comparing the costs and outcomes at 12 months of courses of 6 and 24 lessons in the AT, 6 sessions of massage, and a general practitioner’s prescription for home-based exercise with a nurse follow-up for patients with chronic or recurrent non-specific back pain in primary care.
Exercise and lessons in the AT, but not massage, remained effective at one year; 24 lessons had the best results (measured in recorded days with vs without pain), but six lessons followed by exercise prescription was ‘85% as effective’ as 24 lessons. Therefore, the combination of six AT lessons followed by exercise was found to be the most cost-effective option (Hollinghurst, 2008). AT was viewed as effective by most participants (Yardley et al., 2010) and authors suggest that the AT is a powerful tool for self-efficacy as participants were able to apply skills learned from lessons to continue independent learning in the 6 lessons plus exercise group (Little et al., 2008). Subsequent smaller randomized controlled trials have shown the results are repeatable (Hafezi et al., 2021). Considering parallel research, these results also suggest that AT may affect body schema.
Postural Tone and Motor Planning
To plan an action, the motor system integrates sensory information from different sources into a coherent model (Medendorp & Heed, 2019; Gurfinkel et al., 2006). Tone and body schema work together to govern postural organization and provide a foundation for movement and balance (Ivanenko & Gurfinkel, 2018; Cacciatore et al., 2020). In AT, spatial and body-schema phenomena are thought to be deeply interwoven with tone (Cacciatore et al., 2011). Changes in tone lead to changes in the perception of the structural organization of the body, and an improved body percept facilitates further improvements in tone (Loram, 2017).
Using EMG to record muscle activity, one study found AT lessons decreased axial stiffness by 29% on average in subjects with low back pain while resisting rotation, leading the authors to suggest that dynamic modulation of postural tone can be enhanced through long-term training in the AT (Cacciatore et al., 2011). As the research on AT and tone indicates, changes in distribution and adaptivity of tone affect movement and balance. In a broad sense, tone is a foundational system that affects other aspects of motor behavior.
Changes in tone from AT-based instructions suggest that executive function can influence tone and body schema (Cohen et al., 2015; Cohen et al., 2020). This process may be related to what movement scientists call kinesthetic motor imagery, although such studies mostly examine the mental representation of overt movement rather than mental representations of desired postural states (Cacciatore et al., 2020).
Changes in body schema could also underlie changes in the adaptivity of tone. Postural tone (possibly in interaction with body schema) forms the central thesis of the current theoretical model of the AT proposed by Cacciatore et al. (2020). Because body schema is used as a central reference for posture, movement planning, and execution; its accuracy, precision, and integration with the motor system are likely to have widespread motor effects. Postural tone and body schema are similar in that both concern neurophysiological states rather than sequential processes involved in actions (Gurfinkel et al., 2006), and both are particularly suited to influence motor behavior in general. While there is no direct evidence that AT changes body schema, innumerous observations from practitioners and students support its relevance to AT practice (Cacciatore et al., 2020).
Parallels in Developmental Coordination Disorder
Developmental Coordination Disorder (DCD) has long been considered a motor disorder, but Martel and colleagues showed plasticity in body schema estimates used for motor control is altered in children and early adolescents with DCD, suggesting different pathology. The clinical assessment of the ability to point to or name several body-parts is generally preserved in children with DCD. This preserved motor learning, together with their noted reliance on vision to control hands and tools, point towards a body schema related deficit (Martel et al., 2022).
Children and early adolescents with DCD have trouble when comparing their predicted and received feedback, leading to difficulties in their body estimate (Pisella et al., 2019). Children with DCD experience difficulties in adjusting their body when their posture is challenged as this requires them to access their body representation for action. Physical therapists usually focus their approach on the body rather than motor disorders, working with children to improve their body awareness and find compensatory strategies (Martel et al., 2022). This sounds strikingly like the learning process in the AT and proposed mechanism of action by Cacciatore et al. (2020).
There have been no brain-imaging studies on AT treatment. However, clues into the brain mechanisms involved in AT lessons may be provided by related imagining research into Developmental Coordination Disorder (DCD). Symptoms of PD closely resemble symptoms of DCD and deficit in ‘body schema’ is hypothesized in both cases (Martel et al., 2022; Cacciatore et al., 2020).
‘Psychological’ Effects of AT
A variety of ‘non-physical’ outcomes of AT lessons including improved perceived general wellbeing and increased confidence were found by Kinsey et al. (2021). While physical effects of the AT are measurable, albeit subtle, non-physical outcomes are often reported and are difficult to quantify. Because AT practitioners and students philosophically conceive of the mind-body as an integrated whole, this interaction is not surprising (Tarr, 2011). Kinsey and colleagues make two informed theory statements on how non-physical outcomes can be generated by AT lessons: because the mind-body connection “improvements in physical wellbeing lead directly to psychological well-being,” and “an experience of mind-body integration leads people to apply AT skills to non-physical situations” (Kinsey et al., 2021).
