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Disorders of the Skeletal Muscle01:28

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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
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Nine muscles are involved in arm movements. Two of these, the pectoralis major and latissimus dorsi, originate from the axial skeleton and are called axial muscles. The other seven originate from the scapula and are called the scapular muscles.
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Related Experiment Video

Updated: Apr 29, 2026

Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact
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Source-Dependent Quality Variation in Shoulder Dislocation Videos on YouTube.

Mehmet Kaymakoglu1, Taha Aksoy2, Ulas Can Kolac2

  • 1Department of Orthopedics and Traumatology, Faculty of Medicine, Izmir University of Economics, Izmir, Turkey.

Arthroscopy, Sports Medicine, and Rehabilitation
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Summary

Most YouTube videos about shoulder dislocation lack sufficient quality for patient education. Content quality is significantly influenced by the source, highlighting the need for healthcare providers to guide patients to reliable information.

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Area of Science:

  • Orthopedics and Sports Medicine
  • Medical Education Technology
  • Digital Health Information Quality

Background:

  • YouTube is a popular platform for health information, but video quality varies widely.
  • Patient education on medical conditions like shoulder dislocation is increasingly accessed online.
  • Assessing the reliability of online health content is crucial for patient safety and effective care.

Purpose of the Study:

  • To evaluate the quality of YouTube videos providing patient education on shoulder dislocation.
  • To compare the quality of educational content across different video sources.

Main Methods:

  • A systematic YouTube search was conducted using relevant keywords.
  • Videos were assessed using validated tools: DISCERN, Journal of the American Medical Association (JAMA) Benchmark Criteria, and Global Quality Score (GQS).
  • Statistical analyses, including Kruskal-Wallis and Dunn's post-hoc tests, were used to compare scores.

Main Results:

  • 162 eligible videos were analyzed, with a mean duration of 11.38 minutes.
  • A significant portion of videos (61.5%) were rated as insufficient or very insufficient quality by DISCERN.
  • Videos from academic and professional sources demonstrated significantly higher quality scores across all metrics compared to other sources.

Conclusions:

  • The majority of YouTube videos on shoulder dislocation do not meet adequate quality standards for patient education.
  • The source of the video content is a critical determinant of its educational quality.
  • Healthcare providers should guide patients toward trustworthy online resources for shoulder dislocation information.