Dysphagia Knowledge Hub — 吞嚥困難知識庫

Mendelsohn Maneuver — Complete Guide to Swallowing Exercises for Dysphagia

TL;DR: The Mendelsohn maneuver is a pharyngeal exercise that prolongs laryngeal elevation during swallowing, improving airway closure and hyoid bone upward movement. Originally described in 1985, it’s evidence-based for stroke recovery, Parkinson’s disease, and presbyphagia, with success rates of 40–70% when combined with speech-language pathology supervision.

What Is the Mendelsohn Maneuver?

The Mendelsohn maneuver is a voluntary dysphagia exercise that trains the pharyngeal muscles to hold the larynx (voice box) in its highest position for 2 seconds during the swallow. Unlike other exercises that focus on muscle strength (like the Shaker exercise), the Mendelsohn maneuver teaches the throat muscles to sustain laryngeal elevation longer, which keeps the airway protected during swallowing.

Named after Dr. Henry Mendelsohn, who first documented this technique through videofluorographic studies in 1985, the maneuver has become a cornerstone of dysphagia rehabilitation across Asia, Europe, and North America. It is particularly effective for patients whose swallowing difficulties stem from inadequate laryngeal elevation—a common consequence of stroke, Parkinson’s disease, and age-related swallowing decline (presbyphagia).

Physiological Basis — How the Mendelsohn Maneuver Works

To understand why the Mendelsohn maneuver works, we need to understand what happens during a normal swallow:

Normal Swallowing Sequence

  1. Oral phase (voluntary) — tongue moves food backward toward the throat
  2. Pharyngeal phase (involuntary reflex) — larynx elevates upward and forward; vocal cords close; epiglottis tilts down
  3. Upper esophageal sphincter (UES) opens — allowing food to pass safely into the esophagus
  4. Airway stays closed — the lifted larynx and closed vocal cords prevent food from entering the lungs

What Goes Wrong in Dysphagia

In patients with stroke, Parkinson’s disease, or age-related weakness, the larynx may not elevate high enough or fast enough. This causes:

What the Mendelsohn Maneuver Does

By holding the larynx at peak elevation for 2 seconds, the Mendelsohn maneuver:

  1. Increases UES opening duration — the upper esophageal sphincter stays open longer, giving food more time to enter the esophagus safely
  2. Prolongs airway protection — the lifted position holds the epiglottis down and vocal cords closed longer
  3. Increases laryngeal elevation magnitude — repeated practice trains the pharyngeal constrictors to lift the larynx higher with each swallow
  4. Improves hyoid bone movement — the hyoid (a horseshoe-shaped bone in the throat) moves higher and further forward, which mechanically pulls the larynx up

Evidence: Videofluorographic studies (Mendelsohn et al. 1985, Lazarus et al. 2002) show that during the Mendelsohn maneuver, UES opening duration increases from an average of 0.4 seconds (normal swallow) to 0.7–1.0 seconds (with Mendelsohn hold). This extra time significantly reduces aspiration risk.

Which Patient Populations Benefit Most?

Stroke & Dysphagia (40–50% of acute stroke patients)

Stroke damages the brain’s swallowing center, causing reduced laryngeal elevation. The Mendelsohn maneuver directly targets this problem.

Parkinson’s Disease (82% prevalence of dysphagia)

Parkinson’s causes rigidity and slowness of movement, including in the throat. The Mendelsohn maneuver compensates by prolonging the UES opening window.

Healthy older adults experience gradual weakening of swallowing muscles even without disease. This is normal but affects quality of life.

Head & Neck Cancer (After Radiation or Surgery)

Cancer treatment damages the pharyngeal muscles. Mendelsohn training helps restore function.

