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Related Concept Videos

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 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,...
Bones of the Upper Limb: Ulna01:15

Bones of the Upper Limb: Ulna

The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side of the...
Development of the Limb Synovial Joints01:07

Development of the Limb Synovial Joints

Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...
Pleiotropy01:33

Pleiotropy

Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
Handwashing III: During the Procedure and Post-Procedure Steps01:15

Handwashing III: During the Procedure and Post-Procedure Steps

To wash hands properly, follow these steps:

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Related Experiment Video

Updated: May 21, 2026

Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome
05:18

Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

Published on: May 26, 2023

Sushi hand roll dressing for thumb polydactyly.

Chi-Hung Yen1, Pak-Cheong Ho, Leung-Kim Hung

  • 1Department of Orthopaedics and Traumatology, Kwong Wah Hospital, The Hong Kong Special Administrative Region, Kowloon, Hong Kong. chihungyenyen@yahoo.com.hk

Journal of Orthopaedic Surgery and Research
|June 14, 2012
PubMed
Summary
This summary is machine-generated.

A new dressing method for thumb polydactyly surgery offers a secure and comfortable post-operative solution. This easily fabricated technique uses readily available materials, addressing a gap in pediatric wound care.

Related Experiment Videos

Last Updated: May 21, 2026

Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome
05:18

Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

Published on: May 26, 2023

Area of Science:

  • Orthopaedic Surgery
  • Pediatric Wound Care

Background:

  • Thumb polydactyly surgery is common in the Asia Pacific.
  • Existing pediatric wound dressings lack optimal security and comfort for this procedure.

Purpose of the Study:

  • To develop an improved post-operative wound dressing for thumb polydactyly.
  • To create a dressing that is both secure and comfortable for pediatric patients.

Main Methods:

  • Devised a novel dressing method.
  • Utilized readily available materials from the operation theatre.
  • Focused on ease of fabrication.

Main Results:

  • A new, easily fabricated dressing method has been developed.
  • The devised method addresses the need for a secure and comfortable post-operative dressing for thumb polydactyly.

Conclusions:

  • The new dressing method provides a practical solution for post-operative thumb polydactyly care.
  • This innovation enhances patient comfort and wound management in pediatric orthopaedics.