A new exercise which may improve the forward displacement of the hyoid bone during swallowing in community dwelling elderly people : A before-after study

A new exercise which may improve the forward displacement of the hyoid bone during swallowing in community dwelling elderly people : A before-after study - A new exercise which may improve the forward displacement of the hyoid bone during swallowing in community dwelling elderly people : A before-after study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030602

Enrollment

Registered

2017-12-30

Start date

2019-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dysphagia

Interventions

The participants will perform the jaw retraction exercise on a daily basis for 28 days(4 weeks) from the day after the first evaluation. The jaw retraction exercise involves moving the mandible bac

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Community dwelling elderly people of over 65 years of age who participated in a local health event. Free and voluntary consent to participate in the study will be obtained.

Exclusion criteria

Exclusion criteria: Those who meet one or more of the following criteria will be excluded from this study: 1. Those with an illness which is likely to cause dysphasia, and that illness is not well controlled or is in a acute state. 2. Those with an illness which is likely to cause dysphasia, and that illness is a progressive disease. 3. Has a medical history of one or more surgeries performed within the oral cavity or throat which may have structurally affected swallowing function. 4. Disorders of consciousness or dementia is present

Design outcomes

Primary

Measure	Time frame
Video Fluoroscopic Swallowing Exam (forward displacement of the hyoid bone) *The second evaluation will take place 4 weeks after the first evaluation, during which time the volunteer will perform the Jaw retraction exercise on a daily basis.	—

Secondary

Measure	Time frame
Age Sex Medical History Hight Weight Dysphagia Assessment Questionnaire Jaw-opening force Jaw-opening speed Tongue Pressure Medical ultrasound (muscles around the oral cavity) Video Fluoroscopic Swallowing Exam (The position of the hyoid bone at rest, elevation of the hyoid bone, hyoid movement time, UES opening width, pharynx passage time, the presence or absence of aspiration and food residue)	—

Countries

Japan

Contacts

Public ContactShohei Hasegawa

Tokyo Medical and Dental University Gerodontology and Oral Rehabilitation, Department of Gerontology and Gerodontology, Graduate School

s.hasegawa.gerd@tmd.ac.jp81-3-5803-5559

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026