Purpose of the study: This study compares effects of isometric, concentric and eccentric exercises for shoulder muscles by using low load blood flow restriction training on pain, strength and function in patients with SIS.
This study will be conducted at El hadra university hospital, Alexandria, Egypt. Study Design: Randomized Parallel Groups Clinical Trial. Participants: Sixty patients of both genders with unilateral shoulder impingement syndrome, with age range from 30-40 years will be randomly assigned to 1 of 3 groups. All patients will be referred by the orthopedic surgeon who will diagnose shoulder impingement syndrome based on clinical and radiological examination. Group 1: twenty patients will receive concentric training of rotator cuff muscles while applying blood flow restriction for 4 weeks. Group 2: twenty patients will receive eccentric training of rotator cuff muscles while applying blood flow restriction for 4 weeks. Group 3: twenty patients will receive isometric training of rotator cuff muscles while applying blood flow restriction for 4 weeks. The assessment for all groups will be done at baseline and after 4 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
60
It is a method that involves reducing blood flow to a muscle by the application of an external constricting device, such as a blood pressure cuff or tourniquet, to provide mechanical compression of the underlying blood vessels. BFR is applied aiming to enhance blood pooling in the capillary beds of the limb muscles distal to the tourniquet
CairoU
Cairo, Egypt
Muscle strength
All HHD assessments will be done in the form of three trials of 3 seconds of maximal isometric contraction and a 10-second rest period between each measurement. The mean peak force, will be recorded in kilograms (Kgs), and used as the strength measure
Time frame: 20 minutes
Functional assessment
By DASH questionnaire
Time frame: 20 minutes
Pain assessment
By visual analogue scale
Time frame: 15 minutes
Range of motion
By bubble inclinometer
Time frame: 20 minutes
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