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Age-related Changes of Shoulder Muscles

NCT ID: NCT02974452

Last Updated: 2016-11-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-01-31

Study Completion Date

2016-01-31

Brief Summary

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A cross-sectional descriptive study, in which the surface electromyographic activity of five shoulder muscles was compared in three populations: older adults, middle-aged adults and young adults. The evaluation of the electromyographic data offers a suitable foundation to understand aging process.

This supports that surface electromyography provide information about the aged shoulder muscles. Loss of functionality is suffered by a high percentage of older adults, which greatly limits their physical activity. In this sense, this paper presents findings that might be related with possible therapeutic approaches in subsequent studies.

Detailed Description

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The purpose of the present work was to assess neuromotor abnormalities in aging shoulder. Twenty young adults (20-42), 20 middle-aged adults (43-67) and 20older adults (\>68) were recruited. A comparative electromyography (EMG) study was performed on the upper and lower trapezius, middle deltoid, infraspinatus and serratus anterior. The EMG measurement (root mean square (RMS)) and onset time of isometric contractions were analyzed. Body mass index and strength were also tested.

Conditions

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Electromyography

Study Design

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Observational Model Type

ECOLOGIC_OR_COMMUNITY

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Group I: Older adults

healthy subjects older than 68 years old whose shoulder muscle are measured by surface electromyography

No interventions assigned to this group

Group II: Adults

healthy subjects 43 to 67 years old, whose shoulder muscle are measured by surface electromyography

No interventions assigned to this group

Group III: Young adults

healthy subjects 20 to 42 years old, whose shoulder muscle are measured by surface electromyography

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Healthy subjects with no previously manifested symptoms in the shoulder joint and/or the neck during the past year,

Exclusion Criteria

* moderate or severe cognitive impairment, rheumatologic diseases, massive osteoarthritis, tumors, shoulder joint instability, circulatory disorders (hemophilia clotting problems) and dermatological problems exacerbated by contact with skin
Minimum Eligible Age

20 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Alcala

OTHER

Sponsor Role lead

Responsible Party

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Cristina Lirio Romero

Physiotherapist

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Maria Tommes Lacomba, PhD

Role: STUDY_DIRECTOR

University of Alcalá

References

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Lirio Romero C, Torres Lacomba M, Castilla Montoro Y, Prieto Merino D, Pacheco da Costa S, Velasco Marchante MJ, Bodes Pardo G. Mobilization With Movement for Shoulder Dysfunction in Older Adults: A Pilot Trial. J Chiropr Med. 2015 Dec;14(4):249-58. doi: 10.1016/j.jcm.2015.03.001. Epub 2015 Nov 24.

Reference Type RESULT
PMID: 26793036 (View on PubMed)

Phadke V, Camargo P, Ludewig P. Scapular and rotator cuff muscle activity during arm elevation: A review of normal function and alterations with shoulder impingement. Rev Bras Fisioter. 2009 Feb 1;13(1):1-9. doi: 10.1590/S1413-35552009005000012.

Reference Type RESULT
PMID: 20411160 (View on PubMed)

Hermens HJ, Freriks B, Disselhorst-Klug C, Rau G. Development of recommendations for SEMG sensors and sensor placement procedures. J Electromyogr Kinesiol. 2000 Oct;10(5):361-74. doi: 10.1016/s1050-6411(00)00027-4.

Reference Type RESULT
PMID: 11018445 (View on PubMed)

Other Identifiers

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UAlcalaH

Identifier Type: -

Identifier Source: org_study_id