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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06319976
Other study ID # P.T.REC/012/004883
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date April 30, 2024
Est. completion date December 30, 2024

Study information

Verified date March 2024
Source Cairo University
Contact Nada Atef, Master
Phone 01227803383
Email hnna1990@yahoo.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Purpose of the study: - To investigate the effect of rotator cuff training on hand grip strength in adults with different body mass index. - To investigate the effect of rotator cuff training on hand grip static endurance in adults with different body mass index. - To investigate the effect of rotator cuff training on hand grip dynamic endurance in adults with different body mass index. - To investigate the effect of rotator cuff training on upper limb function in adults with different body mass index.


Description:

Rotator cuff muscles are considered to be the key dynamic muscles in shoulder stabilization since they contribute significantly to shoulder stability in a number of different ways. They work not only as a dynamic stabilizer but also as static stabilizers because of their orientation and location around the shoulder joint. Several studies revealed the strong relationship between the rotator cuff muscles and hand grip strength. Studies proved the strong correlation between grip strength and rotator cuff strength ,which suggests that assessment of grip strength could be used to monitor the function of the rotator cuff, once baseline readings have been attained during training and rehabilitation . Previous publications revealed significant positive associations between handgrip strength, body mass index (BMI) and physical activity in adult men and women. Worldwide, 31.1% of adults are reported to be physically inactive. Some studies and reports indicate that 20% of the global populace within the age range of 18-64 years comply with the minimum physical activity guidelines for improved health. Overweight and obesity are identified as a constant negative influence on physical activity, regardless of age. Studies proved that weight, height, and BMI have a significant correlation on hand grip strength. As the weight increase hand muscle strength and endurance time also decrease. Subjects in this study will be recruited from the students , employees and faculty members of the faculty of physical therapy, Cairo University.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 60
Est. completion date December 30, 2024
Est. primary completion date October 30, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 35 Years
Eligibility Inclusion Criteria: 1. Adult Subjects of both genders their ages between (18 : 35) years old. 2. Body mass index between (18.5 : 34.9 ) Kg/ m2. 3. Dominant hand is the right hand. Exclusion Criteria: The subjects will be excluded if they have: 1. Traumatic conditions of the upper limb. 2. Previous orthopedic disorders or neurological deficit of the upper limb. 3. Previous surgery of the upper limbs. 4. Any sensory problems. 5. Neuromuscular disease like multiple sclerosis. 6. Pregnancy. 7. Cancer Patients. 8. Subjects under chemotherapy. 9. Immunodeficiency diseases. 10. Psychological disorders (depression - anxiety). 11. Chronic diseases as (diabetes - hypertension).

Study Design


Related Conditions & MeSH terms


Intervention

Other:
open chain exercises for rotator cuff muscles
open chain exercises for rotator cuff muscles, three times per week for six weeks.
Advices for postural correction
Advices for postural correction like neutral position of head and neck, aliening the shoulder and hip and using a foot stool to rest the feet.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Cairo University

Outcome

Type Measure Description Time frame Safety issue
Primary Hand grip strength The JAMAR Hydraulic hand dynamometer is used to measure hand grip strength in (Kg) , It will be evaluated before and after training for each subject in both groups. Each subjects will be asked to grasp the handle with the dominant hand and perform hand grip with maximum effort only during exhalation and after a verbal cue given by the examiner " one, two, three, go". The subjects will be instructed to maintain maximum contraction for 5 seconds. Three measurements will be taken with a rest interval of 60 seconds between trials in order to avoid muscle fatigue during the assessment and the average of the three measurements will be calculated to measure hand grip strength. up to six weeks
Secondary Hand grip static endurance It will be evaluated before and after training for each subject in both groups by using JAMAR Hydraulic hand grip dynamometer, Subjects will be seated in initial position. They will be asked to grip the hand grip dynamometer at 60% of their maximum voluntary contraction (MVC). The duration for which they maintained the grip strength will be noted in seconds. Subjects will be verbally encouraged to maintain the contraction at the set target for as long as possible. The test will be terminated when the subjects fail to maintain the 60% MVC for two consecutive times. Two recordings will be obtained with a gap of five minutes between each effort. up to six weeks
Secondary Hand grip dynamic endurance It will be evaluated before and after training for each subject in both groups by using JAMAR Hydraulic hand dynamometer, After static hand grip endurance test, the subjects will perform the dynamic hand grip endurance test. Subjects will be instructed to give repetitive contractions at 60% of their maximal voluntary contraction (MVC) on the beat of the metronome set at 70 beeps per minute until fatigue set in and they will be no longer able to produce the same intensity of contraction. Number of repetitions will be measured. up to six weeks
Secondary Upper limb function Each subject in both groups will receive and fill the items of Arabic version of The Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire before and after training. The DASH is a 30-item self-report questionnaire designed to evaluate impairments and activity limitations, as well as participation restrictions for both leisure activities and work. Response options range from 1 to 5 (1: no difficulty; 2: mild difficulty; 3: moderate difficulty; 4: severe difficulty; 5: unable). The DASH produces scores between 0 and 100 for each module, in which a high DASH score indicates severe disability. up to six weeks
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