Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Measurement of Muscle Strength Using a Manual Muscle Tester in Women With Electrophysiologically Confirmed Carpal Tunnel Syndrome

28. september 2026 opdateret af: Bezmialem Vakif University

The aim of this cross-sectional study is to evaluate muscle strength in female patients with carpal tunnel syndrome (CTS) who have only sensory involvement detected on electromyography. Muscle strength will be assessed using the "Lafayette Manual Muscle Tester®".

The main questions of the study are:

  1. Is there a difference in muscle strength between healthy individuals and female patients with carpal tunnel syndrome?
  2. Is there a difference in muscle strength between female patients with carpal tunnel syndrome who have only sensory involvement and those who have both sensory and motor involvement?
  3. Are there differences in the strength of thumb palmar abduction and adduction, radial adduction and abduction, thumb flexion, extension and opposition, and flexion of the proximal interphalangeal (PIP) and distal interphalangeal (DIP) joints of the fingers between these groups?

The investigators will measure the muscle strength associated with these movements using the "Lafayette Manual Muscle Tester®" in order to objectively evaluate motor involvement in female patients with carpal tunnel syndrome and to compare muscle strength between healthy individuals and patients with different degrees of electrophysiological involvement.

Studieoversigt

Status

Status

Angiver den aktuelle rekrutteringsstatus eller den udvidede adgangsstatus.
Ikke rekrutterer endnu

Betingelser

Betingelser

Den sygdom, lidelse, syndrom, sygdom eller skade, der undersøges. På ClinicalTrials.gov kan tilstande også omfatte andre sundhedsrelaterede problemer, såsom levetid, livskvalitet og sundhedsrisici.

Detaljeret beskrivelse

Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy and develops as a result of compression of the median nerve within the carpal tunnel at the level of the wrist. It manifests with pain in the wrist and hand, paresthesia and sensory loss in the dermatome of the median nerve in the hand (paresthesias may sometimes extend to the entire hand and even the arm), as well as weakness in thumb abduction, opposition, and flexion, and flexion of the second and third fingers at the metacarpophalangeal joints. The carpal tunnel is a structure located in the proximal palmar region of the wrist, bounded superiorly by connective tissue and the carpal ligament and inferiorly by the carpal bones, through which the median nerve and flexor tendons pass. The motor fibers of the median nerve passing through the carpal tunnel innervate the thenar muscle group (abductor pollicis brevis, flexor pollicis brevis-superficial head, and opponens pollicis), as well as the first and second lumbrical muscles; its sensory fibers provide innervation to the first three digits and the lateral aspect of the fourth digit

Among the risk factors for this common entrapment neuropathy are female sex, obesity, age, occupations and activities involving repetitive rotational and flexion movements of the hand, trauma, and pregnancy . The diagnosis of CTS is primarily clinical. It is established based on typical signs and symptoms, such as hand and wrist pain, symptoms occurring or worsening at night, relief with shaking of the hand, and positive Tinel and Phalen signs. Electrophysiological studies (nerve conduction studies and needle electromyography) are used both to confirm the diagnosis of CTS and to exclude other conditions included in the differential diagnosis, such as polyneuropathy, hereditary neuropathy with liability to pressure palsies, and C6 radiculopathy. Nerve ultrasonography (US) is also valuable for demonstrating compression of the median nerve within the carpal tunnel and can additionally identify other lesions affecting the nerve at this level, such as a ganglion cyst .

Although patients with CTS may not have overt motor involvement, clumsiness and impairment of fine motor functions are frequently observed. It has been suggested that these findings may result from impaired sensory feedback required for motor coordination or from a central sensory-motor integration disorder

Changes in muscle strength in patients with sensory involvement only on electromyography can be measured precisely using hand-held dynamometers . Hand-held dynamometers have long been used for the objective assessment of muscle strength. In recent years, electronic versions of these devices have been developed. In our study, muscle strength will be objectively assessed using the "Lafayette Manual Muscle Tester®" by measuring the force exerted by the relevant muscle group during isometric contraction against the measurement pad of the device. Quantitative parameters, including peak force, mean force, and time-dependent changes in force, will be obtained.

Undersøgelsestype

Undersøgelsestype

Beskriver karakteren af ​​en klinisk undersøgelse. Undersøgelsestyper omfatter interventionelle undersøgelser (også kaldet kliniske forsøg), observationsundersøgelser (herunder patientregistre) og udvidet adgang.
Observationel

Tilmelding (Anslået)

Tilmelding

Antallet af deltagere i en klinisk undersøgelse. Den "forventede" tilmelding er det mål for antallet af deltagere, som forskerne skal bruge til undersøgelsen.
42

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiekontakt

Navn og kontaktoplysninger for den person, der kan besvare spørgsmål om tilmelding til en klinisk undersøgelse. Hvert sted, hvor undersøgelsen udføres, kan også have en specifik kontaktperson, som kan være bedre i stand til at besvare disse spørgsmål.