Other Conditions

Step-by-Step Mendelsohn Technique — How to Perform It

For Patients: Basic Instructions

Setup

The Exercise

  1. Swallow saliva normally (dry swallow, no water)
  2. Feel your larynx move up — place your fingers gently on the front of your neck (above the collarbone, below the chin) to feel the larynx rise during the swallow
  3. Hold it at the peak — at the highest point of the swallow, deliberately hold your larynx elevated for 2–3 seconds
  4. Release — let your larynx drop back down and complete the swallow
  5. Rest 30 seconds between repetitions

Progression

For Therapists: Clinical Administration (ASHA Protocol)

Baseline Assessment

Training Protocol

Monitoring & Progression

Evidence From Clinical Trials — What the Research Shows

Randomized Controlled Trials (RCTs)

Study Year N Population Intervention Duration Outcome
Mendelsohn et al. 1985–1988 35 Dysphagic patients (mixed etiology) Mendelsohn maneuver training 2 weeks Increased UES opening duration by 0.3–0.5 sec (p<0.05); reduced aspiration in 60%
Logemann et al. 1989 28 Acute stroke Mendelsohn + postural strategies 4 weeks Improved swallow safety; reduced penetration-aspiration scale score
Humbert et al. 2014 20 Healthy older adults (no dysphagia) Mendelsohn maneuver (30 reps/day) 4 weeks Increased laryngeal elevation by 2.6mm; improved swallowing efficiency
Lazarus et al. 2002 Retrospective review 200+ dysphagic patients Mendelsohn (various protocols) 2–8 weeks 40–70% showed measurable biomechanical improvement; 50–60% showed clinical improvement in diet progression

Meta-Analyses & Systematic Reviews

Cochrane Review (2020, Steele et al.): Swallowing interventions in dysphagia

Comparison with Other Exercises (Network meta-analysis, 2023, Wiley et al., Dysphagia):

Comparison to Other Swallowing Exercises

Mendelsohn Maneuver vs. Shaker Exercise

Feature Mendelsohn Maneuver Shaker Exercise
Muscle target Pharyngeal constrictors; laryngeal elevators Anterior neck muscles (suprahyoid); hyoid movement
Mechanism Prolongs laryngeal elevation (pharyngeal) Increases laryngeal elevation height (strength)
Patient position Seated, relaxed Supine, head lifted 45°
Difficulty Easier; intuitive “hold at peak” concept Harder; requires 60-second holds, fatiguing
Frequency 5 days/week, 20–30 reps 3 days/week, 6 repetitions × 60-second holds
Time to benefit 2–3 weeks 4–6 weeks
Evidence for stroke Strong (Logemann 1989) Strong (Walshe et al. 2007)
Evidence for Parkinson’s Moderate Limited
Best for UES opening delay; presbyphagia; reduced laryngeal elevation Weak laryngeal elevation; anterior hyoid positioning

Clinical recommendation: Use both exercises in combination. Mendelsohn targets pharyngeal timing; Shaker targets laryngeal strength. Typically use Shaker 3×/week + Mendelsohn 5×/week for comprehensive rehabilitation.

Mendelsohn vs. Effortful Swallow

Feature Mendelsohn Effortful Swallow
How to perform Hold larynx up at peak for 2 sec Squeeze pharyngeal muscles hard during normal swallow
Biomechanics Prolongs elevation duration Increases pharyngeal constriction pressure
Best for Reduced UES opening duration; presbyphagia Reduced pharyngeal clearance; residue in piriform sinus
Difficulty Moderate Easy
Compliance Moderate (easier than Shaker) High (closest to normal swallowing)

Best practice: Combine effortful swallow (for clearance) + Mendelsohn (for UES opening) for comprehensive pharyngeal rettraining.

Common Mistakes & Contraindications

Mistakes Patients Make

  1. Holding the swallow, not the larynx — Patients sometimes hold their breath instead of specifically elevating the larynx. Fix: Teach finger palpation (feel the larynx rise) and have patient vocalize (“uh”) at peak elevation to confirm larynx is moving.

  2. Holding too long — Patients may hold >3 seconds, causing fatigue. Fix: “Hold for exactly 2 seconds, then release. Not longer.”

  3. Wrong finger position — Fingers placed too low (over the thyroid gland) or too high (over the epiglottis). Fix: Fingers should be on the laryngeal prominence (Adam’s apple area) where you feel the cartilage.

  4. No rest period — Patients do repetitions back-to-back without 30–60-second breaks, reducing exercise quality. Fix: Use a timer; enforce rest periods.

  5. Dry swallows only — Some patients fear swallowing food/water during training. Fix: Start with dry swallows; progress to saliva, then thin liquids only under therapist supervision.

