Submitted:
13 September 2025
Posted:
17 September 2025
You are already at the latest version
Abstract
Background: Scapular dyskinesis is a common dysfunction among athletes, particularly in overhead sports, leading to pain, reduced range of motion (ROM), and impaired performance. Movement-based exercises are increasingly used to address these issues, but their overall impact on sports performance remains unclear. Objective: This systematic review aims to evaluate the effects of movement-based exercises on sports performance in athletes with scapular dyskinesis. Methods: A comprehensive search was conducted in Web of Science, Scopus, and PubMed up to July 30, 2025, following PRISMA guidelines. Data were extracted and assessed for risk of bias using RoB-2 and ROBINS-I tools. A narrative synthesis was performed due to study heterogeneity. Results: Fourteen studies (8 RCTs, 6 non-RCTs) comprising 412 athletes (mean age 23.8 ± 3.1 years) were included. Interventions ranged from 6 to 24 weeks and primarily targeted scapular stabilization, neuromuscular control, and proprioception. Across studies, exercise interventions led to consistent reductions in pain and disability, with sustained improvements observed in long-term protocols. Significant gains were reported in ROM (particularly internal rotation), rotator cuff and scapular stabilizer strength, and scapulohumeral rhythm. Several trials also documented enhanced functional performance, including throwing velocity, proprioceptive accuracy, and sport-specific outcomes. Overall, 6–8-weeks programs with two to three sessions per week were effective, while longer or more intensive protocols yielded more durable benefits. Conclusion: Movement-based exercises are effective in enhancing sports performance and reducing disability in athletes with scapular dyskinesis. Tailored rehabilitation programs focusing on scapular stability and neuromuscular control are recommended for optimal outcomes.
Keywords:
1. Introduction
2. Materials and Methods
2.1. Protocol Registration
2.2. Search Strategy
2.3. Eligibility Criteria and Study Selection
2.4. Data Extraction
2.5. Quality Assessment
2.6. Data Synthesis
3. Results
3.1. Study Identification
3.2. Effects of Exercises on Sports Performance
3.2.1. Upper Limb Function and Performance
3.2.2. Range of Motion
3.2.3. Muscle Activity and Strength
3.2.4. Scapular Kinematics
3.2.5. Pain and Disability
3.3. Quality Assessment
4. Discussion
4.1. Impact on Pain and Disability
4.2. Improvements in ROM and Muscle Strength
4.3. Scapular Kinematics and Functionality
4.4. Limitations and Future Directions
4.5. Clinical Implications
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
| ROM | Range of Motion |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| PROSPERO | International Prospective Register of Systematic Reviews |
| PICOS | Population, Intervention, Comparison, Outcome, and Study design |
| ROBINS-I | Risk Of Bias In Non-randomized Studies - of Interventions |
| RCT | Randomized Controlled Trial |
| RoB-2 | Risk of Bias 2 (tool) |
| SWiM | Synthesis Without Meta-Analysis |
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| Database | Complete search strategy |
|---|---|
| Web of Science | athlet* OR sport* OR sportsman* OR sportswoman* OR sportsperson* (Topic) AND exercis* OR train* OR rehabilitat* OR physiotherap* OR "therapeutic exercise" (Topic) AND perform* OR strength* OR mobil* OR "range of motion" OR endurance OR function* OR skill* OR agility OR speed OR power OR injur* OR fatigue OR strength (Topic) AND "scapular dyskinesis" OR "scapular dyskinesia" OR scapul* (Topic) |
| Scopus | ( TITLE-ABS-KEY ( athlet* OR sport* OR sportsman* OR sportswoman* OR sportsperson* ) AND TITLE-ABS-KEY ( exercis* OR train* OR rehabilitat* OR physiotherap* OR "therapeutic exercise" ) AND TITLE-ABS-KEY ( perform* OR strength* OR mobil* OR "range of motion" OR endurance OR function* OR skill* OR agility OR speed OR power OR injur* OR fatigue OR strength ) AND TITLE-ABS-KEY ( "scapular dyskinesis" OR "scapular dyskinesia" OR scapul* ) ) |
