| Biomechanical | Change in anterior–posterior glenohumeral translation from baseline to 6 months (primary outcome), and 12 months. Change in superior–inferior glenohumeral translation from baseline to 6 and 12 months. Change in scapular upward-downward rotations, protraction–retraction and anterior–posterior tilt from baseline to 6 and 12 months. Side to side difference in anterior-posterior glenohumeral translation between the injured shoulder at 6 and 12 months and the non-injured shoulder at baseline. Side to side difference in scapular upward-downward rotations, protraction-retraction and anterior-posterior tilt between the injured shoulder at 6 and 12 months and the non-injured shoulder at baseline.
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Neuromuscular
(the analyses are considered exploratory with no hierarchy between the outcomes) | Change in reaction time from baseline to 6 and 12 months. Change in sway length from baseline to 6 and 12 months. Change in joint position sense from baseline to 6 and 12 months. Side-to-side difference in neuromuscular outcomes between the injured shoulder at 6 and 12 months and the non-injured shoulder at baseline.
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Clinical and patient reported outcomes
(the analyses are considered exploratory with no hierarchy between the outcomes) | Correlations with biomechanical and neuromuscular outcomes Change in WOSI index from baseline to 6 and 12 months. Change in EQ-5D questionnaire from baseline to 6 and 12 months. Change in range of motion from baseline to 6 and 12 months. Correlations between bone-loss and WOSI index, EQ-5D questionnaire, redislocation, and range of motion.
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