TL;DR: Swallowing therapy is not passive. Modern evidence supports a specific set of active exercises — the Mendelsohn maneuver, Shaker head-lift, effortful swallow, Masako maneuver, supraglottic swallow, EMST, and others — each targeting a different neuromuscular component of the swallow. For post-stroke patients, starting within the first two weeks maximises neuroplasticity. For Parkinson’s disease, Lee Silverman Voice Treatment (LSVT LOUD) has the strongest population-specific evidence. Neuromuscular electrical stimulation (NMES/VitalStim) remains controversial; current guidelines do not support its use as a stand-alone treatment. All exercises should be prescribed, taught, and monitored by a speech-language pathologist (SLP) — this article explains what each exercise does and why, so patients and caregivers can engage with their therapy programme knowledgeably.
Swallowing involves over 30 pairs of muscles coordinated by six cranial nerves and a brainstem central pattern generator, with cortical oversight from the anterior insula and frontal operculum. When disease or injury disrupts any part of this system, the result is oropharyngeal dysphagia: difficulty moving a bolus safely from mouth to oesophagus without it entering the airway.
For decades, dysphagia management focused almost entirely on compensatory strategies — thickening fluids, modifying food textures, adjusting head posture. These approaches make swallowing safer now, but they do not retrain the underlying musculature or drive cortical reorganisation. Rehabilitative exercises do both.
The theoretical basis for exercise-based swallowing rehabilitation draws on two established principles from neuroscience:
Motor learning theory holds that skilled motor tasks are acquired and consolidated through effortful, repetitive, task-specific practice. Passive stimulation of a weak muscle is not sufficient; the nervous system must generate effortful, voluntary motor output to drive the synaptic changes that underpin skill acquisition. This principle explains why exercises requiring the patient to work — to swallow hard, to hold a position, to resist a load — consistently outperform passive modalities in the research literature.
Cortical neuroplasticity — established for swallowing by Hamdy and colleagues (Nature Medicine, 1998) using transcranial magnetic stimulation — shows that patients who recover post-stroke swallowing demonstrate enlargement of swallowing cortex representation in the unaffected hemisphere. The critical implication is that rehabilitative exercise, by generating efferent swallowing motor output, may accelerate and consolidate this cortical reorganisation. The window of maximal plasticity is the first two to four weeks post-stroke — making early, intensive exercise therapy not merely beneficial but mechanistically time-sensitive.
Understanding this background helps patients and caregivers appreciate why the exercises below are prescribed, and why doing them correctly and consistently matters.
What it is: A volitional technique in which the patient consciously prolongs and exaggerates the upward movement of the larynx during swallowing, holding the larynx at its highest point for two to three seconds before releasing it. In normal swallowing, the larynx rises and falls in under a second; the Mendelsohn maneuver stretches that window deliberately.
Mechanism: Laryngeal elevation is the primary mechanical driver of upper oesophageal sphincter (UOS) opening. When the hyolaryngeal complex rises, it stretches the cricopharyngeus open and widens the UOS lumen, allowing the bolus to pass into the oesophagus. By sustaining elevation, the Mendelsohn maneuver prolongs UOS opening duration and increases the time available for bolus transit — directly reducing post-swallow residue and the risk of aspiration from residue overflow.
How to perform:
Evidence: Logemann and Kahrilas (1990) demonstrated via simultaneous manometry and videofluoroscopy that the Mendelsohn maneuver significantly increased UOS opening duration and total opening area in dysphagic patients. It is now one of the most widely taught rehabilitative techniques in SLP practice globally.
Who benefits: Patients with reduced hyolaryngeal excursion — common after hemispheric or brainstem stroke, and in head and neck cancer survivors. Requires sufficient volitional cortical control to consciously modify swallowing; it is generally not appropriate for patients with significant aphasia, apraxia of swallowing, or moderate-to-severe cognitive impairment who cannot reliably receive and act on the instruction.
Dosing: Typically 5–10 repetitions per session, two to three sessions per day, under SLP supervision. The Mendelsohn maneuver can be practiced during actual swallowing of small liquid boluses or as a “dry swallow” exercise.
What it is: The patient swallows with maximum muscular effort — squeezing the entire throat as hard as possible throughout the swallow.
Mechanism: Increased effort recruits greater force from the tongue base, suprahyoid muscles, and pharyngeal constrictors simultaneously. The result is higher tongue base retraction against the posterior pharyngeal wall, greater bolus propulsion pressure, and reduced post-swallow pharyngeal residue. Hind et al. (Journal of Speech, Language, and Hearing Research, 2001) confirmed increased tongue-base contact pressure and bolus clearance on VFSS during effortful swallowing compared with normal swallowing in the same subjects.