| PubMed | (((athlet*[Title/Abstract] OR sport*[Title/Abstract] OR sportsman*[Title/Abstract] OR sportswoman*[Title/Abstract] OR sportsperson*[Title/Abstract]) AND (exercis*[Title/Abstract] OR train*[Title/Abstract] OR rehabilitat*[Title/Abstract] OR physiotherap*[Title/Abstract] OR "therapeutic exercise"[Title/Abstract])) AND (perform*[Title/Abstract] OR strength*[Title/Abstract] OR mobil*[Title/Abstract] OR "range of motion"[Title/Abstract] OR endurance[Title/Abstract] OR function*[Title/Abstract] OR skill*[Title/Abstract] OR agility[Title/Abstract] OR speed[Title/Abstract] OR power[Title/Abstract] OR injur*[Title/Abstract] OR fatigue[Title/Abstract] OR strength[Title/Abstract])) AND ("scapular dyskinesis"[Title/Abstract] OR "scapular dyskinesia"[Title/Abstract] OR scapul*[Title/Abstract]) |
| Inclusion criteria | Exclusion criteria | |
|---|---|---|
| Population | Athletes with diagnosis of scapular dyskinesis | Athletes with scapular dyskinesis and concurrent injuries (e.g., rotator cuff tendinopathy, superior labrum anterior to posterior lesions, labral tears). Scapular dyskinesis in non-athletic populations. |
| Intervention | Movement-based interventions, such as physical activity and other methods that involve active movement. | Other interventions occurring simultaneously. |
| Comparison | Studies investigating the effects of a exercise protocol compared to a control condition (e.g., no exercise or a placebo intervention) as the primary comparison. | Studies without a control condition. |
| Outcome | Pain intensity during activity or at rest should be assessed using the Visual Analog Scale or Numeric Rating Scale, while objective sport-performance metrics relevant to athletic activity, such as jump height, muscle activity measured by electromyography, velocity, and other sport-specific performance measures, should also be collected. | Absence of measurements for pain intensity or performance-related outcomes. |
| Study design | RCTs and non-RCTs. | Single-group intervention; Case studies; Reviews. |
| Study details | Study design | Sample description | Exercise characteristics of EG |
CG intervention | Sports performance measures | Main outcomes |
|---|---|---|---|---|---|---|
| Wen et al., (2025) [5] China |
RCT | N=32 Sex=32 males Age=20.8 ± 2.4 years SD type=NA |
D=8 weeks F=3 per week I=NA T=NA minutes T=EG1: Scapular dyskinesisbased exercise therapy; EG2: Multimodal physical therapy |
NA | Pain, ROM, strength, disability index, scapular kinematics | Disability improved in both groups by week 8 (p < 0.001) and remained only in SDBET at week 12 (p < 0.001). Pain reduced more in MPT at week 8 (p = 0.018) but not at week 12 (p = 0.268). Active ROM improved in both groups by week 8 and remained only in SDBET at week 12 (p < 0.001). Strength improved only in SDBET at weeks 8 and 12 (p < 0.001). Scapular kinematics improved in 43.8% of SDBET participants, with no change in MPT (p = 0.001–0.004). |
| Gholamian et al., (2024) [13] Iran |
RCT | N=30 Sex=30 males Age=26.3 ± 1.4 years SD type=NA |
D=8 weeks F=3 per week I=NA T=NA minutes T=Functional exercises |
Regular tennis training and daily activities | Scapular brachial rhythm, upper limb function | The results indicated that functional exercises significantly improved scapulohumeral rhythm at 0° (p = 0.004), 45° (p < 0.001), 90° (p < 0.001), and 135° (p < 0.001), as well as upper limb function (p = 0.002) in the experimental group. |
| Karimi and Firouzjah, (2024) [14] Iran |
RCT | N=30 Sex=30 females Age=22.7 ± 2.6 years SD type=NA |
D=8 weeks F=3 per week I=NA T=40 minutes T=Scapular stabilization exercises |
Usual daily activities | Specific performance, Shoulder position, Pain | Training led to significant improvements in shoulder position and performance (p = 0.001 for both). The control group also showed performance gains at eight weeks. After adjusting for pre-test scores, post-test differences favored the exercise group in shoulder position (p = 0.001) and performance (p = 0.02). Training also reduced dominant shoulder pain, reinforcing between-group differences at post-test. |