Research that supports these theory statements can be found in the foundational work in AT & Parkinson’s (PD) done by Dr. Chloe Stallibrass and colleagues at the University of Westminster. A pilot study (Stallibrass, 1997) indicated that, in conjunction with drug therapy, AT could benefit people with PD. In a follow-up study (Stallibrass et al., 2002), ninety-three people with idiopathic Parkinson’s disease were assigned into three groups (AT, massage, and no additional care) and assessed using the ‘Self-assessment Parkinson’s Disease Disability Scale’ (SPDDS), ‘Attitudes to Self-scale’ and ‘Beck Depression Inventory’ (BDI). An additional study (Stallibrass, 2005) investigated retention of skills from the main study by voluntary follow up self-assessment questionnaire responses. The AT group improved compared with the no additional intervention group, pre-intervention to post-intervention on SPDDS tests and was comparatively less depressed post-intervention, supporting evidence that lessons in the AT are likely to lead to sustained benefit for people with Parkinson’s disease and that AT lessons may have non-physical outcomes (Stallibrass et al., 2002).
A study of people with chronic lower back pain found significant differences before and after AT lessons in their constructs of intention, perceived risk, direct attitude, and behavioral beliefs providing more evidence of non-physical outcomes from AT lessons (Kamalikhah et al., 2016). Perhaps not coincidentally, the AT was influential in the creation of some forms of psychotherapy (Tengwall, 1981). Some speculate that these outcomes might be explained by the documented therapeutic qualities of empathic touch (Tarr, 2011; Jones & Glover, 2014).
‘Physical’ outcomes from Volitional Cognitive Behavior
There is also mounting evidence for psychophysical (physical and non-physical, Mindbody) outcomes among musicians applying the AT. A 2014 systematic review of trials found good evidence that AT lessons improve performance anxiety in musicians (Klein et al., 2014). A more recent a study found AT classes for music students may beneficially influence performance related pain, poor posture, excess muscle tension, stress, and performance anxiety (Davies, 2020). Another study of musicians reported that application of the AT to music performance showed improvements vs controls in heart rate variance, self-rated anxiety, and positive attitude to performance, as well as overall music and technical quality as judged by independent experts blind to subjects’ condition assignment (Valentine et al., 1995).
There have been multiple studies led by Dr. Rajal Cohen of the University of Idaho that quantitatively measured differences in axial tone, postural sway, postural uprightness, and step initiation; before and after verbal AT instruction among PD sufferers and healthy individuals (Cohen et al., 2015; Cohen et al., 2020). Improvements were recorded in the lateral center of pressure (CoP) displacement, smoothness of CoP path, axial rigidity (peak torque) and postural sway amplitude in both Parkinson’s patients and healthy individuals when given brief verbal instructions based on common AT directions compared to directions based on popular concepts of effortful posture correction (Cohen et al., 2015). These findings support other evidence that AT ‘thinking’ (direction, conscious autosuggestion, etc.) has distinct, measurable psychophysical outcomes.
Alexander recognized somatosensory defects, which he called ‘faulty sensory awareness’ and sometimes more provocatively ‘debauched kinesthesia’ as diseases of civilization as early as the 1890s. At the heart of most modern cognitive therapeutic modalities is the idea that maladaptive responses from our biology, that result in accumulation of chronic stress (allostatic load), can be cognitively inhibited to alter behavior and/or improve functioning.
Postural tone is a foundational system that affects all other aspects of motor behavior. The AT positively affects postural tone and therefore may indirectly positively affect all other aspects of motor behavior. Improvements in postural tone and body schema can, in turn, cause ‘non-physical’ outcomes because the interconnected nature of the mindbody denies the false dichotomy of physical and nonphysical. Taken together the conclusion supports Alexander’s foundational assertion that ‘use’ (psychomotor behavior) affects the functioning of the human organism.
We can now make educated theory statements that were previously impossible about the questions: What is causing psychophysical change in AT practice and how does it happen?
The answer is most likely a combination of systems related to interoception and proprioception that are recruited in the teaching/learning of the AT. With additional feedback from the instructor, the student’s interoception and proprioception is enhanced, causing modulation of body schema and postural tone. Accumulation of enough experiences of enhanced interoception and proprioception develops the skill of recalling those states volitionally without a teacher.
The possible connections among body schema, postural tone, and motor control suggest an intriguing area of potential research on changes in body schema through AT instruction. Similarities between MECPs (Yoga, Tai chi, Qi gong, etc.), Somatic Education/Therapy, and Psychotherapy should be examined in a comparative study. In addition, these inquiries all have interesting implications for the philosophical mind-body problem.
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