Development of the jow opening exercise for improving hyoid excursion during the swallow

Development of the jow opening exercise for improving hyoid excursion during the swallow - Development of the jow opening exercise

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021541

Enrollment

Registered

2016-03-18

Start date

2011-09-01

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

stroke

Interventions

Interventions:modified jaw opening exercise/ upward vertical resistance was applied to the jaw while the mouth was closed with the tongue held in the tipper swallow position to prevent the mouth from

one set of five repetitions at 80% maximum voluntary contraction for six week. Control: isometric jaw closing exercise/20% maximum voluntary contraction for six week.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1)dysphagia including hypopharyngeal residue found by videofuluorographic swallowing study(VFSS) (2)the ability to perform the real or sham exercise in this study according to instructions.

Exclusion criteria

Exclusion criteria: (1)level1 to 4 on the Functional Oral Intake Scale(FOIS) (2)past or present temporomandibular joint (TMJ) disease and/or tumor of the head and neck. (3)past or present progressive disease causing dysphagia (e.g., Parkinson's disease).

Design outcomes

Primary

Measure	Time frame
The two points distance between the chin and hyoid (TPDBCH)	—

Secondary

Measure	Time frame
hyoid displacement (HD)/The presence of pharyngeal residue	—

Countries

Japan

Contacts

Public ContactYuji Koyama

Tokai University Oiso Hospital Department of Rehabilitation Medicine

y-koyama@tokai.ac.jp0463-72-3211

Outcome results

None listed

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