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Related Concept Videos

Flail Chest-I01:24

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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.
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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
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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.
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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
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Muscles of the Thorax01:25

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The thorax muscles are central to the body's respiration and provide essential support and movement for the upper body. They are intricately designed to facilitate the complex breathing process while also contributing to the structural integrity and mobility of the chest and upper limbs.
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The thoracic or rib cage forms the body's thorax (chest) portion. Its primary function in the body is to protect vital organs in the thoracic cavity, such as the heart and the lungs. It consists of 12 pairs of ribs with their costal cartilages and the sternum. The ribs are anchored posteriorly to the 12 thoracic vertebrae (T1-T12).
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Related Experiment Video

Updated: Sep 20, 2025

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears
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Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears

Published on: May 9, 2025

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Pectoralis major ruptures.

J Chomič, V Vaněček, T Strnad

    Rozhledy V Chirurgii : Mesicnik Ceskoslovenske Chirurgicke Spolecnosti
    |June 6, 2022
    PubMed
    Summary
    This summary is machine-generated.

    Pectoralis major muscle injuries, often missed, require prompt MRI diagnosis and surgical repair, especially in young athletes. Early surgical intervention within 6 weeks yields better outcomes for complete ruptures.

    Keywords:
    Bak criteriaCordasco classificationcortical buttonpectoralis major muscletendon injuries

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    Area of Science:

    • Orthopedic Surgery
    • Sports Medicine
    • Musculoskeletal Imaging

    Background:

    • Pectoralis major (PM) muscle injuries are rare but frequently misdiagnosed or inadequately treated.
    • Commonly associated with strength sports like bench pressing, presenting with distinct clinical signs.

    Purpose of the Study:

    • To review the diagnosis and management of pectoralis major muscle injuries.
    • To emphasize optimal imaging and surgical timing for improved patient outcomes.

    Main Methods:

    • Review of literature on pectoralis major injuries.
    • Discussion of diagnostic imaging, focusing on MRI protocols.
    • Analysis of surgical indications, techniques, and outcomes based on injury classification.

    Main Results:

    • MRI is the preferred imaging modality for pectoralis major injuries.
    • Complete PM tendon ruptures in active individuals necessitate prompt surgical repair (within 6 weeks).
    • Surgical techniques include reinsertion via implants or sutures; chronic cases may require tendon grafts.

    Conclusions:

    • Timely diagnosis and surgical treatment of pectoralis major ruptures significantly improve functional recovery.
    • Delayed treatment, particularly for chronic ruptures, leads to less favorable results compared to early intervention.