| Khakpourfard et al., (2023) [12] Iran |
RCT | N=30 Sex=30 males Age=26.8 ± 5.5 years SD type=NA |
D=8 weeks F=3 per week I=NA T=25-30 minutes T=suspension training |
NA | Internal and external rotator muscle strength, functional stability, proprioception | There were significant time-by-group interactions for internal rotator strength, external rotator strength, functional stability, and shoulder proprioception accuracy (p = 0.001), indicating that changes over time differed between groups. In addition, there were significant main effects of time and of training across all variables. Specifically, internal rotator strength showed significant effects of time (p = 0.005) and training (p = 0.021); external rotator strength showed time (p = 0.003) and training (p = 0.009); functional stability improved with both time (p = 0.001) and training (p = 0.001); and proprioception accuracy improved with time (p = 0.001) and training (p = 0.001). |
| Paraskevopoulos et al., (2022) [31] Greece |
RCT | N=39 Sex=NA Age=21.8 ± (NA) years SD type=NA |
D=6 weeks F=3 per week I=NA T=60 minutes T=EG1: kinetic chain approach; EG2: mirror cross exercise |
NA | Functional throwing performance index Throwing performance (velocity, strength) |
The Functional throwing performance Index and throwing velocity significantly improved in both the kinetic chain approach (p < 0.011 and p = 0.001) and mirror cross exercise (p = 0.004 and p < 0.001) groups, with no changes in controls. Throwing force increased significantly only in the mirror cross exercise group (P = 0.011). |
| Study details | Study design | Sample description |
Exercise characteristics of EG |
CG intervention | Sports performance measures | Main outcomes |
| Naderifar and Ghanbari, (2022) [35] Iran |
Non-RCT | N=54 Sex=54 females Age=22.2 ± 2.4 years SD type=NA |
D=8 weeks F=3 per week I=moderate T=NA minutes T=Selected Corrective Exercises |
Typical training regimen | Internal and external rotation ROM | Results revealed that, in the experimental group, glenohumeral internal rotation significantly increased (p = 0.001) following the exercise program. No significant changes were observed in the control group. |
| Song et al., (2020) [34] Republic of Korea |
Non-RCT | N=27 Sex=27 males Age=19.6 ± 1.9 years SD type=Sick |
D=8 weeks F=3 per week I=NA T=40 minutes T=Scapular KineticChain Exercise |
NA | Muscle activation | Maximal and mean muscular activation significantly increased after exercise in Normal-Dominant and SICK-Dominant upper and lower trapezius muscles (p < 0.05). The SICK-Dominant serratus anterior showed lower activation than Normal-Dominant at pre-test (p = 0.034), with differences persisting post-test compared to Normal-Non-Dominant (p = 0.031) |
| Sant et al., (2018) [29] United Kingdom |
RCT | N=25 Sex=25 males Age=23.2 ± 3.6 years SD type= Unilateral |
D=NA weeks F=NA per week I=NA T=NA minutes T=Prehabilitation |
Usual routine | Functional throwing performance index, power, upper extremity stability | Pain was reported in 3 athletes in the control group versus 1 in the study group (p = 0.59). Athletes receiving prehabilitation showed significantly greater improvements in external rotation (p = 0.01) and internal rotation (p = 0.03) compared to controls. No significant differences were found between groups in functional tests, scores, or abduction strength. |
| Ilyoung et al., (2018) [32] Republic of Korea |
RCT | N=24 Sex=24 males Age=25.7 ± 1.4 years SD type= Inferomedial winging and medial border winging |
D=6 weeks F=3 per week I=70%-90% stretch T=NA minutes T=EG1: PSSE group; EG2: SSE |
