Specific or general exercise strategy for subacromial impingement syndrome–does it matter? A systematic literature review and meta analysis

Table 5 Overall effectiveness of specific exercise strategy and best evidence synthesis across outcomes on short term

Outcome	Inter-group effectiveness^a	Best evidence synthesis
Pain	Yes (moderate [55]) No (moderate [53, 54, 57, 58], low [56])	Insufficient (conflicting) evidence
Function	Yes (moderate [55]) No (moderate [53, 54, 57, 58], low [56])	Insufficient (conflicting) evidence
General strength	Yes (moderate [54]) No (moderate [55, 57], low [56])	Insufficient (conflicting) evidence
^aScapular-stabilizers	Yes (moderate [54]) No (low [56])	Limited evidence
^aProprioception and clinical tests	No (moderate [55, 57]) Yes (moderate [54])	Insufficient evidence
Range of motion	No (moderate [54, 55, 57], low [56])	No evidence

^a Statistical significant effect between groups in favor of specific exercise intervention

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