ArticlePloS one2022
Altered corticospinal excitability of scapular muscles in individuals with shoulder impingement syndrome.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- A comparison of two mobilization approaches on the acromiohumeral distance in overhead athletes with primary subacromial impingement syndrome: a randomized clinical study.The Journal of manual & manipulative therapy · 2026Trial
- Innovative neuroplastic healing: tendon Neuroplastic Training role in pain alleviation and boosting strength in lateral epicondylitis: a randomized controlled trial.BMC musculoskeletal disorders · 2025Trial
- Scapula-Focused Exercises With or Without Biofeedback and Corticospinal Excitability in Recreational Overhead Athletes With Shoulder Impingement.Journal of athletic training · 2024Trial
- Abnormal Brain Structure and Function in People with Shoulder Pain: A Systematic Review of Neuroimaging Studies.Journal of pain research · 2026Review
- Investigating the Effectiveness of TECAR Therapy Versus Conventional Physiotherapy in Alleviating Symptoms of Shoulder Impingement Syndrome: A Randomized Clinical Trial.Medical journal of the Islamic Republic of Iran · 2025Article
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The purpose of this study is to assess and compare corticospinal excitability in the upper and lower trapezius and serratus anterior muscles in participants with and without shoulder impingement syndrome (SIS). Fourteen participants with SIS, and 14 without SIS were recruited through convenient sampling in this study. Transcranial magnetic stimulation assessment of the scapular muscles was performed while the participants were holding their arm at 90 degrees scaption. The motor-evoked potential (MEP), active motor threshold (AMT), latency of MEP, cortical silent period (CSP), activated area and center of gravity (COG) of cortical mapping were compared between groups using the Mann-Whitney U tests. The SIS group demonstrated following significances, higher AMTs of the lower trapezius (SIS: 0.60 ± 0.06; Comparison: 0.54 ± 0.07, p = 0.028) and the serratus anterior (SIS: 0.59 ± 0.04; Comparison: 0.54 ± 0.06, p = 0.022), longer CSP of the lower trapezius (SIS: 62.23 ± 22.87 ms; Comparison: 45.22 ± 14.64 ms, p = 0.019), and posteriorly shifted COG in the upper trapezius (SIS: 1.88 ± 1.06; Comparison: 2.76 ± 1.55, p = 0.048) and the serratus anterior (SIS: 2.13 ± 1.02; Comparison: 3.12 ± 1.88, p = 0.043), than the control group. In conclusion, participants with SIS demonstrated different organization of the corticospinal system, including decreased excitability, increased inhibition, and shift in motor representation of the scapular muscles.
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