Case control study to evaluate different factors (e.g muscle strength, psychological factors) that are associated with full recovery and functional status 6 months after surgical repair of shoulder instability.
In this study the investigators will try to find correlations between different factors and functional abilities of patients 6 months post shoulder surgery. Patients will be examined in a single encounter for muscle strength, fear avoidance beliefs and functional abilities. Functional abilities will be examined using two validated questionnaires: 1. The Western Ontario Shoulder Instability index (WOSI) 2. Disabilities of the Arm, Shoulder and Hand (DASH) Fear avoidance will be evaluated using the Fear Avoidance Belief Questionnaire (FABQ) Muscle strength of the rotator cuff muscles will be measured using Biodex Isokinetic system, model 4.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
SCREENING
Masking
NONE
Enrollment
44
Patients will fill self-reported functional shoulder scales (1. Western Ontario Shoulder Instability index - WOSI, and 2. Disabilities of Arm, Shoulder and Hand questionnaire - DASH), as well as a Fear Avoidance Belief Questionnaire (FABQ).
Isokinetic strength will be measured using a Biodex Isokinetic System 4.0 (Shirley, NY)
IDF Medical Corp
Zrifin, Israel
Western Ontario Shoulder Instability index (WOSI)
Functional scale
Time frame: 26-28 weeks post surgery
Fear avoidance belief questionnaire (FABQ)
Fear avoidance questionnaire
Time frame: 26-28 weeks post surgery
Isokinetic strength
Ratios between Internal and External rotation strength in both shoulders
Time frame: 26-28 weeks post surgery
Disabilities of Arm, Shoulder and Hand Questionnaire (DASH)
Functional scale
Time frame: 26-28 weeks post surgery
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