Undersøgelse Kontakt Backup

Studiesteder

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Berettigelseskriterier

De nøglekrav, som personer, der ønsker at deltage i et klinisk studie, skal opfylde eller de egenskaber, de skal have. Kvalifikationskriterier består af både inklusionskriterier (som er nødvendige for at en person kan deltage i undersøgelsen) og eksklusionskriterier (som forhindrer en person i at deltage). Typer af berettigelseskriterier omfatter, om en undersøgelse accepterer raske frivillige, har alders- eller aldersgruppekrav eller er begrænset af køn.

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Kvinde

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Patients who applied to the Bezmialem Vakıf University, Neurology Outpatient Clinic appropriate for eligibility criteria will be enrolled

Beskrivelse

Inclusion Criteria:

  • Age ≥18 years.
  • Female sex.
  • Unilateral or bilateral carpal tunnel syndrome according to the Boston Carpal Tunnel Syndrome criteria.
  • Sensory or motor involvement on electromyography (EMG).
  • Paresthesia, pain, or numbness in the area of the hand innervated by the median nerve for more than 3 months.
  • Presence of Tinel's and Phalen's signs.

Exclusion Criteria:

  • History of hand surgery.
  • Severe cardiovascular disease.
  • Neuromuscular disease affecting muscle strength.
  • Gout.
  • History of hand trauma.
  • History of rheumatoid arthritis or osteoarthritis of the hand or wrist.
  • Pregnancy.
  • Cervical radiculopathy or any upper extremity neuropathy other than carpal tunnel syndrome.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: CASE_CONTROL
  • Tidsperspektiver: CROSS_SECTIONAL

Kohorter og interventioner

Gruppe / kohorte

Gruppe / kohorte

En gruppe eller undergruppe af deltagere i et observationsstudie, der vurderes for biomedicinske eller sundhedsmæssige resultater.
CTS-affected hand

Participants with unilateral or bilateral carpal tunnel syndrome according to the Boston Carpal Tunnel Syndrome criteria will be admitted to this group.

Median and ulnar sensory and motor nerve conduction studies will be performed in both upper extremities.

The comparison of the peak latency of the median and ulnar sensory responses with fourth-finger stimulation will be performed.

Needle electromyography will be performed when necessary to exclude radiculopathy.

Muscle strength of thumb palmar abduction, radial abduction, thumb flexion, extension and opposition, and proximal and distal interphalangeal joint flexion of the fingers will be evaluated using a hand-held dynamometer (Lafayette Manual Muscle Tester®).
Healthy Control Group

Participants without carpal tunnel syndrome will be included in this group. Muscle strength of thumb palmar abduction, radial abduction, thumb flexion, extension and opposition, and proximal and distal interphalangeal joint flexion of the fingers will be evaluated using a hand-held dynamometer (Lafayette Manual Muscle Tester®).

Hvad måler undersøgelsen?

Primære resultatmål

Primære resultatmål

I et klinisk studies protokol er det planlagte resultatmål, der er det vigtigste for at evaluere effekten af ​​en intervention/behandling. De fleste kliniske undersøgelser har ét primært resultatmål, men nogle har mere end ét.
Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Boston Carpal Tunnel Syndrome Questionnaire (BCTSQ)
Tidsramme: 1 day

A questionnaire consisting of 11 questions assessing symptom severity and 8 questions assessing functional status. Higher scores indicate greater disease severity. The Turkish version of the questionnaire has demonstrated validity and reliability. Numerical Rating Scale (NRS), A scale in which patients rate their pain on a numerical scale from 0 to 10. Higher scores indicate greater pain intensity.
1 day
Phalen Test
Tidsramme: 1 day

The patient is asked to flex both wrists and hold the dorsal surfaces of the hands together for 60 seconds. The test is considered positive if pain or paresthesia occurs in the areas innervated by the median nerve, including the thumb, second and third fingers, the radial half of the fourth finger, or the forearm.
1 day
Durkan Test
Tidsramme: 1 day

The patient's forearm is placed in supination, and pressure is applied over the median nerve between the thenar and hypothenar eminences for 30 seconds. The test is considered positive if paresthesia or pain is experienced.
1 day
Tinel Test
Tidsramme: 1 day