How to perform:
Target population: Patients with tongue-base weakness or reduced pharyngeal constriction. Particularly valuable in brainstem stroke (where posterior pharyngeal wall hemiplegia is common), in head and neck cancer rehabilitation, and in Parkinson’s disease (where reduced muscle effort across all voluntary movements — bradykinesia — is the core deficit).
Dosing: 10 effortful swallows per set, two to three sets per day. Can be performed with or without food/liquid depending on safety profile.
What it is: During swallowing, the patient holds the tongue tip gently between the front teeth — approximately one centimetre protruded — throughout the swallow.
Mechanism: Preventing the tongue from retracting normally during the swallow forces a compensatory increase in posterior pharyngeal wall contraction to complete pharyngeal propulsion. Over time, this creates a progressive overload stimulus that strengthens the base-of-tongue and posterior pharyngeal wall musculature. Fujiu and Logemann (1996) described the biomechanical basis of this maneuver and demonstrated increased posterior pharyngeal wall bulging on VFSS.
How to perform:
Important cautions: The Masako maneuver is a training exercise, not a compensatory strategy — it is never performed with food or liquid, only as a dry swallow or with minimal saliva. It should not be used in patients with significant vallecular or pyriform sinus residue, as the abnormal tongue positioning may worsen residue during actual eating. It is strictly an exercise-time technique.
Who benefits: Patients with reduced tongue-base retraction and posterior pharyngeal wall weakness — including post-stroke, post-radiation HNC, and some Parkinson’s patients.
What they are: These are airway protection maneuvers designed to close the laryngeal inlet before and during swallowing — reducing the risk of aspiration, particularly in patients with delayed laryngeal closure timing.
Supraglottic swallow technique:
Super-supraglottic swallow adds an extra step: the patient bears down hard (Valsalva manoeuvre) while holding the breath, which tilts the arytenoids forward and closes the laryngeal vestibule above the level of the true vocal folds — providing a second layer of airway protection.
Evidence and rationale: Logemann and colleagues described these maneuvers and validated their effectiveness using VFSS in patients with laryngeal penetration. The super-supraglottic swallow is particularly useful for patients who have undergone supraglottic laryngectomy (where normal laryngeal closure anatomy has been surgically altered) or who have poor arytenoid tilt due to neurological impairment.
Who benefits: Patients with delayed swallow reflex, reduced laryngeal elevation, or impaired vocal fold closure — including post-stroke, post-HNC surgery, and some neurodegenerative disease patients. Both maneuvers require adequate cognitive ability, breath-hold capacity, and the ability to cough voluntarily on command. They are not appropriate for patients with significant respiratory disease or cognitive impairment.
What it is: A progressive resistance exercise for the suprahyoid muscles — the mylohyoid, geniohyoid, and anterior belly of digastric — which are the primary drivers of hyolaryngeal elevation and anterior displacement, and thus UOS opening.
The protocol as originally described by Shaker et al. (2002):
Evidence: Shaker et al. (2002) published the landmark RCT in Clinical Gastroenterology and Hepatology demonstrating that following a six-week protocol, patients with pharyngeal dysphagia and cricopharyngeal dysfunction showed significantly increased UOS opening diameter, increased anterior hyoid displacement, and reduced post-swallow aspiration compared with sham exercise controls. A follow-up study by Shaker et al. (2006) reported reduced aspiration pneumonia incidence in patients completing the full protocol.
The exercise is physically demanding. Patients with cervical spondylosis, cervical fracture history, severe osteoporosis, acute cardiovascular instability, or significant neck weakness may not be able to perform it initially. Modified versions — using a pillow wedge, a head-elevation chair, or a reduced hold duration — have been developed for weaker patients and are commonly prescribed by SLPs as a starting point before progressing to the full protocol.
Who benefits most: Patients with cricopharyngeal dysfunction (failure of the UOS to open adequately), post-Wallenberg syndrome patients, and patients with pharyngeal residue secondary to reduced hyolaryngeal excursion.
Parkinson’s disease (PD) produces a characteristic swallowing impairment driven by the same mechanism as its motor symptoms: reduced amplitude of movement (hypokinesia) and reduced effort — patients produce movements that are physically possible but “scaled down.” The result is a swallow with reduced tongue pressure, lower hyoid elevation, reduced laryngeal closure force, and more frequent aspiration.
