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Related Concept Videos

Muscles that Move the Arm01:31

Muscles that Move the Arm

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.
The pectoralis major has two origins. Its clavicular head originates on the medial half of the clavicle. In contrast, the sternocostal head originates on the costal cartilages of ribs 1-6, the sternum, and the aponeurosis of the external oblique of the...
Flail Chest-II01:26

Flail Chest-II

Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
Muscles of the Shoulder01:23

Muscles of the Shoulder

The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other muscles to move the humerus effectively. Scapular movements often mirror those of the humerus and extend its range of motion. For instance, raising the arm above the head would not be feasible without simultaneous upward rotation of the scapula.
Anterior Thoracic Muscles
The anterior thoracic muscles include the serratus anterior, subclavius, and...
Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...

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Related Experiment Video

Updated: Jun 22, 2026

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears
04:27

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears

Published on: May 9, 2025

Subscapular abscess after blunt trauma.

Arzu Babayiğit1, Balahan Makay, Fatih Demircioğlu

  • 1Department of Pediatrics, Dokuz Eylul University Hospital, Izmir, Turkey.

Pediatric Emergency Care
|June 17, 2009
PubMed
Summary

Subscapular abscesses, infections in the shoulder blade area, are rare, especially after blunt trauma. This case highlights a unique presentation in a pediatric patient, emphasizing the need for vigilance in diagnosing such conditions.

Related Experiment Videos

Last Updated: Jun 22, 2026

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears
04:27

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears

Published on: May 9, 2025

Area of Science:

  • Orthopedic Surgery
  • Infectious Diseases
  • Pediatric Medicine

Background:

  • Shoulder girdle infections are uncommon and diagnostically challenging.
  • Subscapular muscle and chest wall infections are exceptionally rare, with limited prior case reports.

Observation:

  • A 7-year-old boy presented with symptoms suggestive of a subscapular abscess.
  • The patient had a history of blunt trauma preceding the onset of symptoms.

Findings:

  • The case details the diagnosis and management of an extremely rare subscapular abscess.
  • This presentation occurred subsequent to blunt force trauma, a less commonly reported etiology.

Implications:

  • This case underscores the importance of a high index of suspicion for rare infections in the shoulder girdle.
  • Early medical evaluation is crucial for timely diagnosis and effective treatment of subscapular abscesses.
  • Understanding the potential link between blunt trauma and subscapular abscess formation may aid future diagnostic approaches.