Rotator Cuff Tear Severity and Scapular and Rotator Cuff Muscle Activation Patterns
NCT ID: NCT05946343
Last Updated: 2023-07-14
Study Results
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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UNKNOWN
100 participants
OBSERVATIONAL
2023-07-15
2024-01-15
Brief Summary
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The primary objective of this study is to determine whether a relationship exists between the severity of rotator cuff tears and the activation patterns of scapular and rotator cuff muscles. Secondary objectives include:
1. Identifying differences in muscle activation patterns between varying tear sizes.
2. Evaluating the potential of these activation patterns as an indicator for the severity of rotator cuff tears.
3. Assessing the influence of muscle activation patterns on the functional capacity of the affected shoulder.
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Detailed Description
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Conditions
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Study Design
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OTHER
CROSS_SECTIONAL
Study Groups
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Small Rotator Cuff Tear Group
The Cofield classification system is a commonly cited classification system for full-thickness rotator cuff tears. It is based on the size of the tear. Small tear: Less than 1 cm.
Surface Electromyography (sEMG) Assessment
Surface electromyography (sEMG) will be used to assess the activation patterns of scapular and rotator cuff muscles during functional tasks, such as shoulder flexion, abduction, and external rotation. The sEMG assessment will be conducted using a wireless sEMG system with a sampling rate of 2000 Hz and a bandwidth of 20-500 Hz. Pre-gelled, disposable, self-adhesive Ag/AgCl electrodes will be placed on the muscle belly according to SENIAM guidelines, with an inter-electrode distance of 20 mm.
Medium Rotator Cuff Tear Group
The Cofield classification system is a commonly cited classification system for full-thickness rotator cuff tears. It is based on the size of the tear. Medium tear: 1-3 cm
Surface Electromyography (sEMG) Assessment
Surface electromyography (sEMG) will be used to assess the activation patterns of scapular and rotator cuff muscles during functional tasks, such as shoulder flexion, abduction, and external rotation. The sEMG assessment will be conducted using a wireless sEMG system with a sampling rate of 2000 Hz and a bandwidth of 20-500 Hz. Pre-gelled, disposable, self-adhesive Ag/AgCl electrodes will be placed on the muscle belly according to SENIAM guidelines, with an inter-electrode distance of 20 mm.
Large Rotator Cuff Tear Group
The Cofield classification system is a commonly cited classification system for full-thickness rotator cuff tears. It is based on the size of the tear. Large tear: 3-5 cm
Surface Electromyography (sEMG) Assessment
Surface electromyography (sEMG) will be used to assess the activation patterns of scapular and rotator cuff muscles during functional tasks, such as shoulder flexion, abduction, and external rotation. The sEMG assessment will be conducted using a wireless sEMG system with a sampling rate of 2000 Hz and a bandwidth of 20-500 Hz. Pre-gelled, disposable, self-adhesive Ag/AgCl electrodes will be placed on the muscle belly according to SENIAM guidelines, with an inter-electrode distance of 20 mm.
Massive Rotator Cuff Tear Group
The Cofield classification system is a commonly cited classification system for full-thickness rotator cuff tears. It is based on the size of the tear. Massive tear: Greater than 5 cm
Surface Electromyography (sEMG) Assessment
Surface electromyography (sEMG) will be used to assess the activation patterns of scapular and rotator cuff muscles during functional tasks, such as shoulder flexion, abduction, and external rotation. The sEMG assessment will be conducted using a wireless sEMG system with a sampling rate of 2000 Hz and a bandwidth of 20-500 Hz. Pre-gelled, disposable, self-adhesive Ag/AgCl electrodes will be placed on the muscle belly according to SENIAM guidelines, with an inter-electrode distance of 20 mm.
Interventions
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Surface Electromyography (sEMG) Assessment
Surface electromyography (sEMG) will be used to assess the activation patterns of scapular and rotator cuff muscles during functional tasks, such as shoulder flexion, abduction, and external rotation. The sEMG assessment will be conducted using a wireless sEMG system with a sampling rate of 2000 Hz and a bandwidth of 20-500 Hz. Pre-gelled, disposable, self-adhesive Ag/AgCl electrodes will be placed on the muscle belly according to SENIAM guidelines, with an inter-electrode distance of 20 mm.
Eligibility Criteria
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Inclusion Criteria
* Diagnosis of rotator cuff tear confirmed by a qualified orthopedic surgeon.
* MRI scan showing the size of the tear (small, medium, large, or massive).
* Ability to provide informed consent and comply with the study protocol.
Exclusion Criteria
* Presence of neurological, cardiovascular, or respiratory disorders that could influence muscle activation patterns.
* Contraindications for sEMG assessment, such as skin allergies or infections.
* Inability to perform the required functional tasks due to severe pain or disability.
18 Years
60 Years
ALL
No
Sponsors
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Ahram Canadian University
OTHER
Responsible Party
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Mohamed Magdy ElMeligie
Lecturer of Physical Therapy and Director of Electromyography Lab
Principal Investigators
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Amal Fawzy, Ph.d
Role: STUDY_CHAIR
Faculty of Physical Therapy, Ahram Canadian University
Locations
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Outpatient clinic of faculty of physical therapy, Ahram Canadian University
Al Ḩayy Ath Thāmin, Giza Governorate, Egypt
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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012/09978882023
Identifier Type: -
Identifier Source: org_study_id
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