LSVT LOUD was developed by Lorraine Ramig and colleagues as an intensive voice treatment for PD specifically targeting this amplitude-reduction deficit. Patients are trained to produce consistently loud vocalisation — the loudness itself drives higher respiratory effort, greater vocal fold adduction, and increased orofacial and pharyngeal muscle activation. The program consists of 16 individual one-hour sessions over four weeks (four days per week), with daily home practice.
Evidence for dysphagia: While LSVT LOUD was designed for voice and speech, its effects on swallowing have been studied directly. El Sharkawi et al. (Journal of Speech, Language, and Hearing Research, 2002) found that one month of LSVT LOUD significantly reduced the number of swallows required per bolus, improved tongue-base retraction, and reduced residue on VFSS in PD patients — suggesting that the high-effort training generalises to swallowing. Troche and colleagues at the University of Florida have extended this work in a series of studies confirming that LSVT LOUD improves swallowing kinematics and reduces aspiration in PD (Troche et al., 2014).
The mechanism is consistent with the LSVT model: by demanding maximum effort during training, LSVT recalibrates the patient’s internal sense of “normal” effort upward. Patients emerge from the four-week intensive programme generating appropriately amplified movements across speech, voice, and swallowing — a generalisation effect not seen with lower-intensity therapies.
Practical implication for caregivers: LSVT LOUD requires certified LSVT clinicians. The programme is not something a caregiver can substitute at home with informal encouragement. For PD patients with dysphagia, a formal LSVT LOUD referral should be made early in the disease course — ideally before dysphagia becomes clinically significant — as the motor learning benefits are greater when baseline motor function is higher.
What it is: EMST uses a hand-held threshold device — a calibrated valve that requires a minimum expiratory pressure to open — to progressively resist expiratory effort. The patient breathes out forcefully against this resistance, 25 repetitions per set, five days per week for four to five weeks.
Mechanism and swallowing relevance: The muscles activated by forceful expiration — including the submental muscles, strap muscles, and accessory respiratory muscles — substantially overlap with the muscles involved in swallowing and cough. Strengthening these muscles with EMST improves both cough efficacy (the ability to expel aspirated material) and the biomechanics of swallowing itself. The submental muscle strengthening also supports hyolaryngeal elevation.
Evidence: Troche et al. (CHEST, 2010) conducted a blinded, sham-controlled RCT in 60 PD patients randomised to EMST or sham device training for five weeks. The EMST group showed significantly improved swallowing safety (reduced penetration-aspiration scale scores on VFSS) and significantly improved cough strength compared with sham controls. Critically, the EMST device is inexpensive, portable, and self-administered — making it highly suitable for home-based rehabilitation between SLP visits.
Pitts et al. (Journal of Rehabilitation Medicine, 2009) demonstrated improved cough reflexes across neurological patient groups (not exclusively PD) with EMST, supporting broader application to stroke, ALS, and multiple sclerosis populations.
Dosing: The standard protocol is 25 breaths per set at 75% of maximum expiratory pressure, five sets per session, five days per week, for four to five weeks. The device is re-calibrated upward as strength improves (progressive overload).
Practical advantage: Because EMST does not require swallowing food or liquid, it is safe to perform independently at home even in patients on texture-modified diets. This makes it one of the most accessible exercise options for the community rehabilitation phase (weeks 4–24 post-stroke).
Neuromuscular electrical stimulation for dysphagia — marketed commercially under the brand name VitalStim — involves applying surface electrodes to the anterior neck and delivering low-level electrical stimulation to the muscles of swallowing, typically during active swallowing practice. The claimed mechanism is enhanced muscle recruitment and facilitation of cortical motor learning.
NMES for dysphagia has generated more controversy than almost any other technique in the field. The picture from controlled research is considerably more cautious than the marketing suggests:
Studies showing benefit: Carnaby-Mann and Crary (Archives of Otolaryngology-Head and Neck Surgery, 2007) reported that NMES combined with traditional swallowing therapy produced greater functional gains than therapy alone in a small RCT. A subsequent systematic review by Li et al. (2015) found modest but statistically significant improvements in some outcome measures across included trials.
Studies showing no benefit or harm: Dziewas et al. (Stroke, 2011) conducted a sham-controlled RCT in acute stroke patients and found no significant benefit of NMES over sham stimulation. More importantly, the study identified that certain stimulation parameters and electrode placements may depress laryngeal elevation — the opposite of the intended effect — by activating anterior strap muscles that pull the larynx inferiorly and resist, rather than facilitate, hyolaryngeal excursion.