In the symptomatic hand, the distal portion of the palmaris longus tendon near the palmar aspect of the wrist is gently percussed with a neurological reflex hammer. The test is considered positive if paresthesia or pain is experienced.
1 day
Electrophysiological Tests
Tidsramme: 1 day

Median and ulnar sensory and motor nerve conduction studies will be performed in both upper extremities. The peak latency of the median and ulnar sensory responses with fourth-finger stimulation will be compared. Needle electromyography will be performed when necessary to exclude radiculopathy.1
1 day
Thumb Palmar Abduction
Tidsramme: 1 day

The hand will be stabilized with the dorsal surface facing the table. The thumb will be positioned in maximum palmar abduction, perpendicular to the plane of the palm. The measurement pad of the device will be placed on the radial aspect of the proximal phalanx of the thumb. The patient will be instructed to push against the measurement pad with maximum force.Thumb Palmar Abduction Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Thumb Radial Abduction Muscle Strength
Tidsramme: 1 day

The forearm will be positioned in supination with the palm facing upward. The patient will be instructed to move the thumb away from the palm in the radial direction. The measurement pad will be placed against the radial aspect of the proximal phalanx of the thumb, and the patient will be instructed to perform maximal radial abduction against the pad. Radial Abduction Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Thumb Extension Muscle Strength
Tidsramme: 1 day

The hand will be stabilized with the dorsal surface facing the table, and the patient will be asked to lift the thumb upward in the sagittal plane. The measurement pad will be positioned against the radial aspect of the distal phalanx of the thumb, and the patient will be instructed to push against the pad with maximum force. Thumb Extension Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Thumb Opposition Muscle Strength
Tidsramme: 1 day

The measurement device will be placed in the palm, with the measurement pad positioned at the level of the fifth finger. The patient will be instructed to perform thumb opposition and push against the measurement pad with maximum force. Thumb Opposition Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Thumb IP Flexion Muscle Strength
Tidsramme: 1 day

The measurement device will be stabilized on a flat surface while the patient performs flexion of the thumb interphalangeal (IP) joint. The patient will be instructed to press the fingertip against the measurement pad with maximum force. Thumb IP Flexion Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Thumb MCP Flexion Muscle Strength
Tidsramme: 1 day

The measurement device will be placed in the palm, with the measurement pad positioned over the third metacarpophalangeal (MCP) joint. The patient will be instructed to perform thumb MCP flexion and push against the measurement pad with maximum force.Thumb MCP Flexion Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Second Finger PIP Flexion
Tidsramme: 1 day

The measurement device will be placed on a flat surface. The patient will be instructed to perform flexion of the proximal interphalangeal (PIP) joint of the second finger and press the fingertip against the measurement pad with maximum force. Second finger pıp flexion Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Second Finger DIP Flexion Muscle Strength
Tidsramme: 1 day

The measurement device will be placed on a flat surface. The patient will be instructed to perform flexion of the distal interphalangeal (DIP) joint of the second finger while the metacarpophalangeal (MCP) and distal interphalangeal (DIP) joints are stabilized and press the fingertip against the measurement pad with maximum force. Second Finger DIP Flexion Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Third Finger PIP Flexion Muscle Strength
Tidsramme: 1 day

The measurement device will be placed on a flat surface. The patient will be instructed to perform flexion of the proximal interphalangeal (PIP) joint of the third finger and press the fingertip against the measurement pad with maximum force. Third Finger PIP Flexion Muscle Strength will be calculated with hand-held dynamometer(Lafayette Manual Muscle Tester ) and reported as kilograms.
1 day
Third Finger DIP Flexion muscle strength
Tidsramme: 1 day

The third finger will be positioned with the MCP and PIP joints stabilized. The measurement pad will be positioned against the palmar aspect of the distal phalanx. The patient will be instructed to perform maximal flexion of the DIP joint against the pad.
1 day

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Sponsor

Den organisation eller person, der igangsætter undersøgelsen, og som har myndighed og kontrol over undersøgelsen.
Bezmialem Vakif University

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

Studiestart

Den faktiske dato, hvor den første deltager blev tilmeldt en klinisk undersøgelse. Den "forventede" undersøgelses startdato er den dato, som forskerne tror vil være undersøgelsens startdato.
1. november 2026

Primær færdiggørelse (Anslået)

Primær færdiggørelse

Den dato, hvor den sidste deltager i et klinisk studie blev undersøgt eller modtog en intervention for at indsamle endelige data for det primære resultatmål. Hvorvidt det kliniske studie sluttede i henhold til protokollen eller blev afsluttet, påvirker ikke denne dato. For kliniske undersøgelser med mere end ét primært resultatmål med forskellige afslutningsdatoer refererer dette udtryk til den dato, hvor dataindsamlingen er afsluttet for alle de primære resultatmål. Den "forventede" primære afslutningsdato er den dato, som forskerne tror vil være den primære afslutningsdato for undersøgelsen.
1. januar 2027

