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Related Concept Videos

Muscles that Move the Forearm01:16

Muscles that Move the Forearm

The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators. The flexors and extensors act on the elbow joint, while the pronators and supinators act on the radioulnar joints.
Forearm Flexors
The biceps brachii, brachialis, and brachioradialis are forearm flexors. The biceps brachii is made up of two heads. Its long head originates at the supraglenoid tubercle of the scapula, whereas that of the short head is...
Bones of the Upper Limb: Humerus01:19

Bones of the Upper Limb: Humerus

The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
Muscles of the Forearm that Move the Hand and Fingers01:16

Muscles of the Forearm that Move the Hand and Fingers

The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...
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...
Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a short...
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...

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Related Experiment Video

Updated: Jun 17, 2026

Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel
08:27

Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel

Published on: May 23, 2025

Distal triceps rupture.

Peter C Yeh1, Seth D Dodds, L Ryan Smart

  • 1Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|January 2, 2010
PubMed
Summary
This summary is machine-generated.

Distal triceps rupture is an uncommon injury often linked to weight lifting and anabolic steroid use. Surgical repair offers good to excellent outcomes for complete tears in active individuals.

Related Experiment Videos

Last Updated: Jun 17, 2026

Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel
08:27

Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel

Published on: May 23, 2025

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Musculoskeletal Injuries

Background:

  • Distal triceps rupture is an uncommon injury.
  • Associated risk factors include anabolic steroid use, weight lifting, local steroid injections, and hyperparathyroidism.
  • Diagnosis can be challenging due to potential absence of palpable defects and limitations from pain and swelling.

Purpose of the Study:

  • To review the diagnosis, classification, and management of distal triceps ruptures.
  • To discuss treatment indications for both incomplete and complete tears.
  • To report outcomes associated with surgical repair.

Main Methods:

  • Review of literature on distal triceps ruptures.
  • Discussion of diagnostic modalities including plain radiographs and MRI.
  • Analysis of treatment strategies based on tear completeness and patient activity level.

Main Results:

  • MRI is crucial for diagnosis confirmation, injury classification, and guiding management.
  • Nonsurgical management is appropriate for incomplete tears without loss of strength.
  • Surgical repair is indicated for complete tears and incomplete tears with loss of strength, yielding good to excellent results.

Conclusions:

  • Early and accurate diagnosis, often aided by MRI, is essential for appropriate management of distal triceps ruptures.
  • Surgical intervention provides favorable outcomes for complete tears and selected incomplete tears in active individuals.
  • Even chronic distal triceps tears can achieve very good results with surgical repair.