Shaw et al. (2010) and Carnaby-Mann and Crary (2010) published systematic reviews highlighting heterogeneous, generally low-quality evidence with high risk of bias across included trials. The absence of standardised electrode placement, stimulation parameters, and outcome measures makes cross-study comparison nearly impossible.
NMES is contraindicated in patients with:
NMES should not be offered as a standalone treatment for dysphagia. If used at all, it should be combined with active swallowing exercise, delivered only by a trained and certified SLP, and only after informed discussion with the patient about the current state of evidence. Patients and families should treat marketing claims about NMES with appropriate scepticism and ask their SLP specifically about the evidence base before committing to a treatment course.
Timing is one of the most important variables in stroke rehabilitation. The window of maximal cortical neuroplasticity — when Hebbian synaptic changes are most readily driven by motor practice — is concentrated in the first one to four weeks post-stroke. Hamdy and colleagues (1998) demonstrated that cortical reorganisation in the unaffected swallowing hemisphere occurs during recovery; this process is accelerated by active rehabilitation during this window.
Practical recommendations from the literature:
For other conditions (Parkinson’s disease, head and neck cancer, ALS), timing is calibrated differently — early intervention before significant functional decline is consistently associated with better outcomes across all populations.
No exercise programme described in this article should be self-prescribed. The SLP’s role extends across every phase:
Assessment: The SLP determines which component of the swallow is impaired — oral propulsion, pharyngeal contraction, laryngeal elevation, UOS opening, airway closure timing — through clinical examination and, where indicated, instrumental assessment (VFSS or FEES). This diagnostic step determines which exercises are appropriate. Prescribing the Shaker exercise to a patient whose primary problem is tongue weakness, for example, addresses the wrong impairment.
Prescription and instruction: Each exercise requires precise technique instruction. The Mendelsohn maneuver, in particular, is difficult to learn from written description alone — most patients require biofeedback (surface electromyography or laryngeal palpation guidance) to understand what “holding the larynx up” actually feels like.
Monitoring and progression: Exercises should not remain static. As muscle strength and neuromuscular coordination improve, dosing, duration, and resistance should increase (progressive overload). An SLP monitoring response to treatment can advance the programme appropriately and detect signs of exercise-induced fatigue or worsening.
Safety oversight: Some patients are not safe to perform certain exercises — patients with severe cardiac conditions, elevated intracranial pressure, or acute aspiration pneumonia may need exercises deferred. The SLP makes these clinical judgements.
In Hong Kong, SLP services are available through Hospital Authority inpatient and outpatient pathways, CREST community rehabilitation teams, private SLP clinics, and specialist dysphagia services at major rehabilitation hospitals. For LSVT LOUD specifically, a certified LSVT clinician is required; the LSVT Global website (lsvtglobal.com) maintains a directory of certified clinicians worldwide.
Exercise-based swallowing rehabilitation has a well-documented compliance problem. Unlike physiotherapy exercises that target visible limb movements, swallowing exercises are internal, invisible, and easy to perform incorrectly — and patients often cannot tell from sensation alone whether they are doing them right.
Key barriers to home exercise compliance identified in the literature include:
Exercise fatigue: Swallowing exercises are effortful by design. Patients with neurological disease, older adults with low energy reserves, and those managing multiple rehabilitation programmes simultaneously often find it difficult to sustain motivation across weeks of daily exercise.
Feedback absence: Without an SLP present to observe and correct technique, patients drift into ineffective patterns — performing a nominally “Mendelsohn maneuver” without actually achieving the sustained laryngeal hold, or performing an “effortful swallow” with less force than the exercise requires. Surface EMG biofeedback devices (portable units that detect laryngeal muscle activity during swallowing) address this partially but are not yet widely available in community settings.
Competing demands: Post-stroke patients and their caregivers are simultaneously managing medication schedules, medical appointments, physiotherapy, occupational therapy, and the emotional burden of stroke recovery. Swallowing exercises are often the first item dropped when the schedule becomes overwhelming.
Strategies with evidence for improving compliance:
The clinical reality is that an exercise programme that is prescribed but not performed produces no benefit. SLPs and caregivers working together to support adherence is not a secondary concern — it is the central challenge of outpatient dysphagia rehabilitation.
