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Posture, Tongue Position and Pronunciation

13 juni 2026 uppdaterad av: Gali Dar, University of Haifa

The Relationship Between Posture, Tongue Position and Hebrew Sibilant Consonants Pronunciation, and the Effect of Muscle Strengthening Program in Children and Teenagers

Background: The main speech organ that affects the pronunciation of the various vowels is the tongue. The relationships between posture and voice, and between the position of the tongue at rest and posture, have been proven, but the relationship between pronunciation and posture has not yet been proven. The rationale for examining this relationship is that the imbalance and differing loads in poor neck and head posture cause different muscular arrangements of the muscles that support the jaw, tongue, and neck, which will thus affect pronunciation.

Objectives: To examine the relationship between posture, tongue position, and the correct pronunciation in subjects with and without pronunciation disorders. In addition, to examine the effect of a muscle strengthening program on these characteristics.

Methods: The study will include two parts. The first part will be a cross-sectional study using a questionnaire to examine speech therapists' perceptions of the relationship and importance of posture and pronunciation. The second part will include a prospective interventional clinical study to examine the relationship between tongue position at rest and pronunciation, posture, and muscle strength. In addition, the effect of adding muscle-strengthening training to conventional pronunciation therapy on the process of acquiring correct pronunciation will be examined.

Studieöversikt

Detaljerad beskrivning

This study will examine the relationship between posture, tongue position, and correct pronunciation in subjects with and without pronunciation disorders. In addition, we will examine the effect of a muscle-strengthening program on these characteristics.

The first part will include an online questionnaire to examine speech therapists' perceptions of the relationship and importance of posture in speech therapy treatment.

The second part will include a prospective interventional clinical study with participants with and without pronunciation disorders. The evaluation measures will include: assessment of the pronunciation by a speech therapist, assessment of posture (mobile app), assessment of tongue position at rest and during pronunciation (observation and ultrasound), measurement of neck and upper limb muscle strength (manual dynamometer), tongue strength (digital measuring spoon), jaw closing muscle strength (Byte), breathing, and swallowing (observation).

The study group with pronunciation disorder will be divided into 2 groups: the intervention group will receive an exercise program to strengthen the neck and upper-limb muscles in addition to regular speech therapy treatments. The control group will receive the regular speech therapy treatments. The evaluation measures will be reviewed again at the end of the treatment series (up to 10 treatments).

Studietyp

Interventionell

Inskrivning (Beräknad)

80

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Barn

Tar emot friska volontärer

Ja

Beskrivning

Inclusion Criteria:

  • People with normal hearing
  • with and without pronunciation disorders

Exclusion Criteria:

  • Children and teenagers who study in special education settings,
  • children and teenagers with phonological disorders at the prosodic or segmental level,
  • children and teenagers whose parents are under the impression that they do not hear well.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Enda

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: excercise
will receive speech therapy treatment and, in addition, exercises for the neck and upper extremities.
speech therapy treatment and strengthening exercise
Aktiv komparator: Control
will receive regular speech therapy treatment according to their disorder
regular treatment to enhance good pronunciation
Inget ingripande: healthy control
healthy control for baseline comparison, no treatment

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Treatment success
Tidsram: at completion of intervention - up to 10 weeks
number of treatments until good pronunciation is achieved
at completion of intervention - up to 10 weeks

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
neck muscle strength
Tidsram: baseline, at completion of intervention - - up to 10 weeks
flexion and side flexion neck muscle strength via hand held dynamometer. Recorded in kilograms of force (kgf)
baseline, at completion of intervention - - up to 10 weeks
Tongue strength
Tidsram: base line, at completion of intervention - - up to 10 weeks
Tongue strength will be assessed using a digital measuring spoon. Measurements will be recorded in g/cm2
base line, at completion of intervention - - up to 10 weeks
Jaw closing strength
Tidsram: base line, at completion of intervention- - up to 10 weeks
jaw closing strength via Byte device
base line, at completion of intervention- - up to 10 weeks
Tongue thickness
Tidsram: base line, at completion of intervention- - up to 10 weeks
Tongue thickness will be measured using ultrasonography. Measurements will be recorded in millimeters (cm).
base line, at completion of intervention- - up to 10 weeks

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

1 juli 2026

Primärt slutförande (Beräknad)

1 juli 2028

Avslutad studie (Beräknad)

1 juli 2028

Studieregistreringsdatum

Först inskickad

3 juni 2026

Först inskickad som uppfyllde QC-kriterierna

13 juni 2026

Första postat (Faktisk)

16 juni 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

16 juni 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

13 juni 2026

Senast verifierad

1 juni 2026

Mer information

Termer relaterade till denna studie

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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