NA | Isokinetic peak moment/body weight, ROM, Pain | Significant time × group interactions were found for concentric and eccentric external rotation peak moment/body weight (p = 0.039, p = 0.008), ERe to IRc ratio (p = 0.025), and rotation ROM (IRROM p < 0.001, ERROM p = 0.001). The PSSE group showed improvements at 6 weeks in ERc, ERe, ERe/IRc ratio, IRROM (↑15°), ER ROM (↓12°), and GIRD (↓17°); the SSE group did not show significant changes in strength or ROM. Pain decreased over time in both groups (p < 0.001) with no group interaction (p = 0.56). |
| Nowotny et al., (2018) [30] Germany |
RCT | N=28 Sex=16 males and 12 females Age=33 ± (NA) years SD type=type I |
D=6 weeks F= 2per week I=NA T=60 minutes T= specific exercise |
Massage Therapy | ROM, Pain, disability, Scapular kinematics, shoulder function |
Both exercise and massage reduced pain (VAS: exercise p = 0.007; control p = 0.004), but only the exercise group showed significant improvement in shoulder function (QuickDASH p = 0.001; SICK Scapula p = 0.003; Hand Press-up p = 0.026). |
| Moura et al., (2016) [33] Brazil |
Non-RCT | N=4 Sex=2 males and 2 females Age=24.7 ± (NA) years type=NA |
D=1 session F=NA I=NA T=120 minutes T=Specific training |
NA | ROM, pain, sports performance, muscle activation, strength, function | Participants showed reduced pain, improved function and performance, increased shoulder strength, greater ROM, and enhanced serratus anterior activation. |
| Merolla et al., (2010) [15] Italy |
Non-RCT | N=29 Sex=18 males and 11 females Age=23 ± 4.2 years SD type=NA |
D=24 weeks F=NA I=NA T=NA T=Rehabilitation program for restoring scapular muscular control and balance |
NA | Strength, pain, ROM | Muscle strength of the supraspinatus and infraspinatus, measured by EC and IST tests, significantly increased at 3- and 6-months post-rehabilitation (p < 0.01). Additionally, glenohumeral internal rotation ROM improved at both time points. Patient pain intensity decreased significantly from 7.5 ± 2.3 at baseline to 3.4 ± 1.8 at 3 months and 2.9 ± 2.1 at 6 months (p < 0.01). |
| Study details | Study design | Sample description |
Exercise characteristics of EG |
CG intervention | Sports performance measures | Main outcomes |
| Merolla et al., (2010) [16] Italy |
Non-RCT | N=29 Sex=16 males and 13 females Age=23 ± 4.5 years SD type=NA |
D=24 weeks F=NA I=NA T=NA T=Rehabilitation program for restoring scapular muscular control and balance |
NA | ROM, strength | Isometric strength of the infraspinatus muscle, assessed using the infraspinatus strength test, significantly increased after 6 months—3.3 ± 1.54 kg for examiner 1 (p = 0.0069) and 3.9 ± 1.6 kg for examiner 2 (p = 0.0058). The mean difference between infraspinatus strength test and the infraspinatus scapular retraction test results at 6 months was not statistically significant (p = 0.061). Glenohumeral internal rotation also showed significant improvement, increasing from 54.5 ± 9.8 to 67.3 ± 10.1 degrees for examiner 1 (p = 0.0096) and from 53.9 ± 10.2 to 68.1 ± 11.4 degrees for examiner 2 (p = 0.0089) |
| Merolla et al., (2010) [17] Italy |
Non-RCT | N=31 Sex=22 males and 9 females Age=22 ± 2.5 years SD type=NA |
D=24 weeks F=NA I=NA T=NA T=Rehabilitation program for restoring scapular muscular control and balance |
NA | Pain, strength | The mean force values of the infraspinatus strength test increased significantly after 3 months (p < 0.01) and 6 months (p < 0.001) of rehabilitation. The mean difference between infraspinatus strength test and the infraspinatus scapular retraction test decreased from 4.72 ± 0.007 at baseline to 1.2 ± 0.26 at 3 months and 0.4 ± 0.006 at 6 months. Mean pain scores were 2.4 ± 1.8 at 3 months and 2.6 ± 1.4 at 6 months. |
| Parameters | Number of studies | Significant negative effect | Significant positive effect | No significant effect |
|---|---|---|---|---|
| Upper limb function and performance | 4/14 studies | NA | [12,14,29–31] | NA |
| Range of motion | 6/14 studies | NA | [5,15,16,32,33,35] | NA |
| Muscle activity and strength | 8/14 studies | NA | [12,15–17,32–34] | NA |
| Scapular kinematics | 4/14 studies | NA | [5,13,30,35] | NA |
| Pain and disability | 8/14 studies | [5,12,14,30,32,33] | [29] |
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