Exercise Therapy Is Effective for Improvement in Range of Motion, Function, and Pain in Patients With Frozen Shoulder: A Systematic Review and Meta-analysis
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Published on: November 17, 2023
Michel G Mertens1, Lotte Meert1, Filip Struyf2
1Research Group Move Antwerp (MOVANT), Department of Rehabilitation Sciences and Physiotherapy (REVAKI), University of Antwerp, Wilrijk, Belgium; Pain in Motion International Research Group, Belgium.
Objective(S):
To determine (1) the effect of exercise therapy alone or in combination with other interventions compared with solely exercises and programs with or without exercises and (2) what kind of exercise therapy or combination with other interventions is most effective.
Data Sources:
PubMed, Web of Science and Cochrane Central Register of Controlled Trials.
Study Selection:
Studies were screened in a 2-phase approach by 2 independent reviewers (M.M. and L.M.). Reference lists of included studies and interesting systematic reviews were hand searched.
Data Extraction:
Two independent reviewers (M.M. and L.M.) extracted information about origin, characteristics of study participants, eligibility criteria, characteristics of interventions, outcome measures and main results in a pre-defined template.
Data Synthesis:
Thirty-three studies were included in the qualitative and 19 in the meta-analysis. Preliminary evidence was found for supervised exercises to be more beneficial than home exercises for ROM and function. Multimodal programs comprising exercises may result in little to no difference in ROM compared to solely exercises. Programs comprising muscle energy techniques show little to no difference in ROM when compared with programs with other exercises. Adding stretches to a multimodal program with exercises may increase ROM. There is uncertain evidence that there is a difference between those programs regarding function and pain. Preliminary evidence was found for several treatment programs including exercises to be beneficial for improvement in both passive and active ROM, function, pain, and muscle strength. No studies used patient satisfaction as an outcome measure.
Conclusions:
ROM, function, and pain improve with both solely exercises and programs with exercises, but for ROM and pain there was little to no difference between programs and for function the evidence was uncertain. Adding exercises improve active ROM compared with a program without exercises, whereas adding physical modalities has no beneficial effect. Muscle energy techniques are a beneficial type of exercise therapy for improving function compared with other types of exercise. Unfortunately, no conclusion can be drawn about the results in the long-term and most effective dose of exercise therapy.