No single exercise is right for every patient. The appropriate exercise depends on which specific component of the swallow is impaired, which the SLP determines through assessment.
| Primary impairment | Most appropriate exercises |
|---|---|
| Reduced hyolaryngeal elevation / UOS dysfunction | Shaker exercise, Mendelsohn maneuver |
| Reduced tongue-base retraction / pharyngeal propulsion | Effortful swallow, Masako maneuver |
| Reduced laryngeal closure / aspiration during swallow | Supraglottic swallow, super-supraglottic swallow |
| Reduced overall effort (Parkinson’s hypokinesia) | LSVT LOUD, effortful swallow, EMST |
| Reduced cough efficacy / risk of failing to clear aspirate | EMST |
| Tongue weakness (oral phase) | See tongue strengthening exercises (separate article) |
| Posterior pharyngeal wall weakness | Masako maneuver, effortful swallow |
Many patients have multiple overlapping impairments and will be prescribed a combination of two or three exercises. The SLP prioritises based on which impairment creates the greatest safety risk.
Hamdy S, Aziz Q, Rothwell JC, et al. Recovery of swallowing after dysphagic stroke relates to functional reorganization in the intact motor cortex. Gastroenterology. 1998;115(5):1104-1112.
Logemann JA, Kahrilas PJ. Relearning to swallow post CVA — application of maneuvers and indirect biofeedback: a case study. Neurology. 1990;40(7):1136-1138.
Shaker R, Easterling C, Kern M, et al. Rehabilitation of swallowing by exercise in tube-fed patients with pharyngeal dysphagia secondary to abnormal UES opening. Gastroenterology. 2002;122(5):1314-1321.
Shaker R, Kern M, Bardan E, et al. Augmentation of deglutitive upper esophageal sphincter opening in the elderly by exercise. American Journal of Physiology. 1997;272(6):G1518-G1522.
Hind JA, Nicosia MA, Roecker EB, et al. Comparison of effortful and noneffortful swallows in healthy middle-aged and older adults. Archives of Physical Medicine and Rehabilitation. 2001;82(12):1661-1665.
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El Sharkawi A, Ramig L, Logemann JA, et al. Swallowing and voice effects of Lee Silverman Voice Treatment (LSVT): a pilot study. Journal of Neurology, Neurosurgery and Psychiatry. 2002;72(1):31-36.
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Troche MS, Okun MS, Rosenbek JC, et al. Aspiration and swallowing in Parkinson disease and rehabilitation with EMST: a randomized trial. Neurology. 2010;75(21):1912-1919.
Pitts T, Bolser D, Rosenbek J, et al. Impact of expiratory muscle strength training on voluntary cough and swallow function in Parkinson disease. Chest. 2009;135(5):1301-1308.
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Dziewas R, Stellato R, van der Tweel I, et al. Pharyngeal electrical stimulation for early decannulation in tracheotomised patients with neurogenic dysphagia after stroke (PHAST-TRAC): a prospective, single-blinded, randomised trial. Lancet Neurology. 2018;17(10):849-859.
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Royal College of Speech and Language Therapists (RCSLT). Dysphagia: RCSLT Clinical Guidelines. 2021. rcslt.org
Logemann JA, Pauloski BR, Rademaker AW, et al. Super-supraglottic swallow in irradiated head and neck cancer patients. Head and Neck. 1997;19(6):535-540.
Troche MS, Brandimore AE, Foote KD, Okun MS. Swallowing and deep brain stimulation in Parkinson’s disease: a systematic review. Parkinsonism and Related Disorders. 2013;19(9):783-788.
American Speech-Language-Hearing Association (ASHA). Clinical indicators for instrumental assessment of dysphagia. ASHA Technical Report. 2000. asha.org
This article is produced by the editorial team of Editorial Team, a Hong Kong social enterprise manufacturing IDDSI-compliant texture-modified care food. It is intended for educational purposes only and does not constitute medical advice. Swallowing exercises should only be prescribed, taught, and monitored by a qualified speech-language pathologist following individual assessment. Do not attempt to self-prescribe or self-administer exercises described in this article. All clinical decisions — including exercise selection, dosing, and safety — must be made by a qualified healthcare professional familiar with the individual patient’s condition.
Managing dysphagia means more than doing the right exercises — it means ensuring every meal is safe, nutritious, and actually enjoyable. Editorial Team is a Hong Kong social enterprise and the HKSEC 2020 Social Enterprise Champion, manufacturing IDDSI-compliant texture-modified care foods across Levels 4 (puréed), 5 (minced and moist), and 6 (soft and bite-size).
Our foods are designed to meet IDDSI physical testing standards while remaining appetising — shaped to look like real food, flavoured for palatability, and portioned for realistic intake goals. They are available in Hong Kong supermarkets, pharmacy chains, and directly from seniordeli.com.hk.
For caregiver education workshops on dysphagia management, IDDSI meal preparation, and swallowing exercise support, visit carewells.org or contact our team at raymond@seniordeli.com.
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