Studieafslutning (Anslået)

Studieafslutning

Den dato, hvor den sidste deltager i et klinisk studie blev undersøgt eller modtog en intervention/behandling for at indsamle endelige data for de primære resultatmål, sekundære udfaldsmål og uønskede hændelser (det vil sige den sidste deltagers sidste besøg). Den "forventede" undersøgelses afslutningsdato er den dato, som forskerne tror vil være undersøgelsens afslutningsdato.
1. februar 2027

Datoer for studieregistrering

Først indsendt

Først indsendt

Den dato, hvor undersøgelsens sponsor eller investigator første gang indsendte en undersøgelsespost til ClinicalTrials.gov. Der er typisk en forsinkelse på et par dage mellem den første indsendte dato og postens tilgængelighed på ClinicalTrials.gov (den første offentliggjorte dato).
9. september 2026

Først indsendt, der opfyldte QC-kriterier

Først indsendt, der opfyldte QC-kriterier

Den dato, hvor undersøgelsens sponsor eller investigator første gang indsender en undersøgelsespost, der er i overensstemmelse med National Library of Medicine (NLM) kvalitetskontrol (QC) gennemgangskriterier. Sponsoren eller investigatoren skal muligvis revidere og indsende en undersøgelsespost en eller flere gange, før NLM's kvalitetskontrolkriterier er opfyldt. Det er sponsorens eller investigatorens ansvar at sikre, at undersøgelsesposten er i overensstemmelse med NLM QC-gennemgangskriterierne.
28. september 2026

Først opslået (Faktiske)

Først opslået

Datoen, hvor undersøgelsesposten først var tilgængelig på ClinicalTrials.gov efter National Library of Medicine (NLM) kvalitetskontrol (QC) gennemgang er afsluttet. Der er typisk en forsinkelse på et par dage mellem den dato, hvor undersøgelsens sponsor eller investigator indsendte undersøgelsesposten, og den første offentliggjorte dato.
29. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

Sidste opdatering sendt

Den seneste dato, hvor ændringer i en undersøgelsespost blev gjort tilgængelig på ClinicalTrials.gov. Der kan være en forsinkelse mellem det tidspunkt, hvornår ændringerne blev indsendt til ClinicalTrials.gov af undersøgelsens sponsor eller investigator (datoen for sidste opdatering afsendt) og den sidste opdatering, der blev sendt.
29. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

Den seneste dato, hvor undersøgelsens sponsor eller investigator indsendte ændringer til en undersøgelsespost, der er i overensstemmelse med National Library of Medicine (NLM) kvalitetskontrol (QC) gennemgangskriterier. Det er sponsorens eller investigatorens ansvar at sikre, at undersøgelsesposten er i overensstemmelse med NLM QC-gennemgangskriterierne.
28. september 2026

Sidst verificeret

Sidst verificeret

Den seneste dato, hvor undersøgelsens sponsor eller investigator bekræftede oplysningerne om en klinisk undersøgelse på ClinicalTrials.gov som nøjagtige og aktuelle. Hvis en undersøgelse med rekrutteringsstatus som rekruttering; rekrutterer endnu ikke; eller aktiv, ikke rekruttering er ikke blevet bekræftet inden for de seneste 2 år, er undersøgelsens rekrutteringsstatus vist som ukendt.
1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

Andre undersøgelses-id-numre

Andre identifikatorer eller ID-numre end NCT-nummeret, der er tildelt til en klinisk undersøgelse af undersøgelsens sponsor, finansieringsgivere eller andre. Disse numre kan omfatte unikke identifikatorer fra andre forsøgsregistre og National Institutes of Health-bevillingsnumre.
  • 2026/130

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

UBESLUTET

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Cookieindstillinger

Vi bruger cookies for at sikre, at vi giver dig den bedste oplevelse på vores hjemmeside. For flere detaljer skal du læse omhyggeligt vores Politik om beskyttelse af personlige oplysninger og cookies. ...>>>Du kan når som helst ændre dine præferencer eller trække dit samtykke tilbage ved at slette cookies fra din hjemmeside eller computer som beskrevet i politikken. Accepter det og vælg dine præferencer ved at markere de tilsvarende felter i afsnittet "Administrer indstillinger" nedenfor. Læs vores servicevilkår omhyggeligt, inden du fortsætter med at bruge nogen del af dette websted.
«Administrer indstillinger