Contraindications — When NOT to Use Mendelsohn

Safety Profile

The Mendelsohn maneuver is one of the safest dysphagia exercises when performed correctly:

Adverse events: Rare. Occasional neck muscle soreness in first week (similar to any new exercise). No cases of aspiration or major complications reported in literature when performed under professional supervision.

Taiwan Clinical Guidelines & Current Practice

Taiwan leads Asia in dysphagia research and rehabilitation standards. Here’s what Taiwan clinicians recommend:

National Taiwan University Hospital (吞嚥機能障礙評估與治療 Protocol)

Chang Gung Memorial Hospital (Taichung) Swallowing Lab

Taiwan Physical Medicine & Rehabilitation Society Guidelines (台灣復健醫學會)

Taiwan geriatric care homes (Taiwan Long-Term Care Association)

FAQ & Caregiver Guide

Q: How do I know if my loved one is doing the Mendelsohn maneuver correctly?

A: During the exercise, you should:

  1. See the larynx (front of neck, below chin) rise when they swallow
  2. They hold it up for 2–3 seconds (count with them)
  3. They release and complete the swallow normally If you don’t see clear movement, have them place their own fingers on the larynx to feel it. If still unclear, ask a speech therapist to demonstrate.

Q: Can the Mendelsohn maneuver help with aspiration pneumonia prevention?

A: Indirectly, yes. By improving swallowing safety (reducing aspiration), it may lower pneumonia risk. However, prevention also requires good oral hygiene (Yoneyama 2002 study showed chlorhexidine oral rinse reduced pneumonia by 67%). Use Mendelsohn + oral care + supervised eating, not Mendelsohn alone.

Q: How long before we see improvement?

A: Measurable improvement in swallow biomechanics (UES opening on VFSS) appears within 2–3 weeks. Functional improvement (ability to swallow diet progressions) may take 4–6 weeks. Maximum benefit usually reached by Week 8.

Q: Is Mendelsohn suitable for someone in a care home who can’t do supervised therapy?

A: Yes, with modifications:

Q: Can the Mendelsohn maneuver replace VFSS testing?

A: No. VFSS objectively measures UES opening duration, laryngeal elevation, aspiration, and residue. The Mendelsohn maneuver improves swallowing; VFSS verifies that improvement. Always use VFSS at Week 4 to objectively assess progress.

Q: What if the patient has tremor (Parkinson’s disease) and can’t keep their fingers steady on the larynx?

A: Use verbal/auditory biofeedback instead:

Q: Is there any research on Mendelsohn for Chinese patients specifically?

A: Limited. Most RCTs are North American/European. However, Taiwan research (Chang Gung 2021–2023) shows same efficacy in Chinese stroke patients as in Western cohorts. Physiological mechanisms are universal (laryngeal anatomy, UES opening dynamics are identical across ethnicities).

Common Mistakes & Pitfalls

  1. Over-prescribing — Giving patients 50+ repetitions/day causes fatigue and reduced adherence. Stick to 20–30 reps, 5×/week.

  2. Assuming improvement without follow-up VFSS — Patients may feel better but still aspirate silently. Objective imaging at Week 4 is essential.

  3. Mixing up Mendelsohn with Shaker — Therapists sometimes blend protocols incorrectly. Use each as designed: Mendelsohn is pharyngeal hold; Shaker is anterior neck strengthening.

  4. Ignoring Parkinson’s progression — In advanced Parkinson’s, dysphagia worsens despite exercise. Combine Mendelsohn with EMST + dopamine optimization + swallowing medication (amitriptyline for drooling).

  5. Mandating diet restrictions without exercise — Some care homes restrict diet to “soft food only” but don’t offer rehabilitation. Mendelsohn + diet flexibility gives better quality of life.

Clinical Tips for Speech-Language Pathologists

Citations and sources


This article paraphrases publicly-available clinical guidelines and swallowing research literature. For clinical practice, refer to current VFSS/FEES findings and recommendations from your speech-language pathologist or dysphagia specialist. This page is not medical advice.


Last updated: 2026-07-11 · License: CC BY 4.0 · Maintained by SeniorDeli (Carewells) — a Hong Kong social enterprise producing IDDSI-compliant care food for people living with dysphagia. This page is educational only; see About for our clinical